In the new GFXBench Aztec Ruins tests, the Exynos unit takes the lead in terms of sustained performance in the High variant test, only beaten by Apple’s newest iPhones. Most likely this is due to different thermal limits on these two Samsung devices. What is interesting to see here is that both Galaxy S10 units sport worse sustained performance than the Note9 with last year’s chipsets. In the Graphics score of the workload, we come back to the familiar dominance of Qualcomm GPUs. The Snapdragon 855 Galaxy S10 also posts excellent peak perf results, however the CPU seem to throttle quite a bit more, falling in line with what last year’s Snapdragon 845 devices were scoring. Both peak performance and sustained performance here are very good and are only beaten by Kirin 980 devices. I hadn’t had the time to investigate if this is actually caused by improvements of the new M4 core or if the workload is being scheduled on the A75 cores. The result here is a very big change compared to previous generation Exynos SoCs. The Exynos 9820 surprisingly takes the performance lead between both Galaxy S10 units. Starting off with the 3Dmark Sling Shot Extreme Unlimited test suite, the Physics workload is mostly a CPU bound test within a GPU thermally constrained scenario. We’re already seen the GPU inside of the Kirin 980, however for whatever reason Samsung S.LSI has always been able to achieve better results than HiSilicon for several generations in a row, so it’ll be interesting to see how these two chipsets differ. On the Exynos side of things, the new chip adopts a new Mali G76MP12 GPU clocked in at up to 702MHz. The rationale here is to be able to run wider and slower, and thus more efficiently. What has happened is that Qualcomm has dropped the clock frequency from 710MHz down to 585MHz, account for where most of that theoretical GPU performance is missing. Here Qualcomm promises 20% better performance even though the GPU itself has a reported 50% more execution units. The Adreno 640 in the Snapdragon 855 has relatively conservative performance targets this generation. With the Galaxy S10, we again see a new round of Adreno vs Mali in the Snapdragon and Exynos variants of the phone. On the GPU side of things, Qualcomm has long been leading the benchmark charts with the help of their in-house Adreno GPU architecture.
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