Radeon 660M and Radeon Graphics 448SP Mobile - video card comparison
Radeon 660M
Radeon Graphics 448SP Mobile
Architecture
RDNA 2 (2020−2022)
GCN 5.1 (2018−2021)
GPU code name
RDNA 2 Rembrandt
Barcelo
Market segment
Laptop
Laptop
Release date
January 2022
January 2022
Interface
PCIe 4.0 x8
IGP
Supplementary power connectors
None
-
Boost clock speed
1900 MHz
1800 MHz
Manufacturing process technology
6 nm
7 nm
Number of transistors
13,100 million
10,700 million
Pipelines / CUDA cores
384
448
Power consumption (TDP)
45 Watt
45 Watt
Texture fill rate
45.60
50.40
Memory type
System Shared
System Shared
Maximum RAM amount
System Shared
System Shared
Memory bus width
System Shared
System Shared
Memory clock speed
System Shared
System Shared
Shared memory
-
-
Display Connectors
No outputs
Portable Device Dependent
DirectX
12 (12_1)
12 (12_1)
OpenCL
2.0
2.1
OpenGL
4.6
4.6
Shader Model
6.5
6.7 (6.4)
Vulkan
1.2
1.3