AMD on track for launch of Kaveri in February 2014

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AtenRa

Lifer
Feb 2, 2009
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It's pretty daft logic, agreed. If AMD really pushed the boundaries on APU performance then they could shut NVidia out of certain markets entirely. Instead they dithered, and now Intel is beating them to it with the Iris Pro.

AMD should accept that the dGPU market is doomed, and try as hard as they possibly can to hold on to their IGP advantage and push it as fast as they can.

Where did you see that the dGPU market is doomed ??? the entry/low dGPU segment is dead due to the AMDs and Intels APUs but the rest (from $60.00 and up) is doing just fine.
 

NTMBK

Lifer
Nov 14, 2011
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Where did you see that the dGPU market is doomed ??? the entry/low dGPU segment is dead due to the AMDs and Intels APUs but the rest (from $60.00 and up) is doing just fine.

APUs are devouring the dGPU market from the feet up. More segments of the dGPU market get made irrelevant with each generation of new APUs.
 

AtenRa

Lifer
Feb 2, 2009
14,003
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APUs are devouring the dGPU market from the feet up. More segments of the dGPU market get made irrelevant with each generation of new APUs.

APUs will never get more performance than $60-70.00 dGPU market.

dGPU segment will not have any problem above that price point.
 

ShintaiDK

Lifer
Apr 22, 2012
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APUs will never get more performance than $60-70.00 dGPU market.

dGPU segment will not have any problem above that price point.

That train left long ago. 60$ dGPUs dont have a chance against IGPs. 80-90$ maybe. But thats just a matter of time before they lose to IGP as well.

Its obvious to see on dGPU sales and the increase in gaming revenue that dGPUs are huge losers. Not to mention the obvious collapse for AMDs dGPUs.

dGPUs are simply slowing dying dinosaurs.
 
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Ventanni

Golden Member
Jul 25, 2011
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NTMBK is right in regards to pricing, and if AMD redesigns their memory controller, which rumor has it they are for Excavator (or quite possibly Steamroller too), then we'll see that iGPU performance mark creep into $70-85 dGPU territory too.

iGPUs will eat into dGPU sales up until die size constraint limits. You'd think once we get to stacked memory modules that it'd be all over, since after all the memory bandwidth issue would be largely resolved, but I don't think that'll happen. dGPUs will continue to stick around for one primary reason; separate die. iGPU performance will be limited by die size, transistor budgets, cooling, and thermal budgets; basically we should be looking at iGPUs eating dGPU marketshare up to 50-60w not $50-60.

Beyond the 100w mark, dGPUs will have no competition in the near future.
 
Aug 11, 2008
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Apus just have too many inherent limitations to really replace mid/high end dgpus. Namely bandwidth and thermal constraints. Right now a 80.00 or so hd7750 is about twice as fast as the fastest apu, except maybe iris pro, but that is a very expensive, rarely used solution. Kaveri should narrow that gap
But I expect it to still be slower than 7750 due to bandwidth limitations. That gap will widen again at some point when 20nm dgpus come out. Hopefully we will see a good performance increase in the 100.00 dgpu segment.
 

ShintaiDK

Lifer
Apr 22, 2012
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NTMBK is right in regards to pricing, and if AMD redesigns their memory controller, which rumor has it they are for Excavator (or quite possibly Steamroller too), then we'll see that iGPU performance mark creep into $70-85 dGPU territory too.

iGPUs will eat into dGPU sales up until die size constraint limits. You'd think once we get to stacked memory modules that it'd be all over, since after all the memory bandwidth issue would be largely resolved, but I don't think that'll happen. dGPUs will continue to stick around for one primary reason; separate die. iGPU performance will be limited by die size, transistor budgets, cooling, and thermal budgets; basically we should be looking at iGPUs eating dGPU marketshare up to 50-60w not $50-60.

Beyond the 100w mark, dGPUs will have no competition in the near future.

You have to ask yourself the question, when is the ROI too low for dGPUs to make business sense. At that point you wont see new dGPUs.
 

Insert_Nickname

Diamond Member
May 6, 2012
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That train left long ago. 60$ dGPUs dont have a chance against IGPs. 80-90$ maybe. But thats just a matter of time before they lose to IGP as well.

That depends on the APU. Why do all here insist on only taking top of the line APUs into account? The HD2500/HD7480D is anaemic compared to almost anything else. Haswell isn't really doing anything for the really low end. (we get 4(!) more shader clusters... yay...)

Also Intel has some serious issues with their drivers for gaming. No, I'm not talking modern titles, those are working fine.

dGPUs are simply slowing dying dinosaurs.

Unless you have a magical way of cramming a Hawaii/GK110 level GPU + Haswell into a 60-80W TDP or solving the memory bandwidth problem, I'm going to have to disagree with you. Even the absolute highest speed DDR4 (4266MHz) announced is only good for 68GB/s in dual channel mode. My old 5770 (bought in 2009) has more bandwidth then that and still performs better then ANY APU. It will only get worse when 4K takes off.

Okay then, which one of these gives better performance than an APU? http://www.newegg.com/Product/Produc...50%20-%20%2475 (And no, open box and refurbed don't count.)

That HD6670 for $49.95 after rebate should get you very close to 6800K performance...
 

ShintaiDK

Lifer
Apr 22, 2012
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That depends on the APU. Why do all here insist on only taking top of the line APUs into account? The HD2500/HD7480D is anaemic compared to almost anything else. Haswell isn't really doing anything for the really low end. (we get 4(!) more shader clusters... yay...)

For the same reason why we dont take the lowest dGPUs.

