Ferocious performance and photography improve iPhone 6s detailed evaluation
Ferocious performance and photography improve iPhone 6s detailed evaluation

In addition to the new rose gold, the biggest change of the new iPhone is the improvement of performance and photography, as well as the new 3D Touch function. But are the new features meaningful? Is the configuration upgrade obvious and worth upgrading? Cut down on nonsense and open the test directly.

If you just want to see whether it is worth upgrading and purchasing, you can directly skip to the summary → _ →


parameter

Note: At present, Tuhao Gold and Brain Powder are special colors for iPhone 6s/6s Plus, and other models are only available in silver and gray.


Appearance and feel

Everyone knows the appearance of the iPhone 6, so here are only the notable points. The detailed appearance, color and body size contrast are all in the appendix at the end of the article.

On the package of the iPhone 6s, different designs are printed for machines of different colors. An s is added on the side, and the back is still very detailed product information.

 

The accessory is also EarPod headset, data cable, and 5V/1A charger. Strangely, this time Bank of China has no data cable adapter.


IPhone 6 on the left and iPhone 6s on the right


The top left and bottom right are iPhone 6s, and the other two are iPhone 6

The new machine is really "iPhone 6". The difference is that the outer ring of the 6s and 6s Plus cameras is thinner, and then there is no more... The legendary increase of 0.2mm in thickness is hard to find both visually and tactically, but the good news is that they 99% The film and mobile phone case can be used universally.

Round corners+2.5D glass, still feels really cool. While the weight of the previous generation increased from 129g to 143g, which is 14g more than that of the previous generation. If not for iPhone 6 users, they would not find any sense of disobedience. However, it is estimated that most people will prefer the thinner iPhone 6 rather than the sister paper. The new iPhone is slightly overweight (the weight of the 4.7 inch phone is really overweight).

 

The new sandblasting becomes thicker, not as slippery as the old iPhone, not so like soap, and more secure to hold.

 

Pink in the light


Pink in the dark

In terms of color, pink may be more pink than you think. However, this is the most obvious feature of the new iPhone. Anyway, there is a magic effect of costume. I'm afraid you won't mind the question of motherhood. In addition, pink in the office and other cool fluorescent lamps, as well as dark places will "pink more obvious"; In bright places and warm colored lights (street lights and other yellow lights), the powder will be less obvious.

 

What Guo Hei has always looked down upon: the proportion of ultra-low screen, protruding camera, large leucorrhea still exist, and the leucorrhea of brain damage powder seems to be more obvious


Screen performance: basically consistent


Extreme brightness, iPhone 6s on the left and iPhone 6 on the right

The screen parameters of the two generations of iPhones are the same. Both are 1334 * 750 4.7 inch IPS screens. The maximum brightness of the center of the machine is about 500 nits, which can ensure the visibility of the screen in strong sunlight. The brightness difference of the 12 nits is an individual difference (the other tester in the master video is 492 nits).


In the instrument test, the iPhone 6s screen reached 98% of the sRGB color gamut and 74% of the Adobe RGB color gamut. The static contrast under the highest brightness is 1000:1; At 0-100% brightness, the color temperature fluctuates between 7400-7800, which is commonly known as the cold screen.

The test result of Delta E (color deviation) is 1.09 (the smaller it is, the more accurate the color restoration is). Except for the large color deviation of black and cyan (2.84 and 6.85 respectively), the deviation of other colors is basically maintained at 1.0. It still maintains the high color accuracy performance that the iPhone has always had. For comparison, it is 1.0 for iPhone 6 and 1.6 for Galaxy S6 basic mode.


Real shot comparison

The highest brightness displays pure black and white, iPhone 6s on the left and iPhone 6 on the right. The two testers we got have slight uneven brightness and very close color temperature; Under the pure black, the new iPhone on the left has improved the problem that the original black of iPhone 6 turns red.


Red, green and blue, iPhone 6s on the left and iPhone 6 on the right. The color performance of the two machines is very similar, and the three primary colors display almost the same.


Scene photo: iPhone 6s on the left and iPhone 6 on the right. Because of the higher brightness of iPhone 6, the color of the live shot sample will look lighter, but in fact, the screen performance of iPhone 6 is slightly more beautiful.


There is a slight color temperature difference between old and new iPhones, which will be more obvious in the large light color scene above. The iPhone 6s on the left will appear blue and green, while the iPhone 6 on the right will appear slightly red. Although the range of both is not large, the author and other editors prefer the slightly red and warm color temperature of the screen on the old iPhone (we also got the iPhone 6s with a slightly warm color temperature, and this tendency of cold and warm color temperature may be just an individual product difference).


