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AMD Radeon HD 6000 News and Speculation - Page 9

post #81 of 111
11/3/10 at 6:35am
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Another big power! HD6970 PCB exposure Figure Exclusive

Quote:
Recently, a number of Internet rumors about AMD's next-generation single-core flagship product - Radeon HD 6970 (codenamed Cayman) the power and heat would be substantially increased. Of course, HD6970's performance is also reported that before the rumors of them also have good performance.

Today, we again received HD6970 graphics PCB design picture:
Radeon HD 6970 graphics cards from the PCB design point of view, HD6970 graphics card power supply circuit has been greatly enhanced, power supply circuit has reached the 8-phase power supply, and we thus imagine HD6970 graphics card power consumption performance....
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post #82 of 111
11/7/10 at 6:58am
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Some Cayman Radeon HD6970 specs

Quote:
1536 stream processors
We managed to get some specs of the soon-to-launch, well at least on paper, AMD Radeon HD 6970 card.

What we can share with you is that Cayman packs 1536 stream processors, 32ROPs, 96 Texture units and 2GB of GDDR5 memory.

We, the hard working people of Fudzilla, also have learned that the card comes with two DVI ports, 2 mini Display ports and HDMI, which is much better than what Nvidia's GTX 580 can offer.

TDP looks to be slightly lower than GTX 580’s but in worst case it looks to go up to the sky, something that we’ve seen with GTX 480 and almost 300W TDP in Furmark. Stay tuned, more sepcs will follow as soon as we can confirm them.
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post #83 of 111
11/7/10 at 7:07am
I'm excited.
Rarely these days does a GPU release get me going but I can't wait to order my Cayman.
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post #84 of 111
11/11/10 at 12:44pm
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AMD Announces Radeon HD 6900 Series of Video Cards - 6850, 6970, 6990

Quote:
AMD held their financial analyst day yesterday and when we were going through the slides we noticed that they have officially announced that the Radeon HD 6900 series of video cards does exist. From what we can gather on the internet, AMD plans to launch the Radeon HD 6970 and HD 6950 together on November 29th. These cards have been known as 'Cayman' up till know. The dual-GPU solution is going to be called the Radeon HD 6990 and that card will come last. Rumor has it that the Radeon HD 6990 (aka Antilles) comes later and best estimates are Q1 2011. The Radeon HD 6990 is made up of two Cayman GPU's and should be AMD's flagship GPU for much of 2011 if not all of it.
Quote:
We managed to get some specs of the soon-to-launch, well at least on paper, AMD Radeon HD 6970 card. What we can share with you is that Cayman packs 1536 stream processors, 32ROPs, 96 Texture units and 2GB of GDDR5 memory. We, the hard working people of Fudzilla, also have learned that the card comes with two DVI ports, 2 mini Display ports and HDMI, which is much better than what Nvidia's GTX 580 can offer. TDP looks to be slightly lower than GTX 580’s but in worst case it looks to go up to the sky, something that we’ve seen with GTX 480 and almost 300W TDP in Furmark. Stay tuned, more specs will follow as soon as we can confirm them.
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post #85 of 111
11/18/10 at 9:05am
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Approaching the final specifications of the AMD Radeon HD 6970?

Quote:
18. November 2010 by Andreas Schilling
Once again there are new rumors to the AMD Radeon HD 6900-series. This time will Expreview.com the final clock speeds and the number of shaders have experienced. was rumored to already numerous. Only recently has the AMD launch of the Radeon HD 6900-series to 13 December moved .

Apparently AMD will the optimization of clock and GPU design even on the GeForce GTX 580 react with ( Hardwareluxx test ), the NVIDIA published more or less suddenly. As is secured the 4-D design of the GPU , as is the 2GB of graphics memory. In addition, however, reaches far hardly credible information to the public. The rumors surfaced now belong exclusively to the Radeon HD 6970 XT GPU with Cayman.

The speech is here again in 1536 shader processors, it should have done but with the clock a bit. Was so far the issue of 860 MHz, should be the GPU clock has now been increased to 890 MHz. To the GPU with enough to supply data, it is the fastest memory on the page - 2 GB GDDR5 with a real clock of 1375 MHz, which corresponds to effective 5.5 GHz. For comparison, the ATI Radeon HD 5870 works with real 1200 MHz memory clock.

