
Radeon HD 2900 GT and GeForce 8800 GTS 320 - video card comparison
Radeon HD 2900 GT
GeForce 8800 GTS 320
Architecture
TeraScale (2005−2013)
Tesla (2006−2010)
GPU code name
R600
G80
Market segment
Desktop
Desktop
Release date
November 2007
February 2007
Interface
PCIe 1.0 x16
PCIe 1.0 x16
Supplementary power connectors
1x 8-pin
1x 6-pin
Core clock speed
601 MHz
513 MHz
Floating-point performance
288.48 gflops
228.1 gflops
Manufacturing process technology
80 nm
90 nm
Number of transistors
720 million
681 million
Pipelines / CUDA cores
240
96
Power consumption (TDP)
150 Watt
143 Watt
Texture fill rate
7.212
24.62
Memory type
GDDR3
GDDR3
Maximum RAM amount
256 MB
320 MB
Memory bus width
256 Bit
320 Bit
Memory clock speed
1600 MHz
1584 MHz
Memory bandwidth
51.2 GB/s
63.36 GB/s
Display Connectors
2x DVI, 1x S-Video
2x DVI, 1x S-Video
DirectX
10.0 (10_0)
11.1 (10_0)
CUDA
-
+
OpenCL
N/A
1.1
OpenGL
3.3
3.3
Shader Model
4.0
4.0
Vulkan
N/A
N/A