
Radeon Pro 555X and Xbox Series X GPU - video card comparison
Radeon Pro 555X
Xbox Series X GPU
Architecture
Polaris (2016−2019)
RDNA 2.0 (2020−2022)
GPU code name
Polaris 21
Scarlett
Market segment
Mobile workstation
Desktop
Release date
June 2017
November 2020
Interface
PCIe 3.0 x8
IGP
Supplementary power connectors
None
-
Boost clock speed
-
1725 MHz
Core clock speed
855 MHz
1825 MHz
Manufacturing process technology
14 nm
7 nm
Number of transistors
3,000 million
15,300 million
Pipelines / CUDA cores
768
3328
Power consumption (TDP)
-
200 Watt
Texture fill rate
43.54
379.6
Memory type
GDDR5
GDDR6
Maximum RAM amount
4 GB
10 GB
Memory bus width
128 Bit
320 Bit
Memory clock speed
5080 MHz
14 GB/s
Memory bandwidth
81.6 GB/s
560.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenCL
2.0
1.2
OpenGL
4.6
4.6
Shader Model
6.4
6.5
Vulkan
1.2.131
1.2
FreeSync
+
-