GeForce GT 630 Rev. 2 and Radeon R5 A255 - video card comparison
GeForce GT 630 Rev. 2
Radeon R5 A255
Architecture
Kepler 2.0 (2013−2015)
GCN 3.0 (2014−2017)
GPU code name
GK208
Topaz
Market segment
Desktop
Desktop
Release date
May 2013
2014
Interface
PCIe 2.0 x8
PCIe 3.0 x8
Supplementary power connectors
None
-
Boost clock speed
-
940 MHz
Core clock speed
902 MHz
925 MHz
Floating-point performance
692.7 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
915 million
1,550 million
Pipelines / CUDA cores
384
384
Power consumption (TDP)
25 Watt
-
Texture fill rate
28.86
22.56
Memory type
DDR3
GDDR5
Maximum RAM amount
2 GB
1 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
1800 MHz
4 GB/s
Memory bandwidth
14.4 GB/s
64 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
Portable Device Dependent
HDMI
+
-
DirectX
12 (11_0)
12 (12_0)
CUDA
3.5
-
OpenCL
1.2
2.1
OpenGL
4.6
4.6
Shader Model
5.1
6.5
Vulkan
1.1.126
1.2.170