Sequential read/write performance both improve handsomely compared to the Galaxy S 4. It's unclear to me if this is a cost optimization or a lack of concern for NAND performance, but either way I'd rather see these metrics improve rather than regress. Random write performance is middle-of-the-road at best. Random read performance is disappointing, it falls behind all modern devices we've tested. I put it through our usual random/sequential IO tests on a 100MB span of LBAs. Samsung sampled a 16GB GS5 review device. Keep in mind that most OEMs find multiple sources for their internal eMMC/NAND solutions, so what I'm testing here may only be representative of a portion of all GS5 devices. Although the Snapdragon 801 inside supports eMMC 5.0, that alone doesn't guarantee a substantial increase in NAND performance. Expansion is supported through a microSD card slot behind the removable back cover. The GS5 ships with 16GB or 32GB of NAND internally on an integrated eMMC device. The Adreno 330 in the Galaxy S 5 is more than capable of driving the device's 1080p display both in current and near term future 3D games. 800, and since the GPU gains are almost entirely due to frequency scaling it's not too surprising that the M8 pulls ahead of the GS5 here in most cases. GPU performance remains where we see the biggest benefit from Snapdragon 801 vs. I don't believe there's a substantial impact on user experience, but it's interesting to note how choice in materials can have a performance impact like this. HTC's metal chassis is able to do a better job of dissipating heat than the GS5's plastic chassis. I believe this has more to do with thermals than anything else. If there's one obvious takeaway from our CPU tests it's that despite having faster silicon than HTC's M8, the GS5 isn't always faster. Kudos to Samsung on doing the right thing, and I hope all other OEMs take this as a sign to stop the silliness.įor our performance tests I turned to our usual suite of browser and native applications. The Galaxy S 5 appears to be clean as far as I can tell. Not only was I unable to find any evidence of the old cheats, I couldn't find any evidence of HTC's new subtle cheating either. Snapdragon 800/801 BreakdownĪlthough Samsung was the first major OEM to be caught cheating in Android benchmarks, it appears to have completely abandoned the practice with the Galaxy S 5's shipping software. GS5 owners are lucky as all versions of the device that use Qualcomm silicon feature the MSM8974AC v3 SKU, which includes four 2.5GHz Krait 400 cores and a 578MHz Adreno 330 GPU. The bulk of the improvements impact GPU and ISP performance, but the SoC is just better overall. I've gone through the Snapdragon 801 in depth already, but we're basically dealing with a reasonable upgrade to Snapdragon 800 on an improved 28nm HPm process. The Galaxy S 5 marks the second Snapdragon 801 based device we've reviewed at AnandTech, the first being HTC's M8.
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