H100 PCIe and Radeon Instinct MI300 - video card comparison

H100 PCIe

Radeon Instinct MI300

Architecture

Hopper (2022)

CDNA 3.0

GPU code name

GH100

Aqua Vanjaram

Market segment

Desktop

Release date

March 2022

January 2023

Interface

PCIe 5.0 x16

Supplementary power connectors

8-pin EPS

2x 8-pin

Boost clock speed

1650 MHz

1700 MHz

Manufacturing process technology

4 nm

5 nm

Number of transistors

80,000 million

153,000 million

Pipelines / CUDA cores

7296

14080

Power consumption (TDP)

350 Watt

600 Watt

Texture fill rate

752.4

1,496

Memory type

HBM2e

HBM3

Maximum RAM amount

80 GB

128 GB

Memory bus width

5120 Bit

8192 Bit

Memory clock speed

2 GB/s

3.2 GB/s

Memory bandwidth

1,280 GB/s

3,277 GB/s

Display Connectors

No outputs

DirectX

N/A

CUDA

9.0

OpenCL

3.0

OpenGL

N/A

Shader Model

N/A

Vulkan

N/A