Apple A9X the new mobile SoC king

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Thala

Golden Member
Nov 12, 2014
1,355
653
136
Just remember though iDevices do exceptionally well in JavaScript tests like Kraken because Apple optimizes the hell out of Safari

Actually the contrary is the case. Safari was long time known for its bad Javascript implementation. Only with iOS 9 you could call Safari's Javascript implementation somewhat competitive.
That having said, i consider Javascript benchmarks as close to useless when it comes to compare different uArchs because the benchmark tells you more about the Javascript implementation than about the CPU performance itself.
 

thunng8

Member
Jan 8, 2013
153
61
101
Just remember though iDevices do exceptionally well in JavaScript tests like Kraken because Apple optimizes the hell out of Safari. Great for the iOS browsing experience, but not great for cross platform comparisons... except for JavaScript.

No real evidence how optimised it is compared to e.g. Chrome. We can say that ios8 safari was not very well optimised. The equivalent JS engine of ios8 in mac OS X was Safari 8 in Yosemite (10.10). Yosemite Safari was far behind Chrome and Firefox on the mac in Javascript performance.

I will be testing EL Capitan Safari 9 (uses same JS engine as ios9) when it releases to see how good Safari's Javascript engine to do a rough comparison to Chrome and Firefox.

As evidence of that, as I've illustrated with the test result I posted with A8X, the results improve dramatically with each iOS version release using the exact same SoC.

OTOH it's good for intra-platform comparisons. A9 does exceptionally well when compared to A8(X). Impressive generational improvement.

Oh and congrats on getting your 6s already.

Nah .. just did the test in the Apple store. Sunspider was 230ms. Forgot to do Octane

BTW, GFXbench Manhattan offscreen is 37.6fps, just very slightly below the Air 2 as 39.5.

https://forum.beyond3d.com/threads/apple-a9-soc.57221/page-12
 

asendra

Member
Nov 4, 2012
156
12
81
I have El Cap so I ran some quick js bench to compare js engines. (10.11.1b)

Browser --- Kraken / Sunspider / Octane
-----------------------------------------------------
Safari ----- 1275ms / 137ms / 25125
Chrome --- 1135ms / 191ms / 29600
Firefox ---- 1070ms / 182ms / 26450

Air2 (9.0) - 2420ms / 288ms / 10700
 
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thunng8

Member
Jan 8, 2013
153
61
101
Looks likes Apple made good progress on their Javascript engine but still not leading edge.

On my Mac Mini i7-3615QM (2.3-3.3Ghz) running Kraken 1.1 on Yosemite 10.10.5:
Safari 8: 2055ms
Firefox 41: 1102ms
Chrome 45: 1160ms
 
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tempestglen

Member
Dec 5, 2012
81
16
71
My Macbook air 2013 , I5 1.3Ghz, 2.6Ghz boost.
safari 8.08 sunspider 200ms

So the A9 is equal to my 2.6Ghz i5?
 

Eug

Lifer
Mar 11, 2000
23,740
1,274
126

R0H1T

Platinum Member
Jan 12, 2013
2,582
162
106
Tell me about it:

http://browser.primatelabs.com/geekbench3/3559663

MacBook Pro 2009 13" 2.26 GHz

Single-core 1279
Multi-core 2321

However, this just reaffirms my belief that these benches are not very useful cross platform.

Also, those are 32-bit results. I believe if you run 64-bit it'd be faster for Geekbench.
Yes & no, check out the sunspider results above that.
Now that's some serious shit, just for reference that is above & beyond my wolfdale system, replaced last year, overclocked to ~3.2GHz not to mention I always used the latest 64bit chrome/chromium build for benches. Also the browser results are still lower than what you could achieve with chrome, in a notebook I'd expect something like an A9X to beat anything Intel except the latest i7(ULP?) on the market.
 

witeken

Diamond Member
Dec 25, 2013
3,899
193
106
First it was Geekbench, now its Kraken. 1700ms in Kraken 1.1 rivals the Core M in Yoga 3 Pro. Now, this is for the A9. Core i7 5600U gets 1173ms. Core i5 5200U gets 1660ms. That means A9X is probably going to beat the Core i5 5200U.

