Radeon 660M and Arc A580 - video card comparison
Passmark - benchmark score Radeon 660M vs Arc A580
Radeon 660M
6474
Arc A580
11932
Radeon 660M
Arc A580
Architecture
RDNA 2 (2020−2022)
-
GPU code name
RDNA 2 Rembrandt
DG2-512
Market segment
Laptop
Desktop
Release date
January 2022
October 2023
Interface
PCIe 4.0 x8
PCIe 4.0 x16
Supplementary power connectors
None
2x 8-pin
Boost clock speed
1900 MHz
2000 MHz
Core clock speed
-
1700 MHz
Manufacturing process technology
6 nm
6 nm
Number of transistors
13,100 million
21,700 million
Pipelines / CUDA cores
384
3072
Power consumption (TDP)
45 Watt
175 Watt
Texture fill rate
45.60
384.0
Memory type
System Shared
GDDR6
Maximum RAM amount
System Shared
8 GB
Memory bus width
System Shared
256 Bit
Memory clock speed
System Shared
16000 MHz
Memory bandwidth
-
512.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x HDMI 2.1, 3x DisplayPort 2.0
HDMI
-
+
DirectX
12 (12_1)
12 Ultimate (12_2)
OpenCL
2.0
3.0
OpenGL
4.6
4.6
Shader Model
6.5
6.6
Vulkan
1.2
1.3