Kaveri APU in jan 2014

[NormH]

is it true that the Kaveri APU's in 2014 like the A10-7850k will have 4 cores and 8 threads like the i-series intels? and i also heard that they will have igpu's to compete with the hd7850. can anyone confirm this? if so im going to build my son an a10 light gaming pc soon

 

[logainofhades]

I haven't heard any of that on Kaveri at all.

 

[wtalk2]

http://www.pcmag.com/article2/0,2817,2427114,00.asp

 

[NormH]

in that article it says it will have 4 multithreaded cores. not clear on the gpu though.

 

[anxiousinfusion]

Could that be a mistake on behalf of PCMag?

 

[NormH]

i read it on other sites as well. it all reads the same.

 

[jaguarskx]

and i also heard that they will have igpu's to compete with the hd7850. can anyone confirm this? if so im going to build my son an a10 light gaming pc soon

I highly doubt that. The current Radeon HD 8650g is equal to the Radeon HD 6670 DDR3 when paired with DDR3-2133 RAM. That means the HD 8650g is half way between the performance of the Radeon HD 5570 and Radeon HD 5670 desktop graphics card.

Going from the Radeon HD 6670 DDR3 to a Radeon HD 7850 DDR5 would be about a 500% improvement in performance. No way... not going to happen. In the following article from Slashdot they estimate a 33% improvement in iGPU performance and it should be equal to about a low end nVidia GT 630 desktop CPU.

http://slashdot.org/story/13/11/12/1741230/amd-confirms-kaveri-apu-is-a-512-gpu-core-integrated-processor


Based on some benchmarks of the Radeon HD 6670 DDR3, it has about 76% the performance of the Radeon HD 6670 DDR5. If the 33% increase in performance is a good estimate, then that means the iGPU in the A10-7850k will be about equal to the Radeon HD 6670 DDR5. That would also mean the iGPU should be about equal to a nVidia GT 640.

 

[NormH]

From what i read they are fully revamping the igpu it has mantle, trusting, and other features

 

[NormH]

I miss quoted it said 7750 not 7850

http://www.anandtech.com/show/7507/amd-kaveri-apu-launch-details-desktop-january-14th

 

[NormH]

Also truesound not trusting as the other post said. I'm on my phone traveling and it auto corrects

 

[logainofhades]

True audio yes we are getting with Kaveri.

 

[NormH]

Read my link it says new igpu should be on par with 7750,. If so that's great for budget gaming

 

[PandaBear270]

What about the CPU performance and IPC? Any improvement over the current AMD stock?

 

[NormH]

Says 15% but that's debated in many forums

 

[NormH]

Also supposed to be 4 multithreaded cores so similar to Intel hyperthreading

 

[PandaBear270]

Tell me that they have L3 cache and I will dream.

 

[NormH]

Don't see an L3

 

[jaguarskx]

I miss quoted it said 7750 not 7850

http://www.anandtech.com/show/7507/amd-kaveri-apu-launch-details-desktop-january-14th

The quotes from the article is as follows:

Meanwhile the GPU will be composed of 8 GCN 1.1 CUs, which would put the SP count at 512 SPs (this would be equivalent to today's desktop Radeon HD 7750). Furthermore AMD is throwing around a floating point performance number – 856 GFLOPS – which thanks to some details found in AMD's footnotes by PCWorld gives us specific clockspeeds and even a product name. A10-7850K CPU clockspeed 3.7GHz, GPU clockspeed 720MHz.

It is simply saying that they estimate there will be as many SP (shader processors) as there would be in a Radeon HD 7750. Not is not saying it will equal the performance of the Radeon HD 7750.

The 856 GFLOPS number is the more important number. However, you cannot make simply make assumptions on that number either. For example, the Radeon HD 7750 can do 819.2 GFLOPS so the new top end iGPU should perform better based on that number. Many benchmarks have shown that the Radeon HD 5770 / HD 6770 / HD 7750 all have the same performance. The HD 6770 is simply a rebranded HD 5770, but it can do 1,360 GFLOPS. Therefore just looking at the numbers the Radeon HD 5770 / HD 6770 should perform better than the HD 7750 but it doesn't. However, that does not take into consideration the difference in the architecture itself.

At the moment it is a bit too early to say what the performance will be especially since the new Radeon HD graphics core will still be using DDR3 as opposed to the much faster DDR5 RAM used by the Radeon HD 7750. As I mentioned before, the difference going from a Radeon HD 6670 DDR3 to a Radeon HD DDR5 is about a 33% increase in performance so RAM speed plays a major factor in the potential performance. Other things that would play a role in performance would be the clock speed and the number of TMUs or Texture Mapping units.

At the moment, I feel comfortable in saying that I think the performance could be a little bit better than the Radeon HD 6670 DDR5 desktop graphics card. That is still a pretty good though. On a scale of 1 to 100; 1 being the Radeon HD 6670 and 100 being the Radeon HD 6750 (a.k.a. Radeon HD 5750), I would say about a 15.

 

[Kewlx25]

I'm more interested to see how the APU can use the iGPU as a low-latency high-throughput co-processor. They're adding a lot of new features in this upcoming APU, to make it easier to program and better at handling compute work.