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Joined: 11 May 2006
Posts: 32637
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 Posted: Wed Oct 02, 2013 4:00 pm Post subject: They're (Almost) All Dirty: The State of Cheating in Androi |
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<p> Thanks to AndreiF7's excellent work on discovering it, we kicked off our investigations into Samsung’s CPU/GPU optimizations around the international Galaxy S 4 in July and came away with a couple of conclusions:</p> <blockquote> <p> 1) On the Exynos 5410, Samsung was detecting the presence of certain benchmarks and raising thermal limits (and thus max GPU frequency) in order to gain an edge on those benchmarks, and</p> <p> 2) On both Snapdragon 600 and Exynos 5410 SGS4 platforms, Samsung was detecting the presence of certain benchmarks and automatically driving CPU voltage/frequency to their highest state right away. Also on Snapdragon platforms, all cores are plugged in immediately upon benchmark detect.</p> </blockquote> <p> The first point applied exclusively to the Exynos 5410 equipped version of the Galaxy S 4. We did a lot of digging to confirm that max GPU frequency (450MHz) was never exceeded on the Snapdragon 600 version. <strong>The second point however applied to many, many more platforms.</strong></p>
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Source: AnandTech
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