Radeon 540 and GeForce GT 420 OEM - video card comparison
Radeon 540
GeForce GT 420 OEM
Architecture
GCN 4.0 (2016−2020)
Fermi (2010−2014)
GPU code name
Lexa
GF108
Market segment
Desktop
Desktop
Release date
April 2017
September 2010
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Supplementary power connectors
None
None
Boost clock speed
1124 MHz
-
Core clock speed
1183 MHz
700 MHz
Floating-point performance
-
134.4 gflops
Manufacturing process technology
14 nm
40 nm
Number of transistors
2,200 million
585 million
Pipelines / CUDA cores
384
48
Power consumption (TDP)
50 Watt
50 Watt
Texture fill rate
28.39
2.800
Memory type
GDDR5
DDR3
Maximum RAM amount
1 GB
1 GB
Memory bus width
32 Bit
128 Bit
Memory clock speed
6 GB/s
1800 MHz
Memory bandwidth
24 GB/s
28.8 GB/s
Display Connectors
2x DisplayPort 1.4a
1x DVI, 1x HDMI, 1x VGA
HDMI
-
+
DirectX
12 (12_0)
12 (11_0)
CUDA
-
2.1
OpenCL
2.1
1.1
OpenGL
4.6
4.6
Shader Model
6.7
5.1
Vulkan
1.3
N/A