Radeon Instinct MI250X and Radeon Instinct MI300X - video card comparison

Radeon Instinct MI250X

Radeon Instinct MI300X

Architecture

CDNA 2.0 (2021)

CDNA 3.0

GPU code name

Aldebaran

Aqua Vanjaram

Market segment

Workstation

Desktop

Release date

November 2021

December 2023

Interface

PCIe 4.0 x16

PCIe 5.0 x16

Supplementary power connectors

2x 8-pin

None

Boost clock speed

1700 MHz

2100 MHz

Manufacturing process technology

6 nm

5 nm

Number of transistors

58,200 million

153,000 million

Pipelines / CUDA cores

14080

19456

Power consumption (TDP)

500 Watt

750 Watt

Texture fill rate

1,496

2,554

Memory type

HBM2e

HBM3

Maximum RAM amount

128 GB

192 GB

Memory bus width

8192 Bit

Memory clock speed

3.2 GB/s

5 GB/s

Memory bandwidth

3,277 GB/s

5,171 GB/s

Display Connectors

No outputs

DirectX

N/A

OpenCL

3.0

OpenGL

N/A

Shader Model

N/A

Vulkan

N/A