Unless you have a magical way of cramming a Hawaii/GK110 level GPU + Haswell into a 60-80W TDP or solving the memory bandwidth problem, I'm going to have to disagree with you. Even the absolute highest speed DDR4 (4266MHz) announced is only good for 68GB/s in dual channel mode. My old 5770 (bought in 2009) has more bandwidth then that and still performs better then ANY APU. It will only get worse when 4K takes off.

You forget volume.
 

AtenRa

Lifer
Feb 2, 2009
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Unless AMD will produce a 200W APU, i dont see how the APUs will compete against $100> dGPUs.
 

Insert_Nickname

Diamond Member
May 6, 2012
4,971
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You forget volume.

Oh, please. You are aware that something like 95% of PCs have shipped with an IGP for the last 15 years. Discrete has been a very low volume market for 10+ years and for those 10 years people have doomed discrete GPUs. Hasn't happened yet.

I remember this exact same discussion when the GMA900 was launched in 2004.
 

ShintaiDK

Lifer
Apr 22, 2012
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Oh, please. You are aware that something like 95% of PCs have shipped with an IGP for the last 15 years. Discrete has been a very low volume market for 10+ years and for those 10 years people have doomed discrete GPUs. Hasn't happened yet.

I remember this exact same discussion when the GMA900 was launched in 2004.

The bolded part is simply not true. Nobody doomed dGPUs for 10 years either. And with Broadwell coming with up to GT4 with 2Tflops. Its obvious that IGPs keeps lowering the delta to dGPUs. The 3 year+ node cycle for dGPus now is not helping either. Add stacked memory and its really looking bleak for the dGPU.
 

ShintaiDK

Lifer
Apr 22, 2012
20,378
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Unless AMD will produce a 200W APU, i dont see how the APUs will compete against $100> dGPUs.

Why 200W? Is the CPU part that inefficent? Even at 125W it should be possible to mix a 7770Ghz(110$) class GPU with a CPU.
 
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ShintaiDK

Lifer
Apr 22, 2012
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Don't AMD and Nvidia make more money from the professional market?

I dont think AMD make much money there. They are down to ~300M$ revenue per quarter on graphics, and it keeps shrinking. And HPC market is not getting easier with the Xeon Phi. For nVidia its a little different, but again, get certified drivers for IGPs and the market erodes. Just look at AMDs FirePro APU for example:
http://www.amd.com/us/products/workstation/graphics/ati-firepro-3d/APU/Pages/APU.aspx
 
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Insert_Nickname

Diamond Member
May 6, 2012
4,971
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The bolded part is simply not true.

OK, I might have exaggerated a bit, but wast majority of PCs sold use IGPs. Us enthusiasts are very much the minority and it has always been that way.

Nobody doomed dGPUs for 10 years either. And with Broadwell coming with up to GT4 with 2Tflops. Its obvious that IGPs keeps lowering the delta to dGPUs. The 3 year+ node cycle for dGPus now is not helping either. Add stacked memory and its really looking bleak for the dGPU.

I will believe Broadwell GT4 can do 2Tflops when I see it. That'll require between HD7850 and HD7870 level performance, and I just don't see that happening. Lets say they double the number of EU's from 40 to 80. That times 4 equals 320 shaders more-or-less (rough simplification). Even the 6800K has 384, the HD7850 has 1024 and the HD7870 1280. Then you have a very nasty bandwidth problem even with 2133MHz(34.1GB/s)/2400MHz(38.4GB/s) DDR3. I haven't seen that many notebooks with 2133 and higher RAM, but if we keep to desktop the HD7850/70 has 153.6GB/s available...

About stacked memory its still a while off for actual shipping products, and no one is stopping AMD/NV from using it with discrete GPUs. I even think I saw a roadmap somewhere where Maxwell's successor (Volta or whatever it is called) used it.
 

NTMBK

Lifer
Nov 14, 2011
10,269
5,134
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I will believe Broadwell GT4 can do 2Tflops when I see it. That'll require between HD7850 and HD7870 level performance, and I just don't see that happening. Lets say they double the number of EU's from 40 to 80. That times 4 equals 320 shaders more-or-less (rough simplification). Even the 6800K has 384, the HD7850 has 1024 and the HD7870 1280. Then you have a very nasty bandwidth problem even with 2133MHz(34.1GB/s)/2400MHz(38.4GB/s) DDR3. I haven't seen that many notebooks with 2133 and higher RAM, but if we keep to desktop the HD7850/70 has 153.6GB/s available...

Haswell GT3e has 832 GFLOPS, so GT4 with 1.6GFLOPS seems plenty feasible. And 2133MHz DDR3 paired with a 128MB eDRAM cache should still give reasonable bandwidth, if not hitting GDDR5 level.
 

ShintaiDK

Lifer
Apr 22, 2012
20,378
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About stacked memory its still a while off for actual shipping products, and no one is stopping AMD/NV from using it with discrete GPUs. I even think I saw a roadmap somewhere where Maxwell's successor (Volta or whatever it is called) used it.

But it will benefit IGPs a hell lot more than dGPUs. Again shrinking delta.
 

mrmt

Diamond Member
Aug 18, 2012
3,974
0
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I dont think AMD make much money there. They are down to ~300M$ revenue per quarter on graphics, and it keeps shrinking. And HPC market is not getting easier with the Xeon Phi. For nVidia its a little different, but again, get certified drivers for IGPs and the market erodes. Just look at AMDs FirePro APU for example:

I don't think APU will have any meaningful impact on the professional market. There time is literally money, so instead of waste thousands of dollars while your golden boy chat over the coffee machine, you buy a faster card, not a cheapskate APU.

But for students, entry-levels APU should make a nice niche for AMD.
 
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