GeForce GT 630 and Radeon R9 255 OEM - video card comparison
GeForce GT 630
Radeon R9 255 OEM
Architecture
Fermi (2010−2014)
GCN 1.0 (2012−2020)
GPU code name
GF108
Cape Verde
Market segment
Desktop
Desktop
Release date
May 2012
December 2013
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
1x 6-pin
Boost clock speed
-
930 MHz
Core clock speed
810 MHz
900 MHz
Floating-point performance
311.0 gflops
952.3 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
585 million
1,500 million
Pipelines / CUDA cores
96
512
Power consumption (TDP)
65 Watt
65 Watt
Texture fill rate
12.96
29.76
Memory type
DDR3
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1800 MHz
4600 MHz
Memory bandwidth
28.8 GB/s
73.6 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
No outputs
HDMI
+
-
DirectX
12 (11_0)
12 (11_1)
CUDA
2.1
-
OpenCL
1.1
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
N/A
1.2.131