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Wednesday, 15 December 2010 01:55

Today is AMD Cayman day

Written by Slobodan Simic

Early morning for Europe
Probably one of the most eagerly awaited AMD GPUs, codenamed Cayman, will launch this morning as the NDA expires on December 15th at 6:01 CET, at least in Europe. In case you somehow missed the previous articles, AMD will launch two graphics cards based on the Cayman GPU, the HD 6950 and the HD 6970. Since we're not running a bakery here, we plan to be sound asleep at launch hour, so here's the lowdown.

As noted the Cayman will be available in two versions, the HD 6970 and the HD 6950. Both GPUs are made in 40nm process and have a 389mm2 die size and 2.64 billion transistors.

The HD 6970 will feature 1536 Stream Processors and will work at 880MHz for the GPU and 1375MHz (5.5Gbps effective) for 2GB of GDDR5 memory paired up with a 256-bit memory interface. These specs are enough for 2.7TFLOPs of compute performance. The rest of the specs include 96 texture units and 32ROPs. The TDP for the HD 6970 is set at 250W for PowerTune maximum TDP, 190W for typical gaming and 20W in idle.

The HD 6950 is similar but packs 1408 Stream Processors, 88 texture units, 32 ROPs and gives 2.25TFLOPs of compute performance. It ended up clocked at 800MHz for the GPU and 1250MHz (5.0Gbps effective) for 2GB of GDDR5 memory paired up with the same 256-bit memory interface. The TDP on this one is set at 200W for the PowerTune maximum power, 140W for typical gaming load and the same 20W for idle.

The pricing ended up to be quite impressive and you can read about it here. The cards should start to appear in retail/e-tail once the NDA is lifted at 6:01 CET.

Also read

Radeon HD 6970 to cost 275 euro

Cayman goes full monty

Reference HD 6970 has dual-BIOS

First Radeon HD 6970 gets pixellized

Radeon HD 6970 slower than GTX 580 in 3Dmark 2011

Radeon HD 6950 is in a class of its own

AMD HD 6950 works at 800MHz

Radeon HD 6970 has 250W PowerTune Maximum Power

Cayman is a 2.64 billion transistor chip

Cayman 6970 has less than 300W TDP

Radeon HD 6970 runs at 880MHz

Last modified on Wednesday, 15 December 2010 02:19
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+5 #1 thaad 2010-12-15 02:50
I going for it with crossfire... Who cannot wait for this is a loser.. poor Nv
+5 #2 LASER 2010-12-15 02:52
yea its winter.. 20W in idle :)
here its 7Am i am waiting from whole night...
I just want to know how they are in tessellation this time....
If 6970 can render ungine extreme test smoothly then i am in for ATI... otherwise Nvidia..
+13 #3 canerpense 2010-12-15 03:13
HD6850 CF is faster and cheaper than GTX580. Great.
+5 #4 comfynumb 2010-12-15 03:15
Review of 6870 and 6950 >>> http://translate.google.be/translate?hl=nl&sl=ru&tl=en&u=http%3A%2F%2Fwww.ixbt.com%2Fvideo3%2Fcayman-part1.shtml
+7 #5 jon 2010-12-15 03:54
If only Catalyst drivers were as "stable" as AMD's unfunded research study claimed. I've been using Catalyst drivers since I bought my Radeon HD 5970s in December 2009 and put them in Quad-CrossFireX. For twelve straight months, my cards have yielded very frustrating blue screens from driver crashes, even after having both cards physically replaced through Sapphire's RMA department. Yes AMD, your decision to acquire ATI was necessary for growth in heterogeneous computing, but for the sake of millions of multi-GPU consumers, please get rid of the ATI driver development team if you actually want to survive.

P.S. If you want one of these cards you can save $10 from Newegg by using the promotion code "FBXMAS10" during checkout.
-11 #6 pauly69 2010-12-15 06:26
this is the POS all you ati fanboys have been waiting for?!?!?!?!? HAHAHA what a joke it cant even keep up with the 480 most of the time let alone a 580 (look at dirt/metro)
+5 #7 Nerdmaster 2010-12-15 08:31
Well Cayman has one big advantage : price.
-3 #8 pauly69 2010-12-15 10:56
Quoting Nerdmaster:
Well Cayman has one big advantage : price.

not when gtx570 is faster AND cheaper than 6970
+1 #9 Nerdmaster 2010-12-15 11:39
Quoting pauly69:
Quoting Nerdmaster:
Well Cayman has one big advantage : price.

not when gtx570 is faster AND cheaper than 6970

Probably drivers will come to the rescue. Most people at the forums expect > 10% increase for the 6970 to be competitive. Also 6970 mostly beats 570 at 1200 and 1600p. That is what matters, not 1680x1050 performance...
0 #10 kapeeteeleest_peeg 2010-12-15 12:09
Well... if the drivers or price don't come to the rescue, this is r600 scenario not r300!
Well disappointed... :o(
Why don't they abandon those shi++y coolers?
I won't consider one of these until custom cooled and driver brings 10+% increase.
2 x 6870 custom cooled :o)
I think amd are after more lucrative mid range this time around & 2 caymans (antilles) will take care of single card crown.
Cayman just a toe in the water for new architecture ideas...
Very good considering die size, but too dear for me...
just seems to be a bit Gay-man...

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