GeForce GT 640 and Radeon 630 - video card comparison
Passmark - benchmark score GeForce GT 640 vs Radeon 630
GeForce GT 640
1209
Radeon 630
1332
GeForce GT 640
Radeon 630
Architecture
Kepler (2012−2018)
GCN 1.0 (2012−2020)
GPU code name
GK107
Lexa
Market segment
Desktop
Laptop
Release date
June 2012
August 2019
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
None
None
Boost clock speed
-
1219 MHz
Core clock speed
902 MHz
-
Floating-point performance
692.7 gflops
-
Manufacturing process technology
28 nm
14 nm
Number of transistors
1,270 million
2,200 million
Pipelines / CUDA cores
384
512
Power consumption (TDP)
65 Watt
50 Watt
Texture fill rate
28.86
38.98
Memory type
DDR3
GDDR5
Maximum RAM amount
2 GB
4 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1782 MHz
6000 MHz
Memory bandwidth
28.51 GB/s
112.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
+
+
DirectX
12 (11_0)
12
CUDA
3.0
-
OpenCL
1.2
-
OpenGL
4.6
4.6
Shader Model
5.1
-
Vulkan
1.1.126
+