The newly released vivo X9 uses a 16 million pixel rear camera. Although the previous X7 has a good self portrait effect, the rear camera is lower than the average level of mainstream 2K mobile phones, which is disappointing. Although the X9 uses the current mainstream IMX298 sensor, it is not equipped with optical anti shake and a stronger ISP. This evaluation uses vivo X7 and vivo X9 for photo comparison.
daytime
Left: vivo X7 Right: vivo X9
Left: vivo X7 Right: vivo X9
Left: vivo X7 Right: vivo X9
Left: vivo X7 Right: vivo X9
Left: vivo X7 Right: vivo X9
Left: vivo X7 Right: vivo X9
Left: vivo X7 Right: vivo X9
Left: vivo X7 Right: vivo X9
Left: vivo X7 Right: vivo X9
In the daytime outdoor scene, there is no obvious difference between X9 and X7. The sample saturation of X7 will be higher, and their white balance performance is almost the same. Although X9 is an IMX298 with 16 million pixels, it is not much better than X7 in terms of analytical power alone. The advantage of X9 in analytical power can be seen when the samples are simultaneously magnified to about 175%.
indoor
Left: vivo X7 Right: vivo X9
Left: vivo X7 Right: vivo X9
In this group of indoor scenes, the exposure of X9 is higher than that of X7. From the details of the magnified model, there is still no significant difference between the two.
Left: vivo X7 Right: vivo X9
Left: vivo X7 Right: vivo X9
In the second group of indoor samples, X9 finally showed the detail advantage of IMX298. The focus of this group of proofs is on the smear algorithm and analytical power. Please pay attention to the text on the billboard in the distance. After zooming in, we can find that the X9 proofs have been compared with X7 in terms of star algorithm smear, which also ensures a high analytical power. This is not only the advantage of pixels, but also the addition of algorithm and IMX298.
Left: vivo X7 Right: vivo X9
Left: vivo X7 Right: vivo X9
Here's an explanation first. The three words "Lei Feng Net" in the sample sheet of X7 seem to be hand shaking and pasted, but in fact, in this group of samples, the author has taken no less than eight samples with X7. The words "Lei Feng Net" in each sample sheet are the same, so this is not the difference made by hand shaking.
In the third group of indoor samples, the advantage of X9 is still obvious. After the two samples are magnified, the analytical power of X9 is obviously stronger than that of X7. However, in this group of samples, the white balance of X9 is slightly cold, while the actual white balance should be slightly warm.
Left: vivo X7 Right: vivo X9
Left: vivo X7 Right: vivo X9
Left: vivo X7 Right: vivo X9
Left: vivo X7 Right: vivo X9
Among the samples in this group of garages, X9 has more obvious advantages, noise control and analytical power are far better than X7, and the gap between the two samples is obvious.
Left: vivo X7 Right: vivo X9
Left: vivo X7 Right: vivo X9
In the indoor samples, we can see that the advantages of X9 are beginning to expand, focusing on early control and analytical power.
at night
Left: vivo X7 Right: vivo X9
Left: vivo X7 Right: vivo X9
Left: vivo X7 Right: vivo X9
Left: vivo X7 Right: vivo X9
In this group of night samples, the X7 performs much better than the X9, and the X9 has poor noise control in the sky and the building.
Left: vivo X7 Right: vivo X9
Left: vivo X7 Right: vivo X9
Left: vivo X7 Right: vivo X9
Left: vivo X7 Right: vivo X9
Left: vivo X7 Right: vivo X9
At night, except for some scenes, The performance of the X9 is basically the same as that of the X7 in weak indoor light. It is far ahead of the X7 in terms of noise control and image purity, but unfortunately it is also not equipped with optical anti shake. Although no stronger camera phone is added in the photo evaluation as a comparison, our previous experience shows that such imaging effect still lags behind the first echelon of smartphone photography, But it is also a fact that it is better than X7.
summary
With the addition of IMX298 and larger aperture, the rear weak light photography of vivo X9 is much better than that of vivo X7. In addition, the X9 has a far better perspective and weak light focusing speed than X7 in the actual measurement process. Although the vivo X9 is a mobile phone that focuses on front dual camera, the effect of its rear camera is more satisfactory than that of the X7. Female users' enthusiasm for taking selfies is not the reason to reduce the ability of rear camera. Users often hope that smart phones can highlight one of their most important functions when all aspects are relatively balanced, The X9's post photo upgrade can be said to fill the functional gap of the X7.
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