Radeon 540 and Radeon RX 640 - video card comparison
Passmark - benchmark score Radeon 540 vs Radeon RX 640
Radeon 540
1420
Radeon RX 640
2020
Radeon 540
Radeon RX 640
Architecture
GCN 4.0 (2016−2020)
Polaris (2016−2019)
GPU code name
Lexa
Polaris 12
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
1218 MHz
Core clock speed
1183 MHz
1218 MHz
Manufacturing process technology
14 nm
14 nm
Number of transistors
2,200 million
2,200 million
Pipelines / CUDA cores
384
640
Power consumption (TDP)
50 Watt
50 Watt
Texture fill rate
28.39
38.98
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
4 GB
Memory bus width
32 Bit
64 Bit
Memory clock speed
6 GB/s
6000 MHz
Memory bandwidth
24 GB/s
112.0 GB/s
Shared memory
-
-
Display Connectors
2x DisplayPort 1.4a
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
-
+
DirectX
12 (12_0)
12 (12_0)
OpenCL
2.1
2.0
OpenGL
4.6
4.6
Shader Model
6.7
6.4
Vulkan
1.3
1.2.131
FreeSync
-
+