The Kaveri Pre-Launch Thread (A10-7800 and A10-6800k @3,5 Ghz)

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Homeles

Platinum Member
Dec 9, 2011
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Unfortunately, I have : as usual I see the same nicknames in the thread related to AMD.

Btw, as I guess you have used "our" and "we" for some purpose or maybe for you using majestic plural is a natural thing?
Sorry, I didn't think it was very difficult to understand that by "we," I mean the people that are arguing my side of the argument -- that GloFo's 28nm process is not denser than Intel's 22nm process (which shouldn't even be a question).

Why don't you try contributing more to this conversation than personal attacks?
 

rainy

Senior member
Jul 17, 2013
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Sorry, I didn't think it was very difficult to understand that by "we," I mean the people that are arguing my side of the argument -- that GloFo's 28nm process is not denser than Intel's 22nm process (which shouldn't even be a question).

I didn't know that you're some sort of spokesman for Intel fans (in particular cases simply fanboys).

Why don't you try contributing more to this conversation than personal attacks?

You must have a very thin skin if you find my irony as personal attack.

As for contributing: two or three threads about Kaveri were locked already and I would be hardly surprised to see it happen again.

Both of you need to drop the sarcasm and the hostility
-ViRGE
 
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NostaSeronx

Diamond Member
Sep 18, 2011
3,689
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If 28nm SHP is FD-SOI.

You have two styles of metal stacks:
1st:
M1-M5: 90nm
M6-M7: 720nm
2nd:
M1-M6: 90nm
M7-M8: 180nm
M9-M10: 720nm

In comparison:
http://i.imgur.com/WsxDTNQ.png
CPP for TSMC should be between 110nm and 116nm.
CPP for FDSOI @ GlobalFoundries should be between 96nm and 104nm.
 
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IntelUser2000

Elite Member
Oct 14, 2003
8,686
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I'm not even sure if AMDs transistor specification is correct since Bulldozer was initially specified with 2.0 billion transistors and later corrected to 1.2 billion.

There. I think this should be the key point.

How did Kaveri get extra 1.1 billion transistors over Richland? CPU's contribution to the transistor count is pretty negligible and we're talking about a GPU that's not even twice as large.

Kaveri having 2.4 billion is about as useful as the "2.0 billion" in Bulldozer.
 

Ventanni

Golden Member
Jul 25, 2011
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I'm not going to lie. That's a very...strange build. I don't think you'd be frothing at the mouth to build that exact same setup with a 6800k at its heart, but that's essentially how the 7850k will perform except a little bit better.

But at the same time I'm a bit envious, and am excited about the results you get with the setup. Should give you Excavator compatibility too later on down the road.

I plan on replacing my HTPC setup with a 7850k combo!
 

Slomo4shO

Senior member
Nov 17, 2008
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Should give you Excavator compatibility too later on down the road.

If it were a typical built it wouldn't be me

I was considering an ITX build but wanted to water cool the GPU as well which left the options limited. The BitFenix Prodigy is nearly the same size as the Corsair 540 so I decided on picking up one of the new PCIe 3.0 x8/x8 supporting boards and went ahead with a crossfire build. Also, I will be testing to see how much of a bottleneck the 7850K will be with mantle enabled. I am thinking that Thief will be the game to test since BF4 is still riddled with issues.

Besides, my 4770K build is my overkill build with 4 R9 290 (unlocked to 290X) and a 6 rad custom loop
 
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inf64

Diamond Member
Mar 11, 2011
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Oh please test BF4 too, even in its present state it's not that bad of a benchmark.
 

Slomo4shO

Senior member
Nov 17, 2008
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Oh please test BF4 too, even in its present state it's not that bad of a benchmark.

Lets see if BF4 releases the Mantle patch before Thief is released. Feb 25 is but a month and half away, BF4 has been our for a month and half and there has been minimal progress in fixing the game issues :whiste:

How did Kaveri get extra 1.1 billion transistors over Richland? CPU's contribution to the transistor count is pretty negligible and we're talking about a GPU that's not even twice as large.

Kaveri having 2.4 billion is about as useful as the "2.0 billion" in Bulldozer.

Lets see, the R9 290X has a total of 6.2 billion transistors, if we just scale down the 2816 shader cores to 512 shader cores we are looking at roughly 1.127 billion transistors. This is rough shot and doesn't include the ROPs, memory controller, etc. but it does well to illustrate how such a jump can occur.
 