Visual angle comparison: iPhone 6s on the left and iPhone 6 on the right. Relatively speaking, the old iPhone 6 is still better, but the performance of both iPhones is very good. The brightness attenuation is less at a large angle, and the large angle viewing will not cause significant impact.


Diagonal visual angle comparison: iPhone 6s on the left and iPhone 6 on the right. The performance of the two machines on the death diagonal is quite excellent, and the brightness attenuation and color deviation are relatively slight.

However, in general, the screens of the two generations of iPhones, except for the resolution, which was abandoned by the Android flagship earlier, have been quite perfect. Their color saturation, visual angle, large angle, and diagonal performance are quite excellent. Although the screen performance of the iPhone 6s we got is weaker than that of the iPhone 6 in all aspects, the range is very small. This may be affected by the new pressure touch layer, but it may also be just individual differences.


system

Because the activation of a new iPhone requires fingerprint entry, the first improvement of the new iPhone is the improvement of fingerprint recognition. The second generation Touch ID can complete fingerprint entry only by pressing it for about 10 times, and the recognition speed will directly explode the old iPhone. Press the Home key from the black screen to enter the system. It is about 0.3s-0.5s faster than the old version. Even if you don't compare them together, you can find that the speed gap is obvious. This speed is close to the back fingerprint identification scheme of the Android camp (well, yes, Samsung's family lost...).


The left is the search bar of iOS 8.4.1, and the right is the search bar of iOS 9


Low power mode and power statistics

In terms of system, iPhone 6s The factory is equipped with iOS9. Although the appearance of the latter has not changed much, many new features have been added, such as the global search page on the left side of the desktop has returned, the lock screen password has become a six digit number (forcing people to use Touch-ID?), detailed battery statistics, support for message notification grouping, long press and slide multiple photos, and the new jump button on the left side of the notification bar after the application task jump.

There is little difference between the functions of the previous beta version and that of the iPhone 6s/6s Plus, so here we will focus on the 3D Touch unique to the iPhone 6s/6s Plus, and the rest will not be repeated. More details of the system can be used to stamp our previous IOS9 official version evaluation

 

3D-Touch

Although it sounds tall, in simple terms, 3D Touch only adds the recognition ability of "two levels of re pressing" to the screen in addition to the original clicking and long pressing.

The first level can be re pressed to pop up the shortcut function floating window, and the second level can be re pressed to jump to the corresponding application. If we take the analogy of a mouse, saying that clicking the screen is the left mouse button, and long pressing is the right mouse button, we can recognize the pressure difference 3D-Touch, which means adding a side shortcut button to the mouse.

Quick floating window of microblog, WeChat and camera


In the SMS list, press the preview button again to bring up the quick reply

On the system, its purpose is to improve the operation speed and avoid many clicks. For example, by re pressing the left side of the screen in any interface, you can call up the task list, and by re pressing the camera, WeChat, Weibo and other applications on the desktop, a floating window with quick functions will pop up; In email, SMS, browser and other applications, re pressing the content can pop up a preview floating window. Sliding up in some floating windows can call up other shortcut buttons, while re pressing the second level can directly jump to the target application.


Multi task menu on the left

In terms of operation experience, the machine has a small fixed trigger pressure value, while the second level trigger is more powerful. Its fault tolerance rate is high, and it is not easy to touch by mistake, but there is a certain learning cost.

The trick is to "press safely and use force quickly". Anyway, 7000 series aluminum alloy has been upgraded, and there is also high-strength glass protection. The new iPhone will not be easily punctured and bent by ordinary people's fingers. Fast force is because the trigger value of the machine is fixed. If the force is applied slowly, it will trigger slowly

Of course, even if you don't use the 3D Touch, the iPhone is still used as before. Long press on the icon on the desktop can still delete applications, and the function of re pressing will not be triggered easily.

 

Industry discussion and complaints

In general, the author has reservations about this 3D Touch. But according to the old saying that "Apple is always right", this function should be popularized in most smart machines in 18-24 months. But compared with the Siri voice assistant introduced in 4s, the fingerprint recognition introduced in 5s, and the 3D Touch introduced in 6s may be in a similar situation to Siri - both must have, but in fact, everyone doesn't use it very much

In fact, 3D Touch is contrary to Apple's "easy to use" design method. This is a function similar to the mouse shortcut, but do you still remember Jobs' efforts to simplify the buttons on the mouse? This new "shortcut key" will cause many doubts. How do we know which applications and pages support re pressing? In addition, there are two kinds of force differences in TM's re pressing... This doubt is also an important reason why Android later cancelled the independent setting key

In addition, the operation of 3D-Touch is like a physical button. Usually, all operations are light touch, but 3D-Touch requires you to press hard, and the force is similar to that of the physical button. This experience is more laborious than pressing the physical Home key.

