Radeon HD 6390 and GeForce GT 630 Rev. 2 - video card comparison
Radeon HD 6390
GeForce GT 630 Rev. 2
Architecture
TeraScale 2 (2009−2015)
Kepler 2.0 (2013−2015)
GPU code name
Redwood
GK208
Market segment
Desktop
Desktop
Release date
July 2011
May 2013
Interface
PCIe 2.0 x16
PCIe 2.0 x8
Supplementary power connectors
None
None
Core clock speed
550 MHz
902 MHz
Floating-point performance
352.0 gflops
692.7 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
627 million
915 million
Pipelines / CUDA cores
320
384
Power consumption (TDP)
39 Watt
25 Watt
Texture fill rate
8.800
28.86
Memory type
DDR2
DDR3
Maximum RAM amount
1 GB
2 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1000 MHz
1800 MHz
Memory bandwidth
16 GB/s
14.4 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
1x DVI, 1x HDMI, 1x VGA
HDMI
+
+
DirectX
11.2 (11_0)
12 (11_0)
CUDA
-
3.5
OpenCL
1.2
1.2
OpenGL
4.4
4.6
Shader Model
5.0
5.1
Vulkan
N/A
1.1.126