GeForce 8800 GTX and Radeon HD 2900 XT - video card comparison
Passmark - benchmark score GeForce 8800 GTX vs Radeon HD 2900 XT
GeForce 8800 GTX
608
Radeon HD 2900 XT
679
GeForce 8800 GTX
Radeon HD 2900 XT
Architecture
Tesla (2006−2010)
TeraScale (2005−2013)
GPU code name
G80
R600
Market segment
Desktop
Desktop
Release date
November 2006
May 2007
Interface
PCIe 1.0 x16
PCIe 1.0 x16
Supplementary power connectors
2x 6-pin
1x 6-pin + 1x 8-pin
SLI options
+
-
Core clock speed
576 MHz
743 MHz
CUDA cores
575
-
Floating-point performance
345.6 gflops
475.5 gflops
Manufacturing process technology
90 nm
80 nm
Number of transistors
681 million
720 million
Pipelines / CUDA cores
128
320
Power consumption (TDP)
155 Watt
215 Watt
Texture fill rate
36.8 billion/sec
11.89
Memory type
GDDR3
GDDR3
Maximum RAM amount
768 MB
512 MB
Memory bus width
384 Bit
512 Bit
Memory clock speed
900 MHz
1656 MHz
Memory bandwidth
86.4 GB/s
106.0 GB/s
Display Connectors
2x DVI, 1x S-Video
2x DVI, 1x S-Video
DirectX
11.1 (10_0)
10.0 (10_0)
CUDA
+
-
OpenCL
1.1
N/A
OpenGL
3.3
3.3
Shader Model
4.0
4.0
Vulkan
N/A
N/A