Published On: Fri, Mar 24th, 2017

All-Inclusive Qualcomm Snapdragon 835 Benchmarks Show Improved Integer, Disappointing Floating Point & Mixed GPU Performance

In usually a integrate of days, a second smartphone lineup featuring Qualcomm’s Snapdragon 835 will be with us. Sony took a pretension of a initial manufacturer to launch a smartphone with a processor. Now, before Samsung gets to uncover off a Galaxy S8 and Galaxy S8+ during a event, Qualcomm invited a integrate of folks over to a domicile for contrast purposes. Anandtech was one of them and they’re behind with a lot of sum and benchmarks. Take a demeanour subsequent to find out more.

Qualcomm Snapdragon 835 Benchmarks Show Consistent Performance In Majority Of Results

We’ve got a lot of sum for a Snapdragon 835 today. Following custom, Qualcomm has finally authorised a media to exam a processor. And child are there a lot of benchmarks for us today. But before we get to that, let’s take a demeanour during what’s underneath a hood of this 10nm processor. A lot of hopes are tied around a 835. Qualcomm’s betrothed us that a processor will broach some-more in both opening and energy potency over a predecessor. There’s a lot some-more to a 835 afterwards you’d be means to discern during a initial glance.

For starters, a processor’s Kryo cores don’t share a singular underline with their predecessors. The Kryo pattern is a company’s initial loyal tradition fortitude for 64 bit compute. We’ve got a lot of madness in a comments territory over this bit. So to transparent things adult once and for all, here’s a brief overview of what’s Kryo and what’s not. The Snapdragon 820’s Kryo cores are a initial of their kind that are truly opposite from ARM’s solutions for a partners. They’re not a same as ARM’s other 64 bit able cores, and resemble Qualcomm’s tradition ensue benefaction on Scorpion and Krait pre-2012.

Basic Performance + Memory:

Now, given a Snapdragon 835 facilities cores dubbed as ‘Kryo 280’, you’d pattern them to be softened iterations of a originals found on a 821 and 820. Wrong. Kryo 280 is a initial of ARM’s new ‘Built on ARM Cortex’ license. Through this, manufacturers start with an ARM pattern and supplement changes of their own. Current conjecture suggests that Kryo 280 follows ARM’s Cortex A73 chips. In short, Qualcomm’s selected a A73 and combined changes as it sees fit.

This creates comparisons a lot some-more easier. For a rest of this piece, you’ll see that a Snapdragon 835 is compared to Huawei’s Kirin 960, that uses Cortex A73 cores. In fact, as we proceed, you’ll notice that both a 960 and a 835 follow identical patterns for benchmark and opening scores. Both uncover decreased JPEG, Camera, PDF digest and Canny scores. But while integer opening is still bettwer when compared to a 820, in floating indicate a 835 simply doesn’t demeanour like a 10nm, 2017 processor.

Moving towards memory latency, a architectural shifts in Kryo 280 uncover their impact clearly. To start off, we’re going to have to explain what an Address Generation Unit, or an AGU is. Your CPU, is a member that performs several calculations via a day. The data, or beef for these calculations is stored in your device’s memory. An AGU generates addresses for a several information points for a CPU. This, simplifies a routine for a categorical processor as it doesn’t have to regard itself to do all this ‘locating’ itself.

Now, a Kryo 280, identical to a A72, A73 and A57 has dual AGUs. Where it differs from a A57 and A52 is that any AGU is able of behaving both bucket and store operations. The gains in Memory latency and bandwidth when compared to a 820 and 821 are massive. Latency here refers to a time between a authority to collect a information is given and a impulse this authority is indeed received. Take a demeanour during a formula below.

Advanced Performance + Browser:

Now, it’s time to pierce towards some real-time opening tests. We’ve got complement turn tests, that we can see in a images above. They operation from altogether opening to browsing, essay and information manipulation. In PC Mark 2.0 altogether scores, a Snapdragon 835 scores 6,676 points and leads a pack. But a lead over a Huawei Mate 9 isn’t that significant. We see identical trends for Web Browsing.

In Data essay and manipulation, a S835 loses a lead. It comes second place for both a tests, though a disproportion here isn’t that poignant either. Keep in mind that these scores are on a anxiety device. Manufacturers will tweak a Snapdragon according to their possess needs, so unsentimental formula will differ from these scores. The Write/Manipulation tests furnish sundry formula due to brief bursts of activity. At a end, final opening depends on OEM processor manipulation.

Browser benchmarks benefaction a many engaging results. Take a demeanour during a images above and you’ll see that Apple’s iPhone 7/6s Plus lead consistently. This isn’t due to a A10 Fusion, for all we Apple fans out there. Rather, Cupertino’s JavaScript for Safari works good with a processors. Apple’s famous for a firmly weave hardware/software formation and a formula show. The Snapdragon 835 is a clever performer in Web XPRT. The processor scores 154, a 30 indicate led over a Huawei Mate 9.

