GeForce 7900 GTX and Radeon HD 3870 - video card comparison
Passmark - benchmark score GeForce 7900 GTX vs Radeon HD 3870
GeForce 7900 GTX
399
Radeon HD 3870
572
GeForce 7900 GTX
Radeon HD 3870
Architecture
Curie (2003−2013)
TeraScale (2005−2013)
GPU code name
G71
RV670
Market segment
Desktop
Desktop
Release date
March 2006
November 2007
Interface
PCIe 1.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
1x 6-pin
Core clock speed
650 MHz
777 MHz
Floating-point performance
-
497.3 gflops
Manufacturing process technology
90 nm
55 nm
Number of transistors
278 million
666 million
Pipelines / CUDA cores
-
320
Power consumption (TDP)
84 Watt
106 Watt
Texture fill rate
15.60
12.43
Memory type
GDDR3
GDDR4
Maximum RAM amount
512 MB
512 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
1600 MHz
2252 MHz
Memory bandwidth
51.2 GB/s
72.06 GB/s
Display Connectors
2x DVI, 1x S-Video
2x DVI, 1x S-Video
DirectX
9.0c (9_3)
10.1 (10_1)
OpenCL
N/A
N/A
OpenGL
2.1
3.3
Shader Model
3.0
4.1
Vulkan
N/A
N/A