GeForce 6800 Ultra and Radeon X800 PRO AGP - video card comparison
GeForce 6800 Ultra
Radeon X800 PRO AGP
Architecture
Curie (2003−2013)
R400 (2004−2008)
GPU code name
NV45
R420
Market segment
Desktop
Desktop
Release date
July 2004
May 2004
Interface
PCIe 1.0 x16
AGP 8x
Supplementary power connectors
1x 6-pin
1x Molex
Core clock speed
425 MHz
475 MHz
Manufacturing process technology
130 nm
130 nm
Number of transistors
222 million
160 million
Power consumption (TDP)
81 Watt
48 Watt
Texture fill rate
6.800
5.700
Memory type
GDDR3
GDDR3
Maximum RAM amount
256 MB
256 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
1100 MHz
900 MHz
Memory bandwidth
35.2 GB/s
28.8 GB/s
Display Connectors
2x DVI, 1x S-Video
1x DVI, 1x VGA, 1x S-Video
DirectX
9.0c (9_3)
9.0b (9_2)
OpenCL
N/A
N/A
OpenGL
2.1
2.0
Shader Model
3.0
-
Vulkan
N/A
N/A