Radeon 540 and GeForce GT 640 - video card comparison
Passmark - benchmark score Radeon 540 vs GeForce GT 640
Radeon 540
1420
GeForce GT 640
1210
Radeon 540
GeForce GT 640
Architecture
GCN 4.0 (2016−2020)
Kepler (2012−2018)
GPU code name
Lexa
GK107
Market segment
Desktop
Desktop
Release date
April 2017
June 2012
Interface
PCIe 3.0 x8
PCIe 3.0 x16
Supplementary power connectors
None
None
Boost clock speed
1124 MHz
-
Core clock speed
1183 MHz
902 MHz
Floating-point performance
-
692.7 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
2,200 million
1,270 million
Pipelines / CUDA cores
384
384
Power consumption (TDP)
50 Watt
65 Watt
Texture fill rate
28.39
28.86
Memory type
GDDR5
DDR3
Maximum RAM amount
1 GB
2 GB
Memory bus width
32 Bit
128 Bit
Memory clock speed
6 GB/s
1782 MHz
Memory bandwidth
24 GB/s
28.51 GB/s
Display Connectors
2x DisplayPort 1.4a
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
-
+
DirectX
12 (12_0)
12 (11_0)
CUDA
-
3.0
OpenCL
2.1
1.2
OpenGL
4.6
4.6
Shader Model
6.7
5.1
Vulkan
1.3
1.1.126