T400 and Radeon 660M - video card comparison
Passmark - benchmark score T400 vs Radeon 660M
T400
3739
Radeon 660M
6474
T400
Radeon 660M
Architecture
Turing (2018−2021)
RDNA 2 (2020−2022)
GPU code name
TU117
RDNA 2 Rembrandt
Market segment
Desktop
Laptop
Release date
May 2021
January 2022
Interface
PCIe 3.0 x16
PCIe 4.0 x8
Supplementary power connectors
None
None
Boost clock speed
1425 MHz
1900 MHz
Manufacturing process technology
12 nm
6 nm
Number of transistors
4,700 million
13,100 million
Pipelines / CUDA cores
384
384
Power consumption (TDP)
30 Watt
45 Watt
Texture fill rate
34.20
45.60
Memory type
GDDR6
System Shared
Maximum RAM amount
2 GB
System Shared
Memory bus width
64 Bit
System Shared
Memory clock speed
10 GB/s
System Shared
Memory bandwidth
80 GB/s
-
Shared memory
-
-
Display Connectors
3x mini-DisplayPort
No outputs
DirectX
12 (12_1)
12 (12_1)
CUDA
7.5
-
OpenCL
3.0
2.0
OpenGL
4.6
4.6
Shader Model
6.6
6.5
Vulkan
1.2
1.2