Radeon RX 540 and GeForce GT 640 - video card comparison
Passmark - benchmark score Radeon RX 540 vs GeForce GT 640
Radeon RX 540
2872
GeForce GT 640
1209
Radeon RX 540
GeForce GT 640
Architecture
Polaris (2016−2019)
Kepler (2012−2018)
GPU code name
Polaris 12
GK107
Market segment
Laptop
Desktop
Release date
March 2017
June 2012
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin
None
Boost clock speed
1219 MHz
-
Core clock speed
-
902 MHz
Floating-point performance
1,248 gflops
692.7 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
1,500 million
1,270 million
Pipelines / CUDA cores
512
384
Power consumption (TDP)
75 Watt
65 Watt
Texture fill rate
39.01
28.86
Memory type
GDDR5
DDR3
Maximum RAM amount
4 GB
2 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
6000 MHz
1782 MHz
Memory bandwidth
96 GB/s
28.51 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
-
+
DirectX
12.0
12 (11_0)
CUDA
-
3.0
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.0
5.1
Vulkan
-
1.1.126
FreeSync
+
-