GeForce 6800 Ultra and Quadro FX 4400G - video card comparison
GeForce 6800 Ultra
Quadro FX 4400G
Architecture
Curie (2003−2013)
Curie (2003−2013)
GPU code name
NV45
NV45
Market segment
Desktop
Workstation
Release date
July 2004
July 2005
Interface
PCIe 1.0 x16
PCIe 1.0 x16
Supplementary power connectors
1x 6-pin
1x 6-pin
Core clock speed
425 MHz
375 MHz
Manufacturing process technology
130 nm
130 nm
Number of transistors
222 million
222 million
Power consumption (TDP)
81 Watt
83 Watt
Texture fill rate
6.800
4.500
Memory type
GDDR3
GDDR3
Maximum RAM amount
256 MB
512 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
1100 MHz
1050 MHz
Memory bandwidth
35.2 GB/s
33.6 GB/s
Display Connectors
2x DVI, 1x S-Video
2x DVI, 1x S-Video
DirectX
9.0c (9_3)
9.0c (9_3)
OpenCL
N/A
N/A
OpenGL
2.1
2.1
Shader Model
3.0
3.0
Vulkan
N/A
N/A