Radeon Instinct MI250X and MI300 - video card comparison

Radeon Instinct MI250X

MI300

Architecture

CDNA 2.0 (2021)

CDNA 3.0

GPU code name

Aldebaran

MI300

Market segment

Workstation

Desktop

Release date

November 2021

Interface

PCIe 4.0 x16

Supplementary power connectors

2x 8-pin

Boost clock speed

1700 MHz

Manufacturing process technology

6 nm

5 nm

Number of transistors

58,200 million

146,000 million

Pipelines / CUDA cores

14080

4x 3520

Power consumption (TDP)

500 Watt

Texture fill rate

1,496

Memory type

HBM2e

Maximum RAM amount

128 GB

Memory bus width

8192 Bit

Memory clock speed

3.2 GB/s

Memory bandwidth

3,277 GB/s

Display Connectors

No outputs

DirectX

N/A

OpenCL

3.0

OpenGL

N/A

Shader Model

N/A

Vulkan

N/A