T400 4 GB and GeForce RTX 4080 Mobile - video card comparison

T400 4 GB

GeForce RTX 4080 Mobile

Architecture

Turing (2018−2021)

Ada Lovelace

GPU code name

TU117

GN21-X9

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

2280 MHz

Core clock speed

1860 MHz

Manufacturing process technology

12 nm

5 nm

Number of transistors

4,700 million

35,800 million

Pipelines / CUDA cores

384

7424

Power consumption (TDP)

30 Watt

150 Watt (60 - 150 Watt TGP)

Texture fill rate

34.20

386.3

Memory type

GDDR6

GDDR6X

Maximum RAM amount

4 GB

12 GB

Memory bus width

64 Bit

192 Bit

Memory clock speed

10 GB/s

20000 MHz

Memory bandwidth

80 GB/s

432.0 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

OpenGL

4.6

Shader Model

6.6

6.7

Vulkan

1.2

1.3