 

Desktop widgets on Android platform

In addition, is the pop-up window of the 3D Touch desktop icon very similar to the Android desktop plug-in? Click the number or email address in the SMS, and Android will also have a small pop-up window for you to dial or jump? Compared with the original scheme of Android platform, this 3D-Touch is not much easier and faster to operate.


Violent performance, unique

A9 chip

Both iPhone 6s and 6s Plus are equipped with the latest A9 chip, which is based on the 14/16nm FinFET process. According to the "disassembly" of chipwork, its CPU is composed of two 1.84GHz cores, and the GPU is six cores. The official claim is that the CPU computing performance has improved by 70%, and the GPU graphics performance has improved by 90%.

It should be noted in advance here that the iPhone 6s Plus has a larger load due to its higher screen resolution, and its GPU graphics performance will be slightly weaker than the iPhone 6s. The smaller iPhone still represents the strongest performance of the iPhone.


After the run score test, although the range did not reach the declared value, the Geekbench run score, whether single core or multi-core, was nearly 50% higher than that of the previous generation; Although in Test GPU performance GFXBench and 3D Mark In the test, some scenarios also have a growth of nearly 100%, which has caught up with the A8X on the iPad Air2 (the GPU is an 8-core version of PowerVR GXA6850).

People mistakenly thought that the iPhone that did not stack materials had once again built the strongest mobile processor, and the CPU performance easily beat the Note5, the strongest Android processor. The latter, with the advantage of having 6 more cores than others, can save a little face on multi-core achievements. The gap between GPUs is relatively small, but it has also left a lot behind. It seems that the Android platform can only wait for Samsung's mongoose and Snapdragon 820 to win respect.


IPhone 6s Getting Started Video , speed comparison between two generations of iPhones from 5:10

The adverse performance of A9 chip, reflected in daily operation and third-party applications, is indeed slightly faster than that of the previous generation , and the gap in such operations as cutting/rotating pictures will be more obvious However, after all, the performance of the two generations of iPhones is very strong, and the gap in daily operation is only obvious when compared directly.

The biggest performance gap between the new and old iPhones is reflected in the 2G memory. This time, you can safely open more applications and web pages without reloading. Heavy users who often open more web pages and applications should be more relaxed when using them. In addition, for users who have requirements for fluency, it is recommended to stop at iOS8. After upgrading iOS9 for iPhone 6, there will be some regression in fluency.

For Android users, the gap between the two platforms has returned to the situation of "single core being hanged, multi core anti hanging". In addition to the optimization of Android third-party applications, the iPhone 6s has again widened the gap between the use experience of the current Android flagship and that of the iPhone 6s. Before Android 6.0 came out, we had to look for iPhone to save worry and speed in daily use.


Camera: improved, but not as expected

Both iPhone 6s and iPhone 6s Plus have been upgraded to 12 megapixel CMOS, both of which have an aperture of f2.2. The latter has optical anti shake. Because the sensor size remains the same, the unit pixel size is reduced from 1.5 μ m of the original iPhone 6 to 1.22 μ m, which will have a negative impact on the low light imaging picture tolerance (the amount of light and dark details that the picture can accommodate at the same time).

Apple's solution is to add partitions between sensor sub pixels to reduce the signal crosstalk between pixels to improve the signal-to-noise ratio, thus filling the disadvantage caused by smaller pixel size. In order to compare whether it has improved, we brought the previous generation iPhone 6/6 Plus and the current best Android camera Note5 as a comparison.

Photo experience

They have popularized the advanced automatic mode, which can automatically judge whether to open HDR and night view mode according to the environment. You can just click the shutter to use it.

  • Focusing speed: iPhone 6s is the fastest, followed by iPhone 6/6 Plus, and finally Note5, but the gap is very small, which is difficult to detect without comparison;

  • Focusing success rate/film formation rate: Note5 has the highest success rate; In iPhone, the 6Plus with optical anti shake performs better; Unexpectedly, the chance of iPhone 6s handshaking paste is greater than that of iPhone 6. Fortunately, the gap is not too big. Maybe the new camera has not been debugged yet? (For apples, fruit black has its own floor washing mode).

