
Radeon Pro 555 and Spectre - video card comparison
Radeon Pro 555
Spectre
Architecture
Polaris (2016−2019)
GCN 2.0 (2013−2017)
GPU code name
Polaris 21
Spectre
Market segment
Mobile workstation
Desktop
Release date
June 2017
-
Interface
PCIe 3.0 x8
-
Supplementary power connectors
None
-
Core clock speed
855 MHz
-
Floating-point performance
1,306 gflops
-
Manufacturing process technology
14 nm
28 nm
Number of transistors
3,000 million
2,410 million
Pipelines / CUDA cores
768
512
Texture fill rate
40.80
-
Memory type
GDDR5
-
Maximum RAM amount
2 GB
-
Memory bus width
128 Bit
-
Memory clock speed
5080 MHz
-
Memory bandwidth
81.6 GB/s
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Shared memory
-
-
Display Connectors
No outputs
-
DirectX
12 (12_0)
12 (12_0)
OpenCL
2.0
2.1
OpenGL
4.6
4.6
Shader Model
6.4
6.5
Vulkan
1.2.131
1.2.170
FreeSync
+
-