Where is the Radeon HD 6970 is classified by the changes to the shader design, is difficult to assess. Your enemy is clearly the GeForce GTX 580. So far no credible benchmarks have emerged, which is also evidence that with the AMD Radeon HD 6970 is not yet ready and provide the Board partner is still no final maps.
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post #86 of 111
11/22/10 at 5:08am
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AMD's HD 6970 "Cayman XT" Features 1920 Cores, HD 6990 "Antilles" 3840
Quote:
11/22/2010 by: Theo Valich

We woke into an early Monday morning with leaked slides that AMD is using to brief their favorite press and analysts regarding the upcoming GPUs: Cayman and Antilles parts from the Radeon HD 6900 Series. Cayman powers Radeon HD 6950 and HD 6970, to be followed by HD 6930 once the number of non-functional ASICs reach a sufficient level to launch a "filler-part". According to our sources, usually the number of QA failed cores need to reach 30,000 units, but we've seen both companies launching filler-parts even with 12,000 weaker ASICs on stock [inventory clean-up actions].

In any case, HD 6900 Series Family will have two guaranteed parts at launch - HD 6950 and HD 6970, with dual-GPU Antilles will follow in the first quarter of 2011 - the launch should happen at CES 2011 timeframe [conveniently, nVidia is also preparing an event at CES 2011].

Getting back to the topic, suspected specifications for two upcoming graphics chips from AMD are as follows: Cayman XT will feature 1920 cores, while dual-GPU Antilles will carry 3840 cores. According to our sources, Cayman Pro [HD 6950] is somewhere in the 1600 core range - on par with previous top single GPU part, Radeon HD 5870.

Cayman GPU features 32 ROP units and is capable of outputting 32 pixels per clock, which is less than GTX 580 and their 48 pixels/clock. The number of texture units is set at 96, up from 80 on Evergreen and 64 on GTX 480 and GTX 580. As far as memory clock goes, HD 6970 will ship with 2GB of GDDR5 memory at 1.25GHz in QDR mode [5000 MT/s] for a video memory bandwidth total of 160GB/s [HD5870: 1.20GHz QDR, 153.6GB/s].

When it comes to computing power, 1920 cores mean serious business - AMD is citing 3TFLOPS in single-precision and 0.75 TFLOPS in double-precision. While this is only a small performance upgrade from its predecessor, the Cypress GPU [2.72 TFLOPS SP, 0.54 TFLOPS DP], bear in mind that both Cayman and Antilles represent an architectural refresh of Evergreen, not a completely new architecture.

All in all, we will see what the performance will look like not just against the GeForce GTX 580, but against GTX 570 as well, given that the parts are scheduled to debut in third week of December. Our sources informed us that HD 6950 and HD 6970 are scheduled to debut on December 15, at 12:01AM EST. We're working hard on securing a sample for launch review, but it is not easy given that we were taken off the press list with no particular reason.
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post #87 of 111
11/22/10 at 6:38am
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post #88 of 111
11/22/10 at 8:08am
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nice
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post #89 of 111
11/22/10 at 9:18am
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Source
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post #90 of 111
11/23/10 at 3:46pm
Thread Starter 

Source

Take with grain of salt.


--------------------------------------------

Quote:
AMD's Cayman [HD 6900] die is exactly 380mm2, i.e. 43mm2 more than previous gen Cypress [HD 5850/5870/5970], while Barts is 230mm2, significantly more than 166mm2 of its predecessor [Juniper].
With these two, AMD will create three product lines: Barts packs in HD 6800, Cayman will come as HD 6900 and two Cayman chips will be turned into Antilles - Radeon HD 6970 X2. Antilles is successor of HD 5970, and the die size comparison there is also quite favorable for AMD: HD 5970 featured 672mm2, while HD 6970 X2 will feature 760mm2.

In comparison, nVidia's long time rumored dual-GF104 board [GTX 495] would have to beat HD 6970 using 734mm2 of silicon - something that can be called mission impossible, even after you count in the unpleasant fact that nVidia's SLI technology [currently] scales much better than AMD's Crossfire.

The problem with that measurement is that Barts is a head to head competitor for GF104, not Cayman [which targets GF100 / GTX 480].

The difference between Barts and GF104 is quite bit - 230mm2 versus 367mm2. Yet, Barts offers higher performance in computer games, which are the key measurement these two are measured.
Source
Edited by rico2001 - 11/23/10 at 3:59pm
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