GeForce RTX 4080 and RTX A400 - video card comparison

GeForce RTX 4080

RTX A400

Architecture

Ada Lovelace

Ampere (2020−2022)

GPU code name

AD103-300-A1

GA107

Market segment

Desktop

Desktop

Release date

September 2022

April 2024

Interface

PCIe 4.0 x16

PCIe 4.0 x8

Supplementary power connectors

1x 16-pin

None

Boost clock speed

2505 MHz

1762 MHz

Core clock speed

2205 MHz

-

Manufacturing process technology

5 nm

8 nm

Number of transistors

45,900 million

8,700 million

Pipelines / CUDA cores

9728

768

Power consumption (TDP)

320 Watt

50 Watt

Texture fill rate

761.5

42.29

Memory type

GDDR6X

GDDR6

Maximum RAM amount

16 GB

4 GB

Memory bus width

256 Bit

64 Bit

Memory clock speed

22400 MHz

12 GB/s

Memory bandwidth

716.8 GB/s

96 GB/s

Shared memory

-

-

Display Connectors

1x HDMI 2.1, 3x DisplayPort 1.4a

4x mini-DisplayPort 1.4a

HDMI

+

-

DirectX

12 Ultimate (12_2)

12 Ultimate (12_2)

CUDA

8.9

8.6

OpenCL

3.0

3.0

OpenGL

4.6

4.6

Shader Model

6.6

6.7

Vulkan

1.3

1.3