GeForce GT 640 and Radeon 625 - video card comparison
Passmark - benchmark score GeForce GT 640 vs Radeon 625
GeForce GT 640
1210
Radeon 625
1107
GeForce GT 640
Radeon 625
Architecture
Kepler (2012−2018)
GCN 1.0 (2012−2020)
GPU code name
GK107
Polaris 24
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
-
1024 MHz
Core clock speed
902 MHz
-
Floating-point performance
692.7 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,270 million
1,550 million
Pipelines / CUDA cores
384
384
Power consumption (TDP)
65 Watt
50 Watt
Texture fill rate
28.86
24.58
Memory type
DDR3
DDR3, GDDR5
Maximum RAM amount
2 GB
4 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1782 MHz
2250 MHz
Memory bandwidth
28.51 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (11_0)
12 (12_0)
CUDA
3.0
-
OpenCL
1.2
2.0
OpenGL
4.6
4.6
Shader Model
5.1
6.3
Vulkan
1.1.126
1.2.131