GeForce GT 640 and Radeon R9 A375 - video card comparison
Passmark - benchmark score GeForce GT 640 vs Radeon R9 A375
GeForce GT 640
1209
Radeon R9 A375
1055
GeForce GT 640
Radeon R9 A375
Architecture
Kepler (2012−2018)
GCN 1.0 (2012−2020)
GPU code name
GK107
Venus
Market segment
Desktop
Desktop
Release date
June 2012
2015
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
-
Boost clock speed
-
925 MHz
Core clock speed
902 MHz
1015 MHz
Floating-point performance
692.7 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,270 million
1,500 million
Pipelines / CUDA cores
384
640
Power consumption (TDP)
65 Watt
-
Texture fill rate
28.86
40.60
Memory type
DDR3
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1782 MHz
4.5 GB/s
Memory bandwidth
28.51 GB/s
72 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
Portable Device Dependent
HDMI
+
-
DirectX
12 (11_0)
12 (11_1)
CUDA
3.0
-
OpenCL
1.2
2.1 (1.2)
OpenGL
4.6
4.6
Shader Model
5.1
6.5 (5.1)
Vulkan
1.1.126
1.2.170