
Radeon HD 3870 X2 and GeForce 8800 GTS 512 - video card comparison
Passmark - benchmark score Radeon HD 3870 X2 vs GeForce 8800 GTS 512
Radeon HD 3870 X2
729
GeForce 8800 GTS 512
585
Radeon HD 3870 X2
GeForce 8800 GTS 512
Architecture
TeraScale (2005−2013)
Tesla (2006−2010)
GPU code name
R680
G92
Market segment
Desktop
Desktop
Release date
January 2008
December 2007
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin + 1x 8-pin
1x 6-pin
Core clock speed
825 MHz
650 MHz
Floating-point performance
2x 528.0 gflops
416.0 gflops
Manufacturing process technology
55 nm
65 nm
Number of transistors
666 million
754 million
Pipelines / CUDA cores
320
128
Power consumption (TDP)
165 Watt
135 Watt
Texture fill rate
13.20
41.60
Memory type
GDDR3
GDDR3
Maximum RAM amount
512 MB
512 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
1802 MHz
1640 MHz
Memory bandwidth
57.66 GB/s
52.48 GB/s
Display Connectors
2x DVI, 1x S-Video
2x DVI, 1x S-Video
DirectX
10.1 (10_1)
11.1 (10_0)
CUDA
-
1.1
OpenCL
N/A
1.1
OpenGL
3.3
3.3
Shader Model
4.1
4.0
Vulkan
N/A
N/A