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Difference between a 6800 GT and a 6800 XT - Page 2

post #11 of 14
The 6800GS sometimes can unlock pipes and a shader. (AGP)

But it doesn't OC as well.

Should be able to be volt modded through the BIOS though. Go with that.

Or the 6800GT.
2 OP pls nerf
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2 OP pls nerf
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post #12 of 14
best
worst

6800U 16pp GDDR3
6800GT 16pp GDDR3
6800GS 12pp GDDR3
6800 12pp GDDR
6800LE 8pp GDDR
6800XT 8pp GDDR
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post #13 of 14
     
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post #14 of 14
Definitive answer

Quote:
6800 LE 128/256MB (320/700) (2.56/22.4) (AGP/PCIe)
- 8 pixel shader units - 8 TMUs - 8 ROPs - 4 vertex shader units
It can often be softmodded into a 6800. If one is especially lucky 16 pixel pipelines can be within reach. The 6800 LE has GDDR memory. Out of box performance is a bit faster than a 9800 Pro, but if the softmod is a success a major performance boost is to be expected.

6800 XT 128/256/512MB (325/700) (2.6/22.4) (AGP/PCIe)
- 8 pixel shader units – 8 TMUs – 8 ROPs - 4 vertex shader units
This card is performance wise pretty identical to a 6800 LE. The AGP version can be unlocked to 12x1 and 6 vertex shader units. It’s advised to choose models with GDDR3 memory rather than GDDR if overclocking is important to you.

6600 GT 128/256MB (500/900 (1000 PCIe)) (2.0/16.0) (AGP/PCIe)
- 8 pixel shader units - 8 TMUs - 4 ROPs - 3 vertex shader units
The high core and memory (GDDR3) frequency mostly eliminates architectonical deficiencies (4 ROPs, 3 vertex shader units and 128-bit memory).

The performance difference between the AGP- and PCIe version is neglible. It can’t be modded. The 6600 GT is a better deal than a 6800 LE if you don’t like to mod a card.

6800 128/256MB (325/700) (3.9/22.4) (AGP/PCIe)
- 12 pixel shader units – 12 TMUs – 8 ROPs - 5 vertex shader units
16 pixel shader units and 6 vertex shader units can be achieved though a softmod if you’re successful. Slow GDDR memory prevents high frequencies therefore crippling performance when compared to a 6800 GT. It’s about 35 % faster than a 6800 LE, but struggles to keep up with faster cards like: X800 XL and 6800 GT.

6800 GS 256/512MB (350 (425 PCIe)/1000) (5.1/32.0) (AGP/PCIe)
- 12 pixel shader units – 12 TMUs – 8 ROPs - 5 vertex shader units
The PCIe version is marginally slower than a 6800 GT and the performance hit is a bit larger if AA and AF are used. The AGP version is even slower due to the lower core frequency. The performance is quite an achievement when you look at the apparent weak architecture when compared to a 6800 GT. 16x1 and 6 vertex shader units can be achieved for the AGP version through a softmod.

6800 GT 256MB (350/1000) (5.6/32.0) (AGP/PCIe)
- 16 pixel shader units – 16 TMUs – 16 ROPs - 6 vertex shader units
The card is substantially faster than a 6800. GDDR3 memory can achieve higher frequencies than the slower GDDR which cards like LE and NU are equipped with. An unmodded X800 Pro is a bit slower.

6800 Ultra 256MB (400/1100) (6.4/35.2) (AGP/PCIe)
- 16 pixel shader units – 16 TMUs – 16 ROPs - 6 vertex shader units
The only difference between an Ultra and a GT is the higher frequencies and marginally higher voltage (0.1 V).
All 6800 series cards.

The GT is a lot faster than the XT

Source: http://www.futuremark.com/forum/showthread.php?t=164
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