T400 and Steam Deck GPU - video card comparison
T400
Steam Deck GPU
Architecture
Turing (2018−2021)
RDNA 2.0 (2020−2022)
GPU code name
TU117
Van Gogh
Market segment
Desktop
Desktop
Release date
May 2021
February 2022
Interface
PCIe 3.0 x16
-
Supplementary power connectors
None
None
Boost clock speed
1425 MHz
1600 MHz
Manufacturing process technology
12 nm
7 nm
Number of transistors
4,700 million
2,400 million
Pipelines / CUDA cores
384
512
Power consumption (TDP)
30 Watt
15 Watt
Texture fill rate
34.20
51.20
Memory type
GDDR6
LPDDR5
Maximum RAM amount
2 GB
16 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
10 GB/s
5.5 GB/s
Memory bandwidth
80 GB/s
88 GB/s
Display Connectors
3x mini-DisplayPort
1x USB Type-C
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