GeForce 6800 Ultra and GeForce FX 5900 XT - video card comparison
GeForce 6800 Ultra
GeForce FX 5900 XT
Architecture
Curie (2003−2013)
Rankine (2003−2005)
GPU code name
NV45
NV35
Market segment
Desktop
Desktop
Release date
July 2004
May 2003
Interface
PCIe 1.0 x16
AGP 8x
Supplementary power connectors
1x 6-pin
1x Molex
Core clock speed
425 MHz
400 MHz
Manufacturing process technology
130 nm
130 nm
Number of transistors
222 million
135 million
Power consumption (TDP)
81 Watt
35 Watt
Texture fill rate
6.800
3.200
Memory type
GDDR3
DDR
Maximum RAM amount
256 MB
128 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
1100 MHz
700 MHz
Memory bandwidth
35.2 GB/s
22.4 GB/s
Display Connectors
2x DVI, 1x S-Video
1x DVI, 1x VGA, 1x S-Video
DirectX
9.0c (9_3)
9.0a
OpenCL
N/A
N/A
OpenGL
2.1
1.5 (2.1)
Shader Model
3.0
-
Vulkan
N/A
N/A