GeForce RTX 3080 and Radeon Instinct MI300X - video card comparison

GeForce RTX 3080

Radeon Instinct MI300X

Architecture

Ampere (2020−2022)

CDNA 3.0

GPU code name

Ampere GA102

Aqua Vanjaram

Market segment

Desktop

Release date

September 2020

December 2023

Interface

PCIe 4.0 x16

PCIe 5.0 x16

Supplementary power connectors

1x 12-pin

None

Boost clock speed

1710 MHz

2100 MHz

Core clock speed

1450 MHz

Manufacturing process technology

8 nm

5 nm

Number of transistors

28,300 million

153,000 million

Pipelines / CUDA cores

8704

19456

Power consumption (TDP)

320 Watt

750 Watt

Texture fill rate

465.1

2,554

Memory type

GDDR6X

HBM3

Maximum RAM amount

10 GB

192 GB

Memory bus width

320 Bit

8192 Bit

Memory clock speed

19000 MHz

5 GB/s

Memory bandwidth

760.3 GB/s

5,171 GB/s

Shared memory

Display Connectors

1x HDMI, 3x DisplayPort

No outputs

HDMI

DirectX

12 Ultimate (12_2)

N/A

CUDA

8.5

OpenCL

2.0

3.0

OpenGL

4.6

N/A

Shader Model

6.5

N/A

Vulkan

1.2

N/A