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[tgdaily] AMD’s Radeon 4800 in production - Page 4

post #31 of 105
Go ATI.
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post #32 of 105
4870 with it's 1GB GDDR5 sounds delicious but there are no games to justify this upgrade.

Btw, does ATI cards support full screen video?
Nvidia took it away from us. It was a nasty surprise when i bought this.
post #33 of 105
Quote:
Originally Posted by evolution320 View Post
LOL !!

What you want me to prove ? LOL !

I think everyone knows that 512bit would give the same memory bandwidth as 256bit at half the memory speed. This can be done by simple math !

(512bit/8) x 2.2GHz = 140.8 GB/s

(256bit/8) x 4.4GHz = 140.8 GB/s
No...

If thats true, then why is the HD3870 (A HD2900XT with a 256Bit Mem bus) just as fast in benchmarks...?
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post #34 of 105
Quote:
Originally Posted by evolution320 View Post
Using GDDR5 on GT200 is pointless because GT200 use 512bit

1.1GHz GDDR3 on 512bit will give you the same memory bandwidth as 2.2GHz GDDR5 on 256bit
A GDDR3 512bit interface is more expensive to implement than GDDR5 on a 256bit.

GDDR5 is great for bragging rights though.
post #35 of 105
sweet, so by early june perhaps?
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post #36 of 105
Quote:
Originally Posted by dr4gon View Post
sweet, so by early june perhaps?
I plan on selling the cards in my sig rig and getting rid of my 9800GX2 for dual 4870x2s O_O
post #37 of 105
Quote:
Originally Posted by Gollie View Post
This is the only part of the article that I don't understand. How do TMU's impact performance?
TMUs (texture mapping unit) have been one of the big bottlenecks of ATI's GPU architecture. According to Wiki, a TMU:

Quote:
rotates and resizes a bitmap to be placed onto an arbitrary plane of a given 3D object as a "texture".
I can't wait to see some real benchies of this behemoth!
    
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post #38 of 105
Quote:
Originally Posted by dr4gon View Post
sweet, so by early june perhaps?
Oh, I hope so. 4870x2 will hopefully be my replacement for these GTX's
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post #39 of 105
Quote:
Originally Posted by Leck View Post
And then Nvidia will topple them, and then ATI will topple them, and then Nvidia will topple them.....

REPEAT
Wash Rinse Repeat As Needed.


ontopic: This is awesome, Hopefully it will make nvidia drive their prices down farther to compete.
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post #40 of 105
Go ATi. Ahead of schedule sounds fantastic, and I really hope they nailed it.

4.4Ghz memory? O_o

Don't let Nvidia sit on that GT200! Gogo competition!
    
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