Radeon RX 540 and Radeon RX 640 - video card comparison
Passmark - benchmark score Radeon RX 540 vs Radeon RX 640
Radeon RX 540
2872
Radeon RX 640
2020
Radeon RX 540
Radeon RX 640
Architecture
Polaris (2016−2019)
Polaris (2016−2019)
GPU code name
Polaris 12
Polaris 12
Market segment
Laptop
Laptop
Release date
March 2017
August 2019
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
1x 6-pin
None
Boost clock speed
1219 MHz
1218 MHz
Core clock speed
-
1218 MHz
Floating-point performance
1,248 gflops
-
Manufacturing process technology
14 nm
14 nm
Number of transistors
1,500 million
2,200 million
Pipelines / CUDA cores
512
640
Power consumption (TDP)
75 Watt
50 Watt
Texture fill rate
39.01
38.98
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
4 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
6000 MHz
6000 MHz
Memory bandwidth
96 GB/s
112.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
-
+
DirectX
12.0
12 (12_0)
OpenCL
1.2
2.0
OpenGL
4.6
4.6
Shader Model
5.0
6.4
Vulkan
-
1.2.131
FreeSync
+
+