The scores suggest in Kraken, the Core M performs quite close to U chips since its a light and short benchmark. It seems that Intel designed the Core M to be "ARM competitor Core chip", except they aren't doing such a good job at it and ends up being a bad PC chip.

This is quite amazing. A 15W Core i7 is only 25-30% faster than A9X. Skylake is going to add 10% to that.

If this turns out to be true in more tests, I see a harsh wind blow against Intel for which will start their decline, and they won't have a Pentium M style fallback to save them this time.

Cherry picking simple web browser benchmarks and inventing power consumption numbers out of thin air? Confirmation bias.
 

name99

Senior member
Sep 11, 2010
441
332
136
*sigh* When will they implement a proper memory controller with random IO optimizations.

This is one of the reasons why the A7/A8/A9 are benchmark monsters but fall behind in real world tasks (relative to where you would expect them to be). Also why silvermont does so well in PCmark and 3dmark physics.

We have seen, in ever Apple CPU since the A6, that the CPU performs spectacularly on real world apps, and on EVERY benchmark except "3dmark physics".
Don't you think that suggests more that "3dmark physics" is a somehow a very broken benchmark than that there is some massive flaw in the Apple CPUs that is invisible to all circumstances except this one special benchmark?
 

name99

Senior member
Sep 11, 2010
441
332
136
Cherry picking simple web browser benchmarks and inventing power consumption numbers out of thin air? Confirmation bias.

You're welcome to claim cherry picking benchmarks, but the following is, I think, very informative:
This compares the fastest retina Macbook (1.3GHz Broadwell Core M), and the fastest Geekbench score I could find (so presumably running at maximum turbo) to an iPhone 6S.

https://browser.primatelabs.com/geekbench3/compare/2602578?baseline=3515465

I think it's remarkable just how close they are across the board; also interesting is how similar the memory scores are. (You can see this both in the Stream scores, and in the various benchmarks that are memory limited, which are the ones where MacBook and iPhone are pretty much identical; eg the FFTs or Sharpen and Blur.)
This is interesting because in earlier Apple chips the uncore (ie the caches and memory subsystem) were notably inferior to Apple, and the usual doubters were insisting that, OK, Apple can make a quality core but they don't have the years of expertise to make a quality memory subsystem.
(I expect the next argument to be "OK, Apple can make a good memory subsystem, but they don't have the years of experience to make a decent multi-core system that shares the cache well between multiple cores, offers fast atomics and locks, and everything else a multicore system needs for optimal multi-threaded performance...)

I'd say this shows that A9 is definitely comparable to Broadwell-Y; when A9X comes out, I expect we'll see that comparable to the best Broadwell-U's in the highest end MacBook Air.
 

jpiniero

Lifer
Oct 1, 2010
14,823
5,440
136
Chipworks says the die size of the A9 is 94 mm2, which isn't bad given the performance increase compared to the A8 which was 89 mm2 (on TSMC 20)

They seem to think the sample they have is from Samsung, but they are not totally sure.
 
Mar 10, 2006
11,715
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You're welcome to claim cherry picking benchmarks, but the following is, I think, very informative:
This compares the fastest retina Macbook (1.3GHz Broadwell Core M), and the fastest Geekbench score I could find (so presumably running at maximum turbo) to an iPhone 6S.

https://browser.primatelabs.com/geekbench3/compare/2602578?baseline=3515465

I think it's remarkable just how close they are across the board; also interesting is how similar the memory scores are. (You can see this both in the Stream scores, and in the various benchmarks that are memory limited, which are the ones where MacBook and iPhone are pretty much identical; eg the FFTs or Sharpen and Blur.)
This is interesting because in earlier Apple chips the uncore (ie the caches and memory subsystem) were notably inferior to Apple, and the usual doubters were insisting that, OK, Apple can make a quality core but they don't have the years of expertise to make a quality memory subsystem.
(I expect the next argument to be "OK, Apple can make a good memory subsystem, but they don't have the years of experience to make a decent multi-core system that shares the cache well between multiple cores, offers fast atomics and locks, and everything else a multicore system needs for optimal multi-threaded performance...)

