RTX A40 and H100 PCIe - video card comparison

RTX A40

H100 PCIe

Architecture

Ampere (2020−2022)

Hopper (2022)

GPU code name

GA102

GH100

Market segment

Desktop

Desktop

Release date

October 2020

March 2022

Interface

PCIe 4.0 x16

PCIe 5.0 x16

Supplementary power connectors

8-pin EPS

8-pin EPS

Boost clock speed

1755 MHz

1650 MHz

Manufacturing process technology

8 nm

4 nm

Number of transistors

28,300 million

80,000 million

Pipelines / CUDA cores

10752

7296

Power consumption (TDP)

300 Watt

350 Watt

Texture fill rate

589.7

752.4

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

2 GB/s

Memory bandwidth

695.8 GB/s

1,280 GB/s

Display Connectors

3x DisplayPort

No outputs

DirectX

12 Ultimate (12_2)

N/A

CUDA

8.6

9.0

OpenCL

2.0

3.0

OpenGL

4.6

N/A

Shader Model

6.5

N/A

Vulkan

1.2

N/A