Snapdragon 820, 810, 808 vs A9 vs Exynos 7420

As machines equipped with Snapdragon 820 are gradually launched on the market, the foreign XDA forum uses the Samsung Galaxy S7 edge as a representative of Snapdragon 820 to compare it with machines equipped with other SoCs to see whether the latest 820 can become the real king.

The six machines used for the test are iPhone 6s Plus (Apple A9), S7 edge (Snapdragon 820), Note 5 (Exynos 7420), Moto X Prue (Snapdragon 808), Nexus 6P (Snapdragon 810) and HTC One M9 (Snapdragon 810).

CPU

For CPU testing, because the test machine includes both Android and iOS platforms, GeekBench was used to perform cross-platform benchmark tests for 8 consecutive times, and the results are recorded as shown in the figure above.

In these tests, we can clearly see that the Snapdragon 820 performs surprisingly well on the S7. The scores from the beginning to the end of the test are not much different, and there is no obvious performance drop like the Nexus 6P or HTC OneM9 equipped with 810. The Note 5 continues to perform stably, and the Exynos 7420 once again proves its strength. The 820 not only improves in performance this time, but also maintains its advantage until the end of the test.

The temperature of the mobile phones was measured, and they were lined up in a row: starting from the left, they are iPhone 6s Plus, S7 edge, Note 5, Moto X Pure, and Nexus 6P. The test results are in line with expectations, with iPhone 6s Plus and Note 5 performing best, at about 28.3 degrees Celsius; 6P had the highest temperature, reaching 35 degrees Celsius, ranking behind Moto X Pure at 31.1 degrees Celsius; S7 edge maintained a good balance between performance and heat this time, ranking behind Note 5 and iPhone at 28.9 degrees Celsius, and performing much better than 810.

GPU

Officials claim that the latest Adreno 530 improves the graphics performance of the Snapdragon 820 by more than 40%. The 3DMark test also shows that the S7 edge has a significant performance improvement compared to the Nexus 6P or Note 5. However, unlike the CPU test, the 820 performance dropped significantly in the test, although the score was still higher than the comparison model. It is worth mentioning that before the test, all machines were cooled for 30 minutes in a room with a room temperature of 24.5 degrees Celsius, but the initial temperature was not kept consistent, which may have affected the test. The results are for reference only.

The S7 edge with Snapdragon 820 has been leading the Android models from the beginning to the end, and as promised, the GPU performance has increased significantly. However, each model has experienced a decline to varying degrees, among which the HTC One M9 has dropped from 1041 to 1082, which is really terrible.

After the test, the temperature was measured. Surprisingly, the highest temperature was on the iPhone 6s Plus, the S7 edge was the second hottest, and the Note 5, which had the same initial temperature as the S7 edge, was slightly lower. Surprisingly, the Nexus 6P only rose 2 degrees Fahrenheit during the entire test. The reason is unclear, perhaps because the GPU was tested, and its architecture separated the CPU and Adreno 430, proving that the Adreno 430 is still a powerful mobile GPU when viewed alone.

Here XDA once again reiterated that this test cannot represent the complete level of Snapdragon 820, but only represents the S7 edge device itself. After all, there are too many variables such as customized software, background services, internal hardware configuration, etc. This test is for reference only.

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