
Radeon 660M and T550 Mobile - video card comparison
Radeon 660M
T550 Mobile
Architecture
RDNA 2 (2020−2022)
Turing (2018−2021)
GPU code name
RDNA 2 Rembrandt
TU117
Market segment
Laptop
Laptop
Release date
January 2022
May 2022
Interface
PCIe 4.0 x8
PCIe 3.0 x16
Supplementary power connectors
None
-
Boost clock speed
1900 MHz
1665 MHz
Core clock speed
-
1065 MHz
Manufacturing process technology
6 nm
12 nm
Number of transistors
13,100 million
4,700 million
Pipelines / CUDA cores
384
1024
Power consumption (TDP)
45 Watt
25 Watt (20 - 60 Watt TGP)
Texture fill rate
45.60
106.6
Memory type
System Shared
GDDR5, GDDR6
Maximum RAM amount
System Shared
4 GB
Memory bus width
System Shared
64 Bit
Memory clock speed
System Shared
12000 MHz
Memory bandwidth
-
96 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (12_1)
12 (12_1)
CUDA
-
7.5
OpenCL
2.0
3.0
OpenGL
4.6
4.6
Shader Model
6.5
6.6
Vulkan
1.2
1.3