
Radeon Pro 555X and Radeon Pro 450 - video card comparison
Passmark - benchmark score Radeon Pro 555X vs Radeon Pro 450
Radeon Pro 555X
3332
Radeon Pro 450
2804
Radeon Pro 555X
Radeon Pro 450
Architecture
Polaris (2016−2019)
Polaris (2016−2019)
GPU code name
Polaris 21
Polaris 11
Market segment
Mobile workstation
Mobile workstation
Release date
June 2017
October 2016
Interface
PCIe 3.0 x8
PCIe 3.0 x8
Supplementary power connectors
None
-
Core clock speed
855 MHz
800 MHz
Floating-point performance
-
1,024 gflops
Manufacturing process technology
14 nm
14 nm
Number of transistors
3,000 million
3,000 million
Pipelines / CUDA cores
768
640
Power consumption (TDP)
-
75 Watt
Texture fill rate
43.54
32.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
5080 MHz
5080 MHz
Memory bandwidth
81.6 GB/s
81.28 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
+
+