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[VR Zone] RV770 June 18th - Page 2

post #11 of 21
Quote:
Originally Posted by Mhill2029 View Post
Since they were released. Nah....i think i'm set for a while.
And plus you'd have to change your case If ya did

An ATi card in a nVidia case....well...thats like keeping your condoms in a bible...
post #12 of 21
Quote:
Originally Posted by SerenityKill3r View Post
Is the 4870X2 using a different chip than the 4870?? It says the X2 is using the R700, while the 4870 is using the RV770XT
It's the same chip, R700 is just the code name for the X2 model. It is rumored, though, that it will have some crazy memory controller scheme where the two GPUs are more of a dual core than a CrossFire-on-a-board type deal, and they would share the same 1GB framebuffer memory.
post #13 of 21
Quote:
Originally Posted by SerenityKill3r View Post
And plus you'd have to change your case If ya did

An ATi card in a nVidia case....well...thats like keeping your condoms in a bible...
post #14 of 21
Quote:
Originally Posted by glenbuck1914 View Post
What? I'm Irish If anybody has a right to say it, we do lol
post #15 of 21
Quote:
Originally Posted by darkcloud89 View Post
It's the same chip, R700 is just the code name for the X2 model. It is rumored, though, that it will have some crazy memory controller scheme where the two GPUs are more of a dual core than a CrossFire-on-a-board type deal, and they would share the same 1GB framebuffer memory.
So its still a single PCB like the 3870X2, except it will only have 1 GPU??

This is good news for aftermarket cooling solutions...$200 for a GX2 waterblock...BAH!
post #16 of 21
Quote:
Originally Posted by darkcloud89 View Post
It's the same chip, R700 is just the code name for the X2 model. It is rumored, though, that it will have some crazy memory controller scheme where the two GPUs are more of a dual core than a CrossFire-on-a-board type deal, and they would share the same 1GB framebuffer memory.
err do you mean 2 cores on 1 die?
post #17 of 21
any info on what kind of psu would be needed ?
Sunfire
(13 items)
 
  
CPUMotherboardGraphicsRAM
E6300 @3.1 ASUS P5B Galaxy 8800gt 512 4gb g skill pc8000+ 4gb 6400 ballistix 
Hard DriveOptical DriveOSMonitor
500gb+640gb LG super multi Vista home premium 64bit Dell S2309W 
KeyboardPowerCaseMouse
Logitech G15 Corsair HX520 Antec P182 G5 
Mouse Pad
Steelseries pad 
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Sunfire
(13 items)
 
  
CPUMotherboardGraphicsRAM
E6300 @3.1 ASUS P5B Galaxy 8800gt 512 4gb g skill pc8000+ 4gb 6400 ballistix 
Hard DriveOptical DriveOSMonitor
500gb+640gb LG super multi Vista home premium 64bit Dell S2309W 
KeyboardPowerCaseMouse
Logitech G15 Corsair HX520 Antec P182 G5 
Mouse Pad
Steelseries pad 
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post #18 of 21
Quote:
Originally Posted by carl25 View Post
any info on what kind of psu would be needed ?
http://www.overclock.net/hardware-ne...ails-meet.html

Apparently the boxes will say 450watts for 1 card, 550 for 2.
    
CPUMotherboardGraphicsRAM
Q6600 @3.2ghz UD3P (F7 bios) Sapphire 4870 (512mb) 4gb Mushkin 800mhz 
Hard DriveOptical DriveOSMonitor
WD 640gb LG dvd writer? Whatever. Vista x64 business Acer x203 
KeyboardPowerCaseMouse
G15 (v2) 750TX Antec 900 intellimouse explorer 4 (whatever, works well). 
Mouse Pad
Really? Um some zboard pad I got free 
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CPUMotherboardGraphicsRAM
Q6600 @3.2ghz UD3P (F7 bios) Sapphire 4870 (512mb) 4gb Mushkin 800mhz 
Hard DriveOptical DriveOSMonitor
WD 640gb LG dvd writer? Whatever. Vista x64 business Acer x203 
KeyboardPowerCaseMouse
G15 (v2) 750TX Antec 900 intellimouse explorer 4 (whatever, works well). 
Mouse Pad
Really? Um some zboard pad I got free 
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Reply
post #19 of 21
Quote:
Originally Posted by carl25 View Post
any info on what kind of psu would be needed ?
Quote:
Power supply requirements call for a 450 watt unit for a single card and a 550 watt version for two cards. Given the fact that ATI has to state this for PoS power supplies, CrossFire should do just fine with a top notch 400 watt power supply.
http://www.overclock.net/hardware-ne...ails-meet.html
Seems to be pretty efficient
post #20 of 21
Quote:
Originally Posted by darksideleader View Post
err do you mean 2 cores on 1 die?
Not quite. Normally when you Crossfire two cards together (or SLI, I think), you can consider some of the VRAM to be "wasted" because textures need to be loaded into the VRAM for each of the cards in order for them to render the scene. The rumor was that there would still be 2 GPU's, but they would be able to access the same VRAM through an external memory controller so there would be no need for duplicating textures or other game assets. Theoretically, this would improve performance because there would be no VRAM overhead for having more than one card.
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