RTX A40 and A100X - video card comparison

RTX A40

A100X

Architecture

Ampere (2020−2022)

Ampere (2020−2022)

GPU code name

GA102

GA100

Market segment

Desktop

Desktop

Release date

October 2020

June 2021

Interface

PCIe 4.0 x16

PCIe 4.0 x8

Supplementary power connectors

8-pin EPS

1x 16-pin

Boost clock speed

1755 MHz

1440 MHz

Manufacturing process technology

8 nm

7 nm

Number of transistors

28,300 million

54,200 million

Pipelines / CUDA cores

10752

6912

Power consumption (TDP)

300 Watt

300 Watt

Texture fill rate

589.7

622.1

Memory type

GDDR6

HBM2e

Maximum RAM amount

48 GB

80 GB

Memory bus width

384 Bit

5120 Bit

Memory clock speed

14.5 GB/s

3.2 GB/s

Memory bandwidth

695.8 GB/s

2,039 GB/s

Display Connectors

3x DisplayPort

No outputs

DirectX

12 Ultimate (12_2)

N/A

CUDA

8.6

8.0

OpenCL

2.0

3.0

OpenGL

4.6

N/A

Shader Model

6.5

N/A

Vulkan

1.2

N/A