Android phones have completely entered an era of "nuclear war", with various four cores emerging one after another, and some manufacturers even marked the concept of "4+1" core. In addition, with the addition of new technology, the CPU frequency of mobile phones has become higher and higher, and even 2GHz products have appeared. In this paper, we will test the CPU performance of several common quad core mobile phones, including the popular high-frequency A9 architecture and Krait architecture products.

testing environment

mobile phone:

Exynos4412 1.6GHz+2G Ram: Samsung Galaxy Note II, Meizu MX2, Lenovo K860i

APQ8064 1.5GHz+2G Ram: HTC Butterfly, Xiaomi 2, Google Nexus 4

Tegra3 1.5G+1G Ram: ZTE U985 (inserted TF card for test, U985 can't work normally without TF card)

Tegra3 1.7G+1G Ram：HTC One X+

K3V2 1.4G+1G Ram: Glory quad core

Test software:

Antu rabbit evaluation 3.0.3 Vellamo 2.0.2、GeekBench 2.3.4、Chrome Beta V25、NBA 2K13 1.1.2、BSPlayer

Test methods and related instructions

Theoretical score: Antu rabbit evaluation, Vellamo, GeekBench

In terms of theoretical score, it can only be said that it is only for reference and cannot be used as a benchmark to measure performance. Among them, the rabbit evaluation involves GPU, SD card, etc., so we will carry out an alternative rabbit test and only test CPU! Vellamo is the comprehensive performance score of web pages, which can basically objectively reflect the performance of mobile phones' web pages, including theoretical tests, web page sliding and note moving, zooming, 3D animation and other tests. GeekBench is a cross platform performance testing software that mainly tests CPU and memory performance.

Web page Javascript performance test: Sunspider, Google V8 Javascript

Web page Javascript performance test can objectively reflect the mobile phone's web page Javascript performance.

Practical application test: game loading speed, compression test, video software decoding

The game loading test tests the processing power of the CPU. Of course, it will be affected by the flash speed of the body, so it can only be used as a reference. The decompression test is greatly affected by flash memory, so folder compression is used as the test. Video software decoding is a direct test of the general performance of CPU, and it will take advantage of multithreading, so it is more referential.

Summary of theoretical scores

Anrabbit assesses CPU part

On the whole, APQ8064 and Exynos 4412 performed well in the test. APQ8064 had a high total score because of the advantages of CPU floating point operation. The performance of Exynos 4412 is very average, with strong performance in three aspects. The Nexus 4 uses APQ8064, but its score is low due to its serious frequency reduction problem.

Comparison of CPU performance of Anthare evaluation ▼

Comparison data of Antu rabbit ▼

Geekbench

In terms of the total score, the mobile phones using APQ8064 have a relatively high total score because of their great advantages in floating point operation and memory, and the performance of the three Exynos 4412 products has also continued to be excellent. In general, the scores of the major flagship brands in this test are not different, only One X+has a relatively low score.. In addition, this software has a certain degree of "suction", which is reflected in the fact that there will be a large gap in scores after several consecutive tests. Here are the highest values of multiple tests, for reference only.

Geekbench total score comparison ▼

Geekbench total score comparison data ▼

Geekbench segmentation comparison ▼

Geekbench breakdown comparison data ▼

Vellamo

This is a product launched by Qualcomm. However, its score is very "conscientious". Qualcomm chip has no overwhelming advantage. The score here is suggested to only look at the gray HTML5 web page performance test. The other Metal test is too simple and not very referential. On the whole, the performance of the high-end quad core is quite good, and the gap is not big. Of course, the best products are APQ8064 and Exynos4412.

Vellamo score comparison ▼

Vellamo comparison data ▼

Summary of web test scores

Sunspider

This is a web page javascript performance test, which measures CPU's single thread computing capability In fact, the Vellamo software already contains Sunspider tests. There is a big gap between Sunspider tests of different browsers. Here Unified use of the latest Chrome Beta (V25) for comparison This new browser has greatly improved its web page performance compared with the old version, and even has the same score as Baidu Browser+T5 core, which has always been called "divine oil". There is a big gap in performance here, among which several Exynos 4412 mobile phones are very eye-catching, all of which have reached the 900ms level, and the Note II is even close to the 800ms level. The performance of other processors does not differ much.

Sunspider score comparison ▼

Sunspider comparison data ▼

Google V8 javascript

This test is similar to Sunspider in nature, but the higher the score, the better. The Exynos 4412 still performs strongly, while the APQ8064 machine performs poorly.

Google V8 javascript score comparison ▼

Google V8 comparison data ▼

Summary of actual application results

Video software decoding

The video parameter used here is an mp4 file with 1080P fps=60 ref=16. This level of software decoding is very difficult. No mobile phone has been able to fully frame up to now. Software decoding will take advantage of CPU multithreading, so it is a comprehensive comparison of the general performance of quad core CPUs. BSPlayer is used in the test, and its frame number monitoring function is used for comparison. The relatively excellent mobile phones can only barely exceed 30fps. In the test, Exynos4412 still performs best, followed by APQ8064. Compared with its strong hardware decoding performance, Tegra3's software solution is a bit ugly. Some netizens even jokingly call Tegra3 the "strongest dual core"

Comparison of 1080P software decoding results ▼

Software decoding comparison data ▼

NDS simulator test

This is also a method to measure the CPU's single thread computing capability. During the test, a game called "Zelda's legendary siren" was used as the load object. After the title animation was loaded, the average frame number was observed using the software's built-in monitoring function. The Exynos 4412 is still the best performer. In addition, the Glory Quad is also commendable in this game.

NDS simulator frame number comparison ▼

NDS simulator comparison data ▼

Compressed folder test

Compressing folders is also a way to measure CPU performance. Some netizens may question the speed of the built-in SD card. In fact, the speed difference of the SD card has little impact on the compression test, but has a greater impact on the decompression. The software used is ZArchiver, and the compressed folder is an Android flash package with a capacity of 213M.

Test video 1（ Xiaomi 2, One X+, U985, K860i) ▼

Test video 2 (MX2, Butterfly, Glory Quad, Nexus 4, Note2) ▼

Result statistics ▼

Game loading test

The game loading test is also a way to measure the CPU performance. However, the difference in the flash memory will have a certain impact on the test results. We regard it as a comparison of the comprehensive performance of four core mobile phones, not a complete reflection of the general performance of the CPU. Among them, Nexus 4 missed this test due to compatibility problems.

Test video (K860i, OneX+, U985, Xiaomi 2, MX2, Butterfly, Glory Quad, Note2) ▼

Test summary

From this test, although the high frequency quad core processors are all tested, the performance gap between them is still obvious. Of course, what we test here is an extreme AB comparison. Usually users can use these quad core processors completely. Among them, Samsung's Exynos 4412 1.6GHz is the most eye-catching. With its excellent efficiency and high frequency, it is not the first in the run test, but in the actual application of this test, it is stronger than others. Although the test results of APQ8064 in practical application are quite different from the strong score, it is a bit disappointing. Of course, it has the strongest GPU in mobile phones today. Tegra3 showed moderate performance with few highlights. HiSilicon K3V2 still needs to be improved in efficiency. As one of the few domestic SoCs that can compare with foreign high-end products, we should have more tolerance for it. We hope it can strengthen optimization in future products and improve its own efficiency.

testing environment

Summary of theoretical scores

Summary of web test scores

Test summary

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