Radeon HD 3870 X2 and GeForce 7800 GTX - video card comparison
Passmark - benchmark score Radeon HD 3870 X2 vs GeForce 7800 GTX
Radeon HD 3870 X2
729
GeForce 7800 GTX
299
Radeon HD 3870 X2
GeForce 7800 GTX
Architecture
TeraScale (2005−2013)
Curie (2003−2013)
GPU code name
R680
G70
Market segment
Desktop
Desktop
Release date
January 2008
June 2005
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
1x 6-pin + 1x 8-pin
-
Core clock speed
825 MHz
430 MHz
Floating-point performance
2x 528.0 gflops
-
Manufacturing process technology
55 nm
110 nm
Number of transistors
666 million
302 million
Pipelines / CUDA cores
320
-
Power consumption (TDP)
165 Watt
86 Watt
Texture fill rate
13.20
10.32
Memory type
GDDR3
GDDR3
Maximum RAM amount
512 MB
256 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
1802 MHz
1200 MHz
Memory bandwidth
57.66 GB/s
38.4 GB/s
Display Connectors
2x DVI, 1x S-Video
2x DVI, 1x S-Video
DirectX
10.1 (10_1)
9.0c (9_3)
OpenCL
N/A
N/A
OpenGL
3.3
2.1
Shader Model
4.1
3.0
Vulkan
N/A
N/A