Radeon HD 5970 and GeForce 6800 Ultra DDL - video card comparison
Radeon HD 5970
GeForce 6800 Ultra DDL
Architecture
TeraScale 2 (2009−2015)
Curie (2003−2013)
GPU code name
Hemlock
NV40
Market segment
Desktop
Desktop
Release date
November 2009
April 2004
Interface
PCIe 2.0 x16
AGP Pro 8x
Supplementary power connectors
1x 6-pin + 1x 8-pin
None
Core clock speed
725 MHz
400 MHz
Floating-point performance
2x 2,320.0 gflops
-
Manufacturing process technology
40 nm
130 nm
Number of transistors
2,154 million
222 million
Pipelines / CUDA cores
1600
-
Power consumption (TDP)
294 Watt
100 Watt
Texture fill rate
58.00
6.400
Memory type
GDDR5
GDDR3
Maximum RAM amount
1 GB
256 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
4000 MHz
1100 MHz
Memory bandwidth
128.0 GB/s
35.2 GB/s
Display Connectors
2x DVI, 1x mini-DisplayPort
2x DVI
DirectX
11.2 (11_0)
9.0c (9_3)
OpenCL
1.2
N/A
OpenGL
4.4
2.1
Shader Model
5.0
3.0
Vulkan
N/A
N/A