Radeon Pro 455 and Radeon 660M - video card comparison
Passmark - benchmark score Radeon Pro 455 vs Radeon 660M
Radeon Pro 455
3205
Radeon 660M
6474
Radeon Pro 455
Radeon 660M
Architecture
Polaris (2016−2019)
RDNA 2 (2020−2022)
GPU code name
Polaris 11
RDNA 2 Rembrandt
Market segment
Mobile workstation
Laptop
Release date
October 2016
January 2022
Interface
PCIe 3.0 x8
PCIe 4.0 x8
Supplementary power connectors
None
None
Boost clock speed
-
1900 MHz
Core clock speed
855 MHz
-
Floating-point performance
1,313 gflops
-
Manufacturing process technology
14 nm
6 nm
Number of transistors
3,000 million
13,100 million
Pipelines / CUDA cores
768
384
Power consumption (TDP)
-
45 Watt
Texture fill rate
41.04
45.60
Memory type
GDDR5
System Shared
Maximum RAM amount
2 GB
System Shared
Memory bus width
128 Bit
System Shared
Memory clock speed
5000 MHz
System Shared
Memory bandwidth
81.28 GB/s
-
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (12_0)
12 (12_1)
OpenCL
2.0
2.0
OpenGL
4.6
4.6
Shader Model
6.4
6.5
Vulkan
1.2.131
1.2
FreeSync
+
-