  • Imaging speed: Note5 is still the fastest, followed by 6s, and 6 and 6 Plus package tails. If the environment triggers the automatic HDR mode, the speed gap will be more obvious.


White Balance and Photometry in Daylight


White balance and metering of light scene 1


White balance and metering of light scene 2


White balance and light metering of weak light scene

  • Light metering: the light metering of the three iPhones is relatively close, except that they are darker in weak light, the rest of the environment is very close to the naked eye; In the case of Note5, the brightness of the picture will be higher than that seen by the naked eye under weak light;

  • White balance: The strongest mobile phones on the earth are already difficult to open the gap in daytime; Under weak light and light, iPhone tends to be slightly yellow and warm, while Note5 is slightly cold. But their ranges are not large, and their performances are very stable.


Discriminative power

Wide angle vs. picture size

The wide angle of Note5 is larger than that of the other three iPhones (a section of display board is added to the right display board). The pictures are enlarged to 200%. The flower beds of Note5 and iPhone 6s, which have pixel advantages, are much larger than those of the previous generation iPhone, and they will have certain advantages in discrimination (the same scenery has more pixels).

Browse Tips: You can click the magnifying glass in the upper right corner of the sample to view the large picture, or use "ctrl+mouse wheel" to enlarge the page to the appropriate size (about 170%), and "ctrl+0" can restore the original scale.


Daytime Vision

Scene 1, the middle of the picture is enlarged (the iron pole on the back of the central signboard)


Scene 1: Enlarge the upper right corner in the middle of the picture (the right longitudinal railing)


Scene 2: Enlarge in the middle of the picture (font in the middle)


Scene 3, super distant view, zoomed in at the center of the picture

Outdoor in the daytime, the discrimination power of four mobile phones is basically proportional to the number of pixels. The details and discrimination power of the iPhone 6s are no less than that of the previous generation iPhone 6/6 Plus, but it is still a long way from the 16 million pixels+algorithm sharpened Note5.


Indoor lighting

This is the most commonly used photo scene (office, indoor) for many people, and this is also the biggest gap in mobile imaging.

Scene 4, the middle of the picture is enlarged (the gold plate on the back looks at the noise, and the potted plant on the right looks at the details)


Scene 5: Enlarge the picture in the middle


Scene 6: Enlarge the picture in the middle


Scene 7: Enlarge the picture in the middle


Scene 8: Enlarge the picture in the middle

Under normal light, Note5 and iPhone 6 Plus have optical anti shake, and iPhone 6s have new sensors with less low light crosstalk (pure white pixels are added to the normal sub-pixel, which can effectively improve the dark light performance). They can run under a very low ISO and are close to the highest picture quality of full blood.

The iPhone 6s successfully defeated the previous generation flagship iPhone 6 Plus, and opened a relatively obvious distance, but there is still some distance from the top level of Android.


Weak light

Scene 9: Enlarge the picture in the middle


Scene 10: Enlarge the picture in the middle


Scene 10, the right side of the middle of the picture is enlarged (pay attention to the fire box)


Scene 11, extremely weak light picture is magnified in the middle (font on brake disc)

In weak light and extremely weak light, although the iPhone 6s still perform better than the iPhone 6, the weak light performance is reversed by the iPhone 6 Plus with optical anti shake. In addition, the new sensor of iPhone 6s will generate regular "big fruit" noise (the fire cabinet in Scene 10) under weak light, which will have a certain impact on the appearance of the sample when it is magnified.


front camera

Dim light

In the dark indoor light, although the front pixel of the iPhone 6s has soared four times, the light is not strong enough. The front camera unit pixel of the iPhone 6s is too small to give full play to its strength, and even slightly inferior to the iPhone 6/6 Plus in details. In the worse light scene, it is estimated that the gap between the two generations of iPhones will be widened.


Normal light


Normal light, enlarged face

Note 5 (the beauty function is turned off) is added here for comparison, but it may be because the younger sister is far away when she holds Note 5. The wide angle of Note 5 is very exaggerated, but the face gets fewer pixels, and the details are not as good as those of the iPhone 6s and iPhone 6 Plus. In addition, the metering of Note 5 is obviously dark.

It is not known which side of the white balance will be more popular with younger women. But it is certain that the imaging of the iPhone 6s will be better than that of the iPhone 6 Plus when the light conditions become better.

