Radeon HD 3870 X2 and GeForce GT 630 - video card comparison
Passmark - benchmark score Radeon HD 3870 X2 vs GeForce GT 630
Radeon HD 3870 X2
729
GeForce GT 630
697
Radeon HD 3870 X2
GeForce GT 630
Architecture
TeraScale (2005−2013)
Fermi (2010−2014)
GPU code name
R680
GF108
Market segment
Desktop
Desktop
Release date
January 2008
May 2012
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin + 1x 8-pin
None
Core clock speed
825 MHz
810 MHz
Floating-point performance
2x 528.0 gflops
311.0 gflops
Manufacturing process technology
55 nm
40 nm
Number of transistors
666 million
585 million
Pipelines / CUDA cores
320
96
Power consumption (TDP)
165 Watt
65 Watt
Texture fill rate
13.20
12.96
Memory type
GDDR3
DDR3
Maximum RAM amount
512 MB
2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
1802 MHz
1800 MHz
Memory bandwidth
57.66 GB/s
28.8 GB/s
Display Connectors
2x DVI, 1x S-Video
1x DVI, 1x HDMI, 1x VGA
HDMI
-
+
DirectX
10.1 (10_1)
12 (11_0)
CUDA
-
2.1
OpenCL
N/A
1.1
OpenGL
3.3
4.6
Shader Model
4.1
5.1
Vulkan
N/A
N/A