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Frontpage Slideshow | Copyright © 2006-2010 orks, a business unit of Nuevvo Webware Ltd.
Thursday, 14 October 2010 13:12

AMD Barts and Cayman further detailed

Written by Slobodan Simic
radeon_logo_new

Cayman XT with 6Gbps memory

The same set of slides revealed some fresh information regarding the specifications of both Barts and Cayman GPUs. The new specs reveal the difference between the XT and Pro models for both GPUs. The new detail is that Cayman XT will use 6Gbps GDDR5 chips, something that will surely bring a significant performance boost.

Barts XT and Pro will both feature 1GB of GDDR5 5Gbps memory, but will have a different max TDP. The new info is that Barts Pro will actually need a single 6-pin PCI-E connector and will have a TDP of below 150W while the XT version will need two of them and will end up with a TDP of over 150W.

Similar situation is with Cayman GPUs, as the Pro version will end up with 5Gbps memory, TDP of under 225W and will need two 6-pin PCI-E connectors. Cayman XT will feature one 6-pin and one 8-pin PCI-E connector and will have a TDP of below 300W.

You can find all slides here.

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Last modified on Thursday, 14 October 2010 16:03
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Comments  

 
-32 #1 Tr0y 2010-10-14 16:12
Why not just post the slides? Or a link to the slides?

Why do you have to repeat 1:1 what's on the slides?
 
 
+14 #2 stoneeh 2010-10-14 17:20
thank god the caymans will come out with 1gb memory. hardly any game uses even 1gb anyway, so to fit the cards with 2gb would only increase cost

anyway, if some AIB wants to appeal to the legions of fanboy kiddies who have never seen benchmarks between 1 and 2gb cards, they can always do it, but at least we have a choice
 
 
+19 #3 Haberlandt 2010-10-14 17:44
5Gbps = 1250MHz (GDDR5)
6Gbps = 1500MHz (GDDR5)

Just to make it clearer.
 
 
+1 #4 nele 2010-10-14 17:46
Quoting stoneeh:
thank god the caymans will come out with 1gb memory. hardly any game uses even 1gb anyway, so to fit the cards with 2gb would only increase cost

anyway, if some AIB wants to appeal to the legions of fanboy kiddies who have never seen benchmarks between 1 and 2gb cards, they can always do it, but at least we have a choice


Maybe, but an extra 1GB of 6gbps GDDR5 could push the price sky high.

The times of cheap DDR3 are long gone, so few AIBs will choose to add a ton of memory to new boards.
 
 
+10 #5 Huacanacha 2010-10-14 17:58
Quoting Tr0y:
Why not just post the slides? Or a link to the slides?

Why do you have to repeat 1:1 what's on the slides?

Or better, explain some of the obscure terms to do some value add to the content...

For example I'd like to know what MBA means...
 
 
+14 #6 azrael 2010-10-14 18:39
MBA means "Made by ATi" (or rather "Made by AMD" these days).
 
 
-16 #7 Nerdfighter 2010-10-14 20:48
I knew it. AMD is making a card, that is as power-hungry as Fermi, but faster. Just because Nvidia has loosened the standards, I guess you could say. Wonder how much power Antilles will consume...
 
 
+5 #8 Bl0bb3r 2010-10-14 23:48
Quoting Nerdfighter:
Just because Nvidia has loosened the standards



Nvidia and standards? HA!


Anyway, Barts XT is 230mm2, the board is exactly that pictured recently with the 4+1+1 power circuit between the GPU the the output connectors and it has 256-bit bus, but on a 6 layer PCB as opposed to Cypress which is on 8 layer PCB, which might hinder voltage modders.
http://vga.it168.com/a2010/1014/1113/000001113788.shtml

We also got price listings, 190€ for 6850 (Barts Pro) and 255€ for 6870 (Barts XT) (19% VAT tax included).
http://www.tcmagazine.com/tcm/news/hardware/31065/radeon-hd-6850-hd-6870-get-listed-real-clocks-confirmed
 
 
+7 #9 Bl0bb3r 2010-10-15 00:32
La noi vor fi cam 200€ si 270€, daca nu se lacomesc magazinele.

1150 RON... nu e o "scadere" de pret prea mare de la 1400/1500 RON cu cat se vand in medie 5870-rile dar ceva tot e.
 
 
+6 #10 BorgOvermind 2010-10-15 06:42
The Barts is made to finish off the 460. And from a performance/power perspective it does.
All that remains for it to be fully competitive is a correct pricing.
 

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