Radeon Pro 555X and Radeon 540X - video card comparison
Passmark - benchmark score Radeon Pro 555X vs Radeon 540X
Radeon Pro 555X
3332
Radeon 540X
1472
Radeon Pro 555X
Radeon 540X
Architecture
Polaris (2016−2019)
GCN 4.0 (2016−2020)
GPU code name
Polaris 21
Lexa
Market segment
Mobile workstation
Laptop
Release date
June 2017
August 2019
Interface
PCIe 3.0 x8
PCIe 3.0 x8
Supplementary power connectors
None
None
Boost clock speed
-
1219 MHz
Core clock speed
855 MHz
-
Manufacturing process technology
14 nm
14 nm
Number of transistors
3,000 million
2,200 million
Pipelines / CUDA cores
768
512
Power consumption (TDP)
-
50 Watt
Texture fill rate
43.54
33.47
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
5080 MHz
6000 MHz
Memory bandwidth
81.6 GB/s
112.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
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
+
-