Radeon 540 and Radeon RX 540X - video card comparison
Radeon 540
Radeon RX 540X
Architecture
GCN 4.0 (2016−2020)
GCN 4.0 (2016−2020)
GPU code name
Lexa
Polaris 12
Market segment
Desktop
Laptop
Release date
April 2017
March 2018
Interface
PCIe 3.0 x8
PCIe 3.0 x8
Supplementary power connectors
None
None
Boost clock speed
1124 MHz
1219 MHz
Core clock speed
1183 MHz
-
Manufacturing process technology
14 nm
14 nm
Number of transistors
2,200 million
2,200 million
Pipelines / CUDA cores
384
512
Power consumption (TDP)
50 Watt
50 Watt
Texture fill rate
28.39
35.97
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
4 GB
Memory bus width
32 Bit
128 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
-
+