T400 and GeForce RTX 4090 Mobile - video card comparison
T400
GeForce RTX 4090 Mobile
Architecture
Turing (2018−2021)
Ada Lovelace
GPU code name
TU117
GN21-X11
Market segment
Desktop
Laptop
Release date
May 2021
January 2023
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
None
-
Boost clock speed
1425 MHz
2040 MHz
Manufacturing process technology
12 nm
5 nm
Number of transistors
4,700 million
45,900 million
Pipelines / CUDA cores
384
9728
Power consumption (TDP)
30 Watt
150 Watt (80 - 150 Watt TGP)
Texture fill rate
34.20
515.3
Memory type
GDDR6
GDDR6
Maximum RAM amount
2 GB
16 GB
Memory bus width
64 Bit
256 Bit
Memory clock speed
10 GB/s
20000 MHz
Memory bandwidth
80 GB/s
576.0 GB/s
Shared memory
-
-
Display Connectors
3x mini-DisplayPort
Portable Device Dependent
DirectX
12 (12_1)
12 Ultimate (12_2)
CUDA
7.5
8.9
OpenCL
3.0
3.0
OpenGL
4.6
4.6
Shader Model
6.6
6.7
Vulkan
1.2
1.3