System Performance Cont'd: GPU Performance

As previously mentioned, the Galaxy S6 uses a Mali T760MP8 clocked at 772 MHz, which should provide a healthy improvement in GPU performance over the Exynos 5433. To test this, we run through our standard suite of game-style GPU benchmarks. However, there are still some CPU benchmarks present within these tests such as the 3DMark physics test. In general though, a strong GPU is needed to perform well in these tests. For those interested in an architectural deep-dive of the Mali T760, I would refer to Ryan’s article on the Midgard architecture for more information.

3DMark 1.2 Unlimited - Overall

3DMark 1.2 Unlimited - Graphics

3DMark 1.2 Unlimited - Physics

The Galaxy S6 starts out fairly strong in 3DMark. Overall performance is boosted by a chart-topping physics score, while pure graphics performance trails a bit. In this case the S6 is roughly on par with the iPhone 6 Plus, but would have to close quite a gap to catch up to the HTC One (M9).

BaseMark X 1.1 - Overall (High Quality)

BaseMark X 1.1 - Dunes (High Quality, Offscreen)

BaseMark X 1.1 - Hangar (High Quality, Offscreen)

BaseMark X finds the S6 the runaway winner. The phone is well ahead in both the Dunes and Hangar test, beating the next-best phones (primarily Adreno 420/430 based) by 25% or more depending on the test. The increase over the S5 is especially remarkable; Samsung has more than doubled their performance in this benchmark in barely a year.

GFXBench 3.0 Manhattan (Onscreen)

GFXBench 3.0 Manhattan (Offscreen)

GFXBench 3.0 T-Rex HD (Onscreen)

GFXBench 3.0 T-Rex HD (Offscreen)

GFXBench 3.0 is another strong showing for the S6. In both offscreen tests it's 15% or more ahead of the next closest phone, which is once again the HTC One (M9). Meanwhile compared once more to the S5, Samsung's performance has more than doubled. Consequently even the onscreen tests show significant gains, as the GPU performance gain more than outstrips the additional performance required to drive the higher resolution 1440p AMOLED display of the S6.

Overall, as we can see the performance of the S6 is in line for what is expected from its Mali T760MP8 configuration. Interestingly though the phone's performance exceeds the scaling we'd expect from adding two shader cores and increasing frequency to 772 MHz, as compared to the Exynos 5433-powered Note 4 Exynos. This suggests that the Exynos 5433's GPU was bandwidth-limited to some extent, in addition to any possible thermal throttling that would occur over the course of a GFXBench run. But I suspect we'll have to save the deep dive for a future article as I can't take the review unit apart to find out.

System Performance NAND Performance: The First UFS Phone
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  • bogda - Friday, April 17, 2015 - link

    It is fascinating how people accept paying 100$ for 32GB SD upgrade, knowing microSD card of that capacity costs 13$ on Amazon at this very moment. They even call this logic modern.
  • FickleBJT - Saturday, April 18, 2015 - link

    The storage in the phone is MUCH faster than that $13 SD card. There is no comparison between the two.
    Size isn't everything, my friend.
  • bogda - Saturday, April 18, 2015 - link

    For media files size is of 95% importance and speed is 5%.
  • EnzoFX - Saturday, April 18, 2015 - link

    and using a phone for such pure storage function is of 5% important. Most people these days are streaming their content. This has always been the logical move. Sure there's a market, but it's a niche like past comments have said. It will stay there from here on out.
  • zvadim - Saturday, April 18, 2015 - link

    Do you have any reason to believe that in-phone flash is significantly (7x) more expensive then retail flash cards? Seems like pure profit margin padding to me.
  • juxt417 - Wednesday, April 22, 2015 - link

    They did it to gain performance in many areas. As SD cards are slow and can cause lag in many different situations.
  • juxt417 - Wednesday, April 22, 2015 - link

    An SD card would lag very badly when loading the 4k pictures and video the s6 creates. Ufs 2.0 was the best choice in that regard.
  • RiotSloth - Thursday, May 14, 2015 - link

    The two are not comparable though, for many reasons. Internal storage is so much better if you can get it.
  • Peichen - Saturday, April 18, 2015 - link

    Check the tare down at iFixIt. Battery is the 2nd to last big component to come out. It is not going to be easy and there is also the glue back together you need to do.
  • Uplink10 - Saturday, April 18, 2015 - link

    You will find a phone with removable battery and SC card slot but you have to look at the rest of the market, namely Asian companies who also have much cheaper phones and also offer ROM on their official website.

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