I'd say this shows that A9 is definitely comparable to Broadwell-Y; when A9X comes out, I expect we'll see that comparable to the best Broadwell-U's in the highest end MacBook Air.

Apple is the richest and most profitable technology company in the world. It's brand is gold, and its products are iconic.

Why is anybody surprised that they could invest in developing world class chips?
 

Boze

Senior member
Dec 20, 2004
634
14
91
Apple is the richest and most profitable technology company in the world. It's brand is gold, and its products are iconic.

Why is anybody surprised that they could invest in developing world class chips?

Yeah, this is exactly how I feel about it. With as much disposable cash as they have lying around, I would not at all be surprised to see them designing a replacement chip for their desktops and laptops and cutting out Intel entirely.

What would really be mindblowing is if they started working on GPUs as well, cutting out NVIDIA and AMD.

An Apple iMac running an Apple CPU and GPU and performing better than an Intel processor and NVIDIA / AMD GPU would really be a sight to see.

Talk about coming full circle.
 
Dec 30, 2004
12,554
2
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Apple is the richest and most profitable technology company in the world. It's brand is gold, and its products are iconic.

Why is anybody surprised that they could invest in developing world class chips?
they're not event hat special, they're simply not managed like crap like their competitors
 

Eug

Lifer
Mar 11, 2000
23,740
1,274
126
Whatever the case, the A9-endowed iPhone 6s feels very, very fast vs previous generations (including the 6). It reminds me of the difference between a Core i5 MacBook Pro vs. a Core M Retina MacBook. Both get the job done but the MBP just feels peppier, even just for basic stuff like navigating around OS X. This is one of a few reasons I've held off on buying the Retina MacBook, even though the Retina MacBook is the laptop design I've been asking for for years.

This illustrates why A9 is not overkill for a phone, just like Core i5/i7 isn't overkill for a light laptop.

And I say this as someone who wrote this message on an A5-endowed iPad 2, and whose main laptop is a dual-core 2.26 GHz Core 2 Duo.
Yeah, this is exactly how I feel about it. With as much disposable cash as they have lying around, I would not at all be surprised to see them designing a replacement chip for their desktops and laptops and cutting out Intel entirely.

What would really be mindblowing is if they started working on GPUs as well, cutting out NVIDIA and AMD.

An Apple iMac running an Apple CPU and GPU and performing better than an Intel processor and NVIDIA / AMD GPU would really be a sight to see.

Talk about coming full circle.
Apple already owns 10% of Imagination Technologies.
 
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Idontcare

Elite Member
Oct 10, 1999
21,118
58
91
Chipworks says the die size of the A9 is 94 mm2, which isn't bad given the performance increase compared to the A8 which was 89 mm2 (on TSMC 20)

They seem to think the sample they have is from Samsung, but they are not totally sure.

Unfortunately because of the split contract people will have to acquire multiple samples before they can be sure to TSMC's and Samsung's A9 for comparison purposes.
 

jhu

Lifer
Oct 10, 1999
11,918
9
81
Apple's financial results would disagree with you.

Having good financial results and having something special are two different things. Tesla has something special, but they're still in the red financially. Exxon doesn't really have anything special, but their financials are great.
 
Mar 10, 2006
11,715
2,012
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Having good financial results and having something special are two different things. Tesla has something special, but they're still in the red financially. Exxon doesn't really have anything special, but their financials are great.

What is your definition of "special"? I think we need to agree on a definition before taking this discussion further
 

Accord99

Platinum Member
Jul 2, 2001
2,259
172
106
We have seen, in ever Apple CPU since the A6, that the CPU performs spectacularly on real world apps, and on EVERY benchmark except "3dmark physics".
Don't you think that suggests more that "3dmark physics" is a somehow a very broken benchmark than that there is some massive flaw in the Apple CPUs that is invisible to all circumstances except this one special benchmark?
Or rather, that 3dmark physics is closest thing to a real world benchmark that's ever regularly tested. Apple's broken useless Geekbench and the js tests, but not yet 3dmark.
 
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