GeForce RTX 3090 and Radeon Instinct MI300X - video card comparison

GeForce RTX 3090

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

1700 MHz

2100 MHz

Core clock speed

1400 MHz

Manufacturing process technology

8 nm

5 nm

Number of transistors

28,300 million

153,000 million

Pipelines / CUDA cores

10496

19456

Power consumption (TDP)

350 Watt

750 Watt

Texture fill rate

556.0

2,554

Memory type

GDDR6X

HBM3

Maximum RAM amount

24 GB

192 GB

Memory bus width

384 Bit

8192 Bit

Memory clock speed

19500 MHz

5 GB/s

Memory bandwidth

936.2 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