Radeon Pro 580 and Radeon Pro 555X - video card comparison
Passmark - benchmark score Radeon Pro 580 vs Radeon Pro 555X
Radeon Pro 580
7986
Radeon Pro 555X
3332
Radeon Pro 580
Radeon Pro 555X
Architecture
GCN 4.0 (2016−2020)
Polaris (2016−2019)
GPU code name
Polaris 20
Polaris 21
Market segment
Mobile workstation
Mobile workstation
Release date
June 2017
June 2017
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
None
None
Boost clock speed
1200 MHz
-
Core clock speed
1100 MHz
855 MHz
Floating-point performance
6,175 gflops
-
Manufacturing process technology
14 nm
14 nm
Number of transistors
5,700 million
3,000 million
Pipelines / CUDA cores
2304
768
Power consumption (TDP)
150 Watt
-
Texture fill rate
172.8
43.54
Memory type
GDDR5
GDDR5
Maximum RAM amount
8 GB
4 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
6780 MHz
5080 MHz
Memory bandwidth
217.0 GB/s
81.6 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
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
-
+