Radeon Pro 455 and Quadro M620 - video card comparison
Passmark - benchmark score Radeon Pro 455 vs Quadro M620
Radeon Pro 455
3205
Quadro M620
2882
Radeon Pro 455
Quadro M620
Architecture
Polaris (2016−2019)
Maxwell (2014−2018)
GPU code name
Polaris 11
GM107
Market segment
Mobile workstation
Mobile workstation
Release date
October 2016
January 2017
Interface
PCIe 3.0 x8
MXM-A (3.0)
Supplementary power connectors
None
None
Boost clock speed
-
977 MHz
Core clock speed
855 MHz
1018 MHz
Floating-point performance
1,313 gflops
-
Manufacturing process technology
14 nm
28 nm
Number of transistors
3,000 million
1,870 million
Pipelines / CUDA cores
768
512
Power consumption (TDP)
-
30 Watt
Texture fill rate
41.04
31.26
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
5000 MHz
5012 MHz
Memory bandwidth
81.28 GB/s
80 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
Display Port
-
1.2
DirectX
12 (12_0)
12
CUDA
-
5.0
OpenCL
2.0
1.2
OpenGL
4.6
4.5
Shader Model
6.4
5.0
Vulkan
1.2.131
1.1.126
3D Stereo
-
+
FreeSync
+
-
Mosaic
-
+
nView Display Management
-
+
Optimus
-
+