Radeon 660M and GeForce MX450 12W - video card comparison
Radeon 660M
GeForce MX450 12W
Architecture
RDNA 2 (2020−2022)
Turing (2018−2021)
GPU code name
RDNA 2 Rembrandt
TU117S
Market segment
Laptop
Desktop
Release date
January 2022
August 2020
Interface
PCIe 4.0 x8
PCIe 4.0 x4
Supplementary power connectors
None
None
Boost clock speed
1900 MHz
930 MHz
Manufacturing process technology
6 nm
12 nm
Number of transistors
13,100 million
4,700 million
Pipelines / CUDA cores
384
896
Power consumption (TDP)
45 Watt
12 Watt
Texture fill rate
45.60
52.08
Memory type
System Shared
GDDR6
Maximum RAM amount
System Shared
2 GB
Memory bus width
System Shared
64 Bit
Memory clock speed
System Shared
10 GB/s
Memory bandwidth
-
80 GB/s
Shared memory
-
-
Display Connectors
No outputs
Portable Device Dependent
DirectX
12 (12_1)
12 (12_1)
CUDA
-
7.5
OpenCL
2.0
3.0
OpenGL
4.6
4.6
Shader Model
6.5
6.7 (6.4)
Vulkan
1.2
1.3