Radeon Pro 555 and Radeon 550X - video card comparison
Passmark - benchmark score Radeon Pro 555 vs Radeon 550X
Radeon Pro 555
3234
Radeon 550X
1472
Radeon Pro 555
Radeon 550X
Architecture
Polaris (2016−2019)
GCN 4.0 (2016−2020)
GPU code name
Polaris 21
Lexa
Market segment
Mobile workstation
Desktop
Release date
June 2017
March 2019
Interface
PCIe 3.0 x8
PCIe 3.0 x8
Supplementary power connectors
None
None
Boost clock speed
-
1218 MHz
Core clock speed
855 MHz
1082 MHz
Floating-point performance
1,306 gflops
-
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
40.80
38.98
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
5080 MHz
7000 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
+
-