A100 SXM4 and RTX A40 - video card comparison

A100 SXM4

RTX A40

Architecture

Ampere (2020−2022)

Ampere (2020−2022)

GPU code name

GA100

GA102

Market segment

Desktop

Desktop

Release date

May 2020

October 2020

Interface

PCIe 4.0 x16

PCIe 4.0 x16

Supplementary power connectors

None

8-pin EPS

Boost clock speed

-

1755 MHz

Core clock speed

1410 MHz

-

Manufacturing process technology

7 nm

8 nm

Number of transistors

54,200 million

28,300 million

Pipelines / CUDA cores

6912

10752

Power consumption (TDP)

400 Watt

300 Watt

Texture fill rate

609.1

589.7

Memory type

HBM2E

GDDR6

Maximum RAM amount

40 GB

48 GB

Memory bus width

5120 Bit

384 Bit

Memory clock speed

2430 MHz

14.5 GB/s

Memory bandwidth

1,555 GB/s

695.8 GB/s

Display Connectors

No outputs

3x DisplayPort

DirectX

12 Ultimate (12_2)

12 Ultimate (12_2)

CUDA

8.0

8.6

OpenCL

2.0

2.0

OpenGL

4.6

4.6

Shader Model

6.5

6.5

Vulkan

1.2.140

1.2