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IntelUser2000

Elite Member
Oct 14, 2003
8,686
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Lets see, the R9 290X has a total of 6.2 billion transistors, if we just scale down the 2816 shader cores to 512 shader cores we are looking at roughly 1.127 billion transistors. This is rough shot and doesn't include the ROPs, memory controller, etc. but it does well to illustrate how such a jump can occur.

Looking for more than a poorly thought response such as this.

Richland ALREADY features a 384 SP GPU.
 

itsmydamnation

Platinum Member
Feb 6, 2011
2,864
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Looking for more than a poorly thought response such as this.

Richland ALREADY features a 384 SP GPU.

looking for more then a poor thought response such as this

Richland has completely different kind of SP's with a completely different kind of memory subsystem with 1/2 of the Memory controller as well.
 

Slomo4shO

Senior member
Nov 17, 2008
586
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Richland ALREADY features a 384 SP GPU.

Caymen architecture vs GCN architecture...

In case you need a refresher:
"Whereas Cayman had 2.64B transistors and a die size of 389mm2, Tahiti has a whopping 63% more transistors than Cayman and yet it’s still smaller, coming in at a slightly more petite 365mm2"

Even Tahiti to Hawaii was a 44% transistor increase with only a 24% die area increase. This is another ~16% increase in transistor density...

Since the IGPU is based around the R7 (and you are looking at a 33% increase in SP count), it isn't hard to fathom a 100-150% increase in transistor count from the Cayman based Richland IGPU.
 
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Khato

Golden Member
Jul 15, 2001
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Caymen architecture vs GCN architecture...

In case you need a refresher:
"Whereas Cayman had 2.64B transistors and a die size of 389mm2, Tahiti has a whopping 63% more transistors than Cayman and yet it’s still smaller, coming in at a slightly more petite 365mm2"

Even Tahiti to Hawaii was a 44% transistor increase with only a 24% die area increase. This is another ~16% increase in transistor density...

Since the IGPU is based around the R7 (and you are looking at a 33% increase in SP count), it isn't hard to fathom a 100-150% increase in transistor count from the Cayman based Richland IGPU.

Regardless, using that same incredibly rough calculation of scaling down the largest Northern Islands die of 1536 shaders in 2,640 million transistors to 384 shaders using approximately 660 million transistors. In which case the 1.127 billion transistors you estimated for the 512 shader Kaveri would only be a 467 million transistor increase over Richland.

So where precisely are the other ~600 million transistors coming from to bring Kaveri up to the amusing 2.4 billion figure? aka, why can't everyone just acknowledge that AMD's done this 'creative' transistor count before and all evidence points to them doing the exact same thing again?
 

jj109

Senior member
Dec 17, 2013
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Wow, a regression in single threaded performance.

Also, isn't this an NDA breach?
 

Sweepr

Diamond Member
May 12, 2006
5,148
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monstercameron

Diamond Member
Feb 12, 2013
3,818
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Slower than Richland @ Cinebench R15 and Geekbench 3 single-core, faster at Geekbench 3 multi-core and PCMark 8. iGPU gaming performance only ~10% faster than A10-6800K.

im both sad and excited, i am too invested to not buy it but it is really looking sh!te...Only AMD could simultaneously excite and disappoint!
 
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Aug 11, 2008
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If correct those results seem quite disappointing. I think we need to wait for reviews from other sites. Also a very strange selection of games. Especially weird that they did not test BF4.
 

mikk

Diamond Member
May 15, 2012
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A singlethread regression in Geekbench 3, similar to Cinebench but not as bad. This is a big disappointment. Gaming benchmarks not much faster than Richland, I didn't expect this. I thought Kaveri could bring bigger gains due to the shrink and new GPU architecture.
 

monstercameron

Diamond Member
Feb 12, 2013
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A singlethread regression in Geekbench 3, similar to Cinebench but not as bad. This is a big disappointment. Gaming benchmarks not much faster than Richland, I didn't expect this. I thought Kaveri could bring bigger gains due to the shrink and new GPU architecture.

no ipc regressions but ips...there is a ~400MHz freq deficit between kaveri and richland...someoneelse work out the maths...
 
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