R680 and RTX A400 - video card comparison

R680

RTX A400

Architecture

TeraScale (2005−2013)

Ampere (2020−2022)

GPU code name

R680

GA107

Market segment

Desktop

Desktop

Release date

-

April 2024

Interface

-

PCIe 4.0 x8

Supplementary power connectors

-

None

Boost clock speed

-

1762 MHz

Manufacturing process technology

55 nm

8 nm

Number of transistors

666 million

8,700 million

Pipelines / CUDA cores

320

768

Power consumption (TDP)

-

50 Watt

Texture fill rate

-

42.29

Memory type

-

GDDR6

Maximum RAM amount

-

4 GB

Memory bus width

-

64 Bit

Memory clock speed

-

12 GB/s

Memory bandwidth

-

96 GB/s

Display Connectors

-

4x mini-DisplayPort 1.4a

DirectX

10.1 (10_1)

12 Ultimate (12_2)

CUDA

-

8.6

OpenCL

N/A

3.0

OpenGL

3.3 (full) Shader Model

4.16.7

Vulkan

N/A

1.3