Summarizing the performance of the front camera can only be said to be a failure. The number of pixels increased by 4 times, but the size of unit pixel decreased, resulting in a significant decline in image quality when the light was slightly poor, sometimes not as good as 1.2 million pixels of the old iPhone. Another problem is that the place where Sister Paper takes a selfie is generally dark. Despite the bonus of belief, Sister Paper may find that the weak light performance of the front camera of the iPhone 6s is a little worse than that of the old iPhone.

Of course, many people may say that Sister Paper doesn't want to be too clear, but this attitude is not correct. If you take a selfie in a nightclub, the result is noisy, and Meitu Xiuxiu can't help you; If you had taken the picture clearly, although your self-confidence would be a little hit at the beginning, at least there are still beautiful pictures that can help you beautify


Imaging analysis

In the actual sample, this new sensor can effectively improve the discrimination from sunlight to weak light, but the drawback is that the white noise of the new sensor in weak light will affect the detail perception to a certain extent.

Conclusion: The performance of the new iPhone 6s in terms of photo experience, photometry, white balance, color saturation and contrast is almost the same as that of the previous generation, and its improvement is mainly in discrimination. In more commonly used daylight and light scenes, the details are significantly improved, but the white noise of the new sensor in weak light will have a negative impact on the details.

Although the iPhone 6s also failed to defeat this generation of Android flagship with rapid progress, and was left behind at a large distance, it is also one of the best models without optical anti shake. However, the machines at this price are not equipped with optical anti shake, which is really not very kind of Apple.


Endurance and fever

The room temperature is 30 degrees. After half an hour of wild racing, the highest temperature of the fuselage appears near the front earpiece, which is 39.5 degrees; The highest temperature on the back is 37.9 degrees, which appears near the camera (the processor should be at this position). The fuselage is only at the level of warm hand, and its performance is quite excellent.


Note: The game test of iPhone 6s uses the wild drag racing 8 with lower load, while the previous endurance test uses NBA 2K15

In order to plug the pressure sensing layer and vibration module of the 3D Touch, the battery of the iPhone 6s has shrunk from 1810mah of the previous generation to 1715mAh, which will definitely affect the absolute standby. But thanks to the performance frenzy of A9 chip, even in large games, the load and heat of the processor are also very low. In the more commonly used Wifi Internet link, the performance even catches up with that of iPhone 6 Plus, even better than that of Android products with 3000mAh batteries.

 

summary

Review the three major improvements mentioned at the beginning:

  • Performance: This is the fastest mobile phone, none of which is far away from the competitors of the previous generation and Android platform. However, as long as iOS9 is not upgraded, the old iPhone 6 will not lose too much;

  • Photographing: the front camera is almost not upgraded unless it is in strong light; The rear camera has improved significantly compared with the previous generation. In addition to losing to the iPhone 6 Plus in weak light, the other cases are all Apple devices second only to the iPhone 6s Plus (although still losing to the Android flagship), and finally there are 4K videos!!!

  • 3D-Touch: The shortcut function, which is very interesting but has a certain learning cost, can improve efficiency, but it is not enough to be the reason for upgrading.

In addition, fingerprint recognition speed and endurance were also improved, which was downplayed by the press conference. This generation of 6s is indeed "different everywhere" as advertised, but is it worth upgrading?

  • For most ordinary users, my personal advice is no. After all, the upgrade range is not large enough to be displayed intuitively.

  • For geeks and users before iPhone 6, my personal advice is to buy. After all, the gap between generations is quite large. In addition to weak light imaging, 6s is almost perfect for 5s.

  • If you are an Android user and want to have a worry free and fast operating experience, you can buy the iPhone 6s, which is now the flagship of Android; But if you need more photos/looks/differences, you'd better go out and turn left to find Samsung, LG and Moto.


Finally, the price comparison of different versions of iPhone 6s is posted:


IPhone 6s Price List


IPhone 6s Plus Price List

The selling prices in the table have been converted into RMB, and the price of the US version is very close to that of the Hong Kong version and the Japanese version after tax collection. In addition, this time, the 6s and 6s Plus of the Bank of China version are only available in full Netcom. As long as the operator does not tamper with the software, it should be sold from all the domestic networks.


Appendix: Detailed appearance, color and fuselage size comparison

Adapter is no longer attached to the Bank of China version


Instructions, pins and stickers


forehead


chin


Top and bottom


Side


All metal pallet


Note5、edge+、iPhone 6 Plus、S6 edge、iPhone 6s


Note5、iPhone 6s、edge+


iPhone 6 Plus、iPhone 6s、S6 edge


Leucorrhea contrast

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