Radeon RX 550 and Radeon RX 540X - video card comparison
Radeon RX 550
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
1183 MHz
1219 MHz
Core clock speed
1100 MHz
-
Floating-point performance
1,211 gflops
-
Manufacturing process technology
14 nm
14 nm
Number of transistors
2,200 million
2,200 million
Pipelines / CUDA cores
512
512
Power consumption (TDP)
50 Watt
50 Watt
Texture fill rate
37.86
35.97
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
4 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
7000 MHz
6000 MHz
Memory bandwidth
112.0 GB/s
112.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
+
+
DirectX
12 (12_0)
12 (12_0)
OpenCL
2.0
2.0
OpenGL
4.6
4.6
Shader Model
6.4
6.4
Vulkan
1.2.131
1.2.131
FreeSync
-
+