Radeon 540 and Radeon 620 - video card comparison
Passmark - benchmark score Radeon 540 vs Radeon 620
Radeon 540
1420
Radeon 620
924
Radeon 540
Radeon 620
Architecture
GCN 4.0 (2016−2020)
GCN 1.0 (2012−2020)
GPU code name
Lexa
Polaris 24
Market segment
Desktop
Laptop
Release date
April 2017
August 2019
Interface
PCIe 3.0 x8
PCIe 3.0 x8
Supplementary power connectors
None
None
Boost clock speed
1124 MHz
1024 MHz
Core clock speed
1183 MHz
-
Manufacturing process technology
14 nm
28 nm
Number of transistors
2,200 million
1,550 million
Pipelines / CUDA cores
384
384
Power consumption (TDP)
50 Watt
50 Watt
Texture fill rate
28.39
24.58
Memory type
GDDR5
DDR3, GDDR5
Maximum RAM amount
1 GB
4 GB
Memory bus width
32 Bit
64 Bit
Memory clock speed
6 GB/s
2250 MHz
Memory bandwidth
24 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
2x DisplayPort 1.4a
No outputs
DirectX
12 (12_0)
12 (12_0)
OpenCL
2.1
2.0
OpenGL
4.6
4.6
Shader Model
6.7
6.3
Vulkan
1.3
1.2.131