To sum it up, for CPU, a Snapdragon 835 shows unchanging results. Since these tests are formed on a anxiety device, final conclusions are uncalled-for during this point. It’s really diseased in floating point, that is bizarre given a strange Kryo cores were clever performers in a category. For integer scores, Qualcomm has done a lot of improvements on a processor. Finally, ARM’s upgraded AGU pattern for Cortex A73 also shows a strengths in memory results.

The Adreno 540 – Graphics:

Now it’s time to take a demeanour during Qualcomm’s code new Adreno 540 GPU for a Snapdragon 835. The association promises a lot of upgrades for it. According to Qualcomm, a Adreno 540 will underline a 25% boost in 3D digest over a predecessor. 10nm will also boost handling frequencies for a processor. We’ll start off by holding a demeanour during a Snapdragon 835’s T-Rex and Car Chase scores. The former exam OpenGL ES 2.0 while a latter tests ES 3.0.

For OpenGL ES 2.0, a Snapdragon 835 renders 118 fps, imprinting for a clever lead over a iPhone 7 Plus. Apple uses customized versions of Imagination Technologies’ GPUs in a smartphones. The iPhone 7 Plus uses a 1080 onscreen resolution, and a Snapdragon 835 performs during 1440p, creation a formula even some-more strong. The Mate 9’s also using a 1080p fortitude so you’ll see a processor lead in T-Rex Onscreen. The Adreno 540 shows a full strength when it’s not compelled by resolutions. In T-Rex Offscreen, a GPU leads consistently over a A10, a Mali G71MP8 and a Adreno 530.

Car follow is some-more applicable for a latest comparison. Testing ES 3.1, a benchmark shows identical formula in Onscreen scores. The Snapdragon 835 is a top 1440p smartphone. It scores a clever lead over a Pixel XL, with a device scoring 11.6 fps. It’s in Offscreen formula that a Adreno 540’s loyal strength shows. It’s lead over a Snapdragon 820 formed Le Pro3 is large and shows how most Qualcomm’s softened a GPU over a approach predecessor.

In all 3 variants of 3D Mark’s Sling Shot, a Qualcomm Snapdragon 835 is a consistent winner. Its lead over a Snapdragon 820 is really clever and is a usually vital disproportion that we get to see for subsequent 6 levels, overall. Considering that both a Mate 9 and a S835 use identical CPU cores, a disproportion between their GPUs is clearly manifest in a Physics test. This exam measures altogether memory scores for a processor in propinquity to graphics and a Snapdragon’s lead is self-explanatory if you’ve paid courtesy so far. The Adreno 540’s clever shader opening is manifest in Graphics chronicle of a exam as well. Qualcomm’s paid special courtesy to ALUs this year, a fact that’s also reflected in Basemark scores.

But this ALU improvements fades when we speak API support. Apple’s support for Metal on a iPhone 7 and iPhone 7 Plus formula in most some-more fit graphics performance. In Basemark – Metal, a iPhone 7 Plus has a clever lead over a Snapdragon 835 and second place Huawei Mate 9. Qualcomm’s lead diminution in Offscreen ELS 3.1 and a GPU comes second place to a approach prototype in Onscreen testing. A GFXBench Offscreen ALU exam puts a iPhone 7 Plus and a Snapdragon 835 neck in neck. Apple’s got a GPU diversion strong, quite as Cupertino’s solutions are privately customized to a needs.

Conclusions:

Conclusions? Qualcomm’s swell with a Snapdragon 835 paints a churned picture. The US chipmaker has softened a integrate of areas for both estimate and graphics. At rest, it’s left things woefully inadequate. The strongest underline for a Snapdragon 835’s Kryo 280 cores is their memory performance. This is quite due to ARM’s architectural improvements with a Cortex A73. In integer scores, a 835 outlines for clever performance, though leaves most to be desired. For floating point, opening is simply abysmal.

The graphics dialect sees a Adreno 540 browbeat a foe in all though a handful of tests. The processor’s pivotal ALU upgrades destroy to kick Apple’s iPhone lineup. In shader performance, a 540 doesn’t perform as good as we’d pattern it to. Keep in mind, as mentioned above, that these are rough formula only. OEMs tinker a lot with processors to make them device-specific. So unless a S835 becomes widely available, we’ll haven petrify judgements for a processor. Thoughts? Let us know what we consider in a comments territory subsequent and stay tuned. We’ll keep we updated on a latest.

Thanks a lot, Anandtech! We owe you.

 

 

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