Radeon Pro 580 and Radeon 660M - video card comparison
Passmark - benchmark score Radeon Pro 580 vs Radeon 660M
Radeon Pro 580
7986
Radeon 660M
6474
Radeon Pro 580
Radeon 660M
Architecture
GCN 4.0 (2016−2020)
RDNA 2 (2020−2022)
GPU code name
Polaris 20
RDNA 2 Rembrandt
Market segment
Mobile workstation
Laptop
Release date
June 2017
January 2022
Interface
PCIe 3.0 x16
PCIe 4.0 x8
Supplementary power connectors
None
None
Boost clock speed
1200 MHz
1900 MHz
Core clock speed
1100 MHz
-
Floating-point performance
6,175 gflops
-
Manufacturing process technology
14 nm
6 nm
Number of transistors
5,700 million
13,100 million
Pipelines / CUDA cores
2304
384
Power consumption (TDP)
150 Watt
45 Watt
Texture fill rate
172.8
45.60
Memory type
GDDR5
System Shared
Maximum RAM amount
8 GB
System Shared
Memory bus width
256 Bit
System Shared
Memory clock speed
6780 MHz
System Shared
Memory bandwidth
217.0 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