At present, the foreign media anandtech has got Snapdragon 820 They conducted a series of comprehensive performance tests on the Snapdragon 820, which is very close to the mass production version. However, the performance of the Snapdragon 820 is not as strong as expected, and in many projects it is not even as good as the Snapdragon 810.
CPU
The Snapdragon 820 adopts the self-developed Kryo architecture and Samsung FF 14nm LPP process. It has two large cores with a main frequency of 2.15GHz and two small cores with a main frequency of 1.593GHz. The large core secondary cache is 1MB, and the small core secondary cache is 512KB. The 32-bit dual channel LPDDR4 1803MHz memory has a bandwidth of 28.8GB/s. The GPU is Adreno 530, and the frequency is 624MHz.
In the browser scoring, both the Snapdragon 820 engineering machine and Android machine use the Chrome browser. In the browser scoring, the performance of the Kraken 1.1 project is not as good as that of the LG G4 of the Snapdragon 808, and the browser scoring is comprehensively suppressed by the iPhone 6s Plus. However, it must be stated here that the iPhone browser scoring uses Safari, which has a scoring effect bonus, But this is too much ahead.
In addition, 2381 points of Snapdragon 820 also lost to iPhone 6s Plus in Basemarkļ¼ Apple A9 processor), because anandtech did not get the machine of Huawei Mate 8, there was no score of Kirin 950 among them. We used Huawei Mate 8 for the score of Basemark, and the result was more than 1900 points. In addition, PCMark did not log into the Apple Mall, so Apple A9 did not appear in the PCMark project. Snapdragon 820 suppressed the second place Galaxy Note 5 700 points in this project.
GPU
In the GPU part, GFXBench, under the ES3.1 off screen test in Manhattan, the Snapdragon 820 has 30 frames, twice as many as the Galaxy Note 5. Since the iPhone does not support ES3.1, Apple does not appear in this project. In the case of Manhattan 3.0 interior screen and Tyrannosaurus Rex 3.0 off screen, the Snapdragon 820 easily won the first place, while the second place was the iPhone 6s Plus, with a difference of 5-10 frames. In GFXBench's non off screen mode, the Snapdragon 820 runs at 2K resolution, and its performance is not ideal.
But in the 3DMark test, Snapdragon 820 lost to iPhone 6s Plus and Galaxy Note 5 in the total score of Ice Storm Unlimited, and even Xiaomi Note Pro was ahead of Snapdragon 820. It can be seen from 3DMark's CPU score and GPU partial score that Snapdragon 820 was on a par with iPhone 6s Plus in GPU score, but it was significantly inferior to Xiaomi Note Pro of Snapdragon 810 in CPU score, Galaxy Note 5 of Exynos 7420, so the total score is unsatisfactory.
summary
From the test results, the Adreno 530, the GPU of the Snapdragon 820, is as strong as the rumor, while the CPU part, the Kryo architecture independently developed by Qualcomm, is dragging down the whole Snapdragon 820. Its performance is even worse than that of the Snapdragon 810 and Apple A9. In short, the overall performance of the Snapdragon 820 is still worse than that of Apple A9.
