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[Anandtech] Who Controls the User Experience? AMD’s Carrizo Thoroughly Tested - Page 2

post #11 of 46
Quote:
Originally Posted by 7850KΒ View Post

8800p https://cpubenchmark.net/cpu.php?cpu=AMD+FX-8800P&id=2567
6300u http://www.cpubenchmark.net/cpu.php?cpu=Intel+Core+i5-6300U+%40+2.40GHz
interesting when you dont compare with gimped hardware

Are you aware that you are comparing 8800p (35w version) to intel 15w CPU ?

I was talking about 15w 8800p vs 15w intel

But your benchmark from your link show that even 15w i5 was slightly better 35w APU. LOL
Edited by ThePath - 2/6/16 at 9:46am
post #12 of 46
at the risk of sounding biased (because i am) i enjoy ian cutress's content and been a fan since his first article on anandtech.

and yeah, too bad ya can't build a laptop like a desktop . .
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post #13 of 46
The processor supports dual channel and the make it run like a turd. Damn those major companies.
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post #14 of 46
Quote:
Originally Posted by ThePathΒ View Post

Core i5 6300U completely blows 15w Carrizo out of water . Even in iGPU performance, intel was much better (intel uses dual channel memory though)
http://www.anandtech.com/show/10000/who-controls-user-experience-amd-carrizo-thoroughly-tested/16

4.5w m3-6Y30 (weakest skylake core m) was able to compete with 15w Carrizo in a lot of those CPU benchmarks

Basically all carrizo apus are mostly locked at 15w TDP... ask THEStilt.

Its stupid to compare 14nm vs 28nm.

2 Carrizo cores without L2 cache are as big as haswell core at 22nm = 14.5mm^2

So if we compare performance per die size carrizo is pretty good and its better than haswell. FPU performance may be the same or little slower, but integer core performance is much better on carrizo.
Haswell 1C/2T = Carrizo module


Some say that piledriver is bad because of bad L2$ performance.. while steamroller imrpovest it a lot and minimal performance (10%) gained.
http://www.extremetech.com/computing/177099-secrets-of-steamroller-digging-deep-into-amds-next-gen-core/2
Edited by Themisseble - 2/6/16 at 10:28am
post #15 of 46
Quote:
Originally Posted by ThePathΒ View Post

Are you aware that you are comparing 8800p (35w version) to intel 15w CPU ?

I was talking about 15w 8800p vs 15w intel

But your benchmark from your link show that even 15w i5 was slightly better 35w APU. LOL

Most of the 8800P are packaged at 15w even if it specifies 35w. It's most definitely a 15w test and bench. The whole processor is gimped in all OEMs. This is because the made them single channel. If it was dual channel you'd not only expect a 30% gain in frame rates but a better responsiveness in processor speed in categories using ram equally as much as CPU like compression.
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post #16 of 46
Just checked out the local store and all the CCarrizo models are gimped like crazy. In fact, I would say they've gotten worse compared to when I was shopping for laptops 5 years ago. At least then AMD and Intel builds were largely the same except for the CPU/GPU. No the difference is like night and day. The last good AMD laptop I saw was when Trinity launched.
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post #17 of 46

These OEM's are ridiculous. I hate them all equally for doing this.

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post #18 of 46
I think the issue is, laptops are taking the brunt of the X86-ARM contest and mobile series are the fodder. Chips like 820 can manage HEVC playback - now, that is something to look forward to! VP9 streams are above and beyond the image quality of current standards along with surprising performance, hevc is likely going to continue on that front; however the performance side is phenomenally weak. No desktop chip encodes @ 1080p60. It is quite absurd that they cannot gain distinction among "decoder" class tablet hardware.
Edited by mtcn77 - 2/6/16 at 10:45am
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post #19 of 46
The APU was still getting its clock cleaned in CPU tasks by a 4.5w Core M... Can't really blame OEMs for not taking Bulldozer's latest failure seriously.
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post #20 of 46
Quote:
Originally Posted by SpeedyVTΒ View Post

The processor supports dual channel and the make it run like a turd. Damn those major companies.

Interesting thing to note is that only Carrizo systems are single-channel, or rather, only the Kaveri system is dual-channel. Why is that? Excavator-based Carrizo shares a socket with Puma-based Carrizo-L, so maybe that's it? But then that seems silly. Cat cores do support multiple memory sticks. Could the socket not be wired such that Carrizo-L sees two sticks in single-channel and Carrizo sees two in dual-channel?

Quote:
Originally Posted by NuclearPeaceΒ View Post

The APU was still getting its clock cleaned in CPU tasks by a 4.5w Core M... Can't really blame OEMs for not taking Bulldozer's latest failure seriously.

Lol. I'll take Carrizo if it means an actual GPU.

And let's put this in different terms. This APU, optimized for low-power systems, 1) achieves its goal better than even AMD's low-power architecture and 2) is a direct descendant of Bulldozer. Yeah, that Bulldozer? This would be like Intel turning Netburst into a capable architecture, something they never managed. AMD has done the impossible with Carrizo.

Now take three important things: knowledge/experience from BD-based uarches and the cat cores, two node shrinks in a single step, and Jim Keller. Zen actually has a shot, a very good shot, at going head to head against Intel. If this is what they can do with a crap architecture, then let's see one built from the ground up.
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