AMD's New Fusion APUs Crush Atom in Early Benchmarks
November 16, 2010 10:02 AM
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The time of Zacate is almost at hand.
Brazos destroys Intel Atom in performance, but only earns a draw in performance with Atom+Ion. If it can beat Ion-based Atom netbooks like the Eee PC in price, Brazos will be the best option. Otherwise, Intel may retain a slight edge -- thanks to NVIDIA.
(Source: Asustek via Register)
If it can beat Atom+Ion netbooks in cost AMD will have this round in the bag
AMD several years back entered a phase where it was full of big talk, but delivered very little. Then a couple of years ago it began to turn the corner, with its aggressive delivery of the Radeon 4000 series,
allowing it to regain the
lead in the discrete GPU market
Now the company looks to follow-up on those successes, unleashing an intriguing new platform the netbook/ultra-mobile market. Intel's Atom processor has long dominated this segment thanks to its low price Atom processors. Atom's CPU performance has always been relatively good, but the performance of Intel's integrated GPUs is pretty abysmal.
new low-power platform
goes for the throat, attacking Atom where it's weakest -- graphics. AMD has announced four upcoming models, which are already shipping to OEMs and should pop up in netbooks, notebooks, and other form factors by January/February 2011 at the latest.
To recap from our last piece:
The E-xxx processors are parts in the
, while the C-xxx parts belong to the
series, which is more heavily aimed at ultraportables. Together these parts collectively belong to the
Prices have not been announced, but AMD is rumored to be targeting the cheaper dual-core D510 part ($63/unit @ 1k) with its E-350. Costs for a
notebook are estimated by AMD to be well under $500, with rumors that they might be in the sub $400 range, even.
Both models are built on the
core design, the low power counterpart to AMD's upcoming
So does AMD have the performance edge?
When comparing between architectures clock speed and core counts are generally poor judges of performance. The E-350 is 1.6 GHz, but it is actually slower than the dual-core 1.3 GHz Athlon Neo K325 or a single-core Athlon V120 2.2GHz with a 512KB L2 cache. But
, AMD's E-350 has cut the average core power draw when active by 40 percent from its previous gen
(Athlon V120) platform.
When it comes to the GPU, though, the comparison to the integrated GPUs on AMD's previous platforms --
(Athlon V120) and
(Athlon Neo) -- isn't even close. The
GPU blows away the past competitors.
In a variety of "practical" benchmarks -- compression, photoshop, etc. the E-350 constantly beats Intel's Atom D510 with Intel integrated graphics.
And in gaming benchmarks it beats Intel's
integrated graphics platform in many games, outperforming a Core i5 processor. Of course, this only applies to GPU-limited titles like
Modern Warfare 2
. CPU limited titles like
see far worse performance. Again, this just goes to show that
has one clear strength -- graphics.
The E-350 also blows away Intel's mobile i3 (2.2 GHz) platform, in gaming tests.
What About Ion and VIA?
So up until now the picture looked pretty clear -- the E-350 blows away Intel's similarly priced offering in real world tests. But what about the new VIA Nano DC or NVIDIA Ion based systems?
Well it turns out both of those outperform the E-350 in CPU-oriented tests. But in gaming and other GPU-intensive tasks the E-350 holds a slight edge over an Intel SU3200-based Ion system (Celeron dual-core 1.2 GHz), and a larger edge over the VIA system,
, though, put it
a D525+Ion system, which blew it away in the CPU limit
and earned roughly a draw at the GPU-limited
Left 4 Dead
What We've Learned...
AMD potentially has a winner on their hands, but it all depends on price. There's plenty of $420 Ion-based notebooks in the 10" category, such as the Eee PC 1015 (Atom N550). To make headway in the embedded sector, AMD must beat the price of Atom+Ion systems.
If AMD can deliver on rumors of a sub $400 netbook with E-350 onboard, it will definitely be the best value in the netbook market. If it can deploy a $420 model it will have earned a draw. And if it's much above that, it will be slightly behind.
If there's one lesson from
it's that Intel should perhaps drop its IGPs and adopt Ion as its integrated GPU solution. That'd be a bitter pill for Intel to swallow, considering its recent clashes with NVIDIA, but let's face it, Intel's integrated graphics efforts are horrendous.
If there's two lessons, the second would be that in many ways
is a Radeon 4000 series sort of launch for AMD. It's not going to jump ahead of its strongest competitor (Atom+Ion), but it looks to pull even in performance and hopefully in price. In the hardware world catching up is always the hardest part, so the future looks bright for AMD and its "Accelerated Processor Units", aka "Fusion processors".
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Goddamn Single Channel
11/16/2010 1:02:44 PM
I feel that these CPUs (APUs fine) are severely crippled by going with Single Channel memory controller. You are catering data to CPU and GPU over a measly single channel and that too slower speed than most cpus out there barring Atoms. How do you expect to deliver 90% performance to mainstream processors of today? You can't!
RE: Goddamn Single Channel
11/16/2010 1:46:39 PM
You may "feel" the CPU is crippled but it is not
Dual-channel memory has maybe a 5% performance advantage over single-channel AT BEST, but it is usually more in the 0-1% range.
It was a scam from the get-go, so please stop propagating a myth.
RE: Goddamn Single Channel
11/16/2010 2:11:58 PM
Please re-read my comment. The review that you linked is specifically for CPU only using main memory for the data. This is about both CPU and GPU using main memory for the data. Any applications that hit both the CPU and GPU will definitely have severe performance hit imo - much more than the CPU only memory case.
RE: Goddamn Single Channel
11/16/2010 6:29:00 PM
I would like to point out a couple things that should be noted.
That test was run in
, on a
Fast forward 3 (almost 4) years, and now you have
processors plus software that has been further optimized to make use of the extra cores.
Yes indeed, when it gets to just a single (or dual) core processor, one channel is supposed to be enough (for most things). But that is pretty much the basic idea though, one channel servicing up to two (or perhaps three) cores. As the count goes up, and we are more and more able to keep them working full burn, the need for bandwidth also goes up.
It's a matter of keeping the processors fed. I remember several years ago an article in Anandtech, comparing the then Opterons with their on-die memory controllers plus HT and Pentium-based Xeons, who were constrained by their front side bus, on a quad-socket build. The Opterons won, and the difference was greater the more number of processors (and cores) you added, as the usable bandwidth would just increase.
So in the end yeah, dual (and triple) channel are no myths. It just depends on what you're going to use them for, and how many mouths you have to feed.
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