GeForce 7800 GT and Radeon HD 2900 XT - video card comparison
Passmark - benchmark score GeForce 7800 GT vs Radeon HD 2900 XT
GeForce 7800 GT
251
Radeon HD 2900 XT
679
GeForce 7800 GT
Radeon HD 2900 XT
Architecture
Curie (2003−2013)
TeraScale (2005−2013)
GPU code name
G70
R600
Market segment
Desktop
Desktop
Release date
August 2005
May 2007
Interface
PCIe 1.0 x16
PCIe 1.0 x16
Supplementary power connectors
1x 6-pin
1x 6-pin + 1x 8-pin
Core clock speed
400 MHz
743 MHz
Floating-point performance
-
475.5 gflops
Manufacturing process technology
110 nm
80 nm
Number of transistors
302 million
720 million
Pipelines / CUDA cores
-
320
Power consumption (TDP)
65 Watt
215 Watt
Texture fill rate
8.000
11.89
Memory type
GDDR3
GDDR3
Maximum RAM amount
256 MB
512 MB
Memory bus width
256 Bit
512 Bit
Memory clock speed
1000 MHz
1656 MHz
Memory bandwidth
32 GB/s
106.0 GB/s
Display Connectors
2x DVI, 1x S-Video
2x DVI, 1x S-Video
DirectX
9.0c (9_3)
10.0 (10_0)
OpenCL
N/A
N/A
OpenGL
2.1
3.3
Shader Model
3.0
4.0
Vulkan
N/A
N/A