Radeon Instinct MI300 and GeForce RTX 5080 - video card comparison

Radeon Instinct MI300

GeForce RTX 5080

Architecture

CDNA 3.0

Blackwell 2.0

GPU code name

Aqua Vanjaram

GB203

Market segment

Desktop

Release date

January 2023

2025 (recently)

Interface

PCIe 5.0 x16

Supplementary power connectors

2x 8-pin

1x 16-pin

Boost clock speed

1700 MHz

2520 MHz

Manufacturing process technology

5 nm

0 nm

Number of transistors

153,000 million

Pipelines / CUDA cores

14080

10752

Power consumption (TDP)

600 Watt

350 Watt

Texture fill rate

1,496

846.7

Memory type

HBM3

GDDR7

Maximum RAM amount

128 GB

16 GB

Memory bus width

8192 Bit

256 Bit

Memory clock speed

3.2 GB/s

5 GB/s

Memory bandwidth

3,277 GB/s

160.0 GB/s

Display Connectors

No outputs

1x HDMI 2.1, 3x DisplayPort 1.4a

HDMI

DirectX

N/A

12 Ultimate (12_2)

CUDA

9.1

OpenCL

3.0

OpenGL

N/A

4.6

Shader Model

N/A

6.7

Vulkan

N/A

1.3