Radeon RX 7900 XTX and Radeon Instinct MI300 - video card comparison

Radeon RX 7900 XTX

Radeon Instinct MI300

Architecture

RDNA 3

CDNA 3.0

GPU code name

Navi 31 XTX

Aqua Vanjaram

Market segment

Desktop

Release date

November 2022

January 2023

Interface

PCIe 4.0 x16

PCIe 5.0 x16

Supplementary power connectors

2x 8-pin

Boost clock speed

2270 MHz

1700 MHz

Manufacturing process technology

5 nm

Number of transistors

57,700 million

153,000 million

Pipelines / CUDA cores

6144

14080

Power consumption (TDP)

355 Watt

600 Watt

Texture fill rate

959.6

1,496

Memory type

GDDR6

HBM3

Maximum RAM amount

24 GB

128 GB

Memory bus width

384 Bit

8192 Bit

Memory clock speed

20000 MHz

3.2 GB/s

Memory bandwidth

960.0 GB/s

3,277 GB/s

Shared memory

Display Connectors

1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C

No outputs

HDMI

DirectX

12 Ultimate (12_2)

N/A

OpenCL

2.1

3.0

OpenGL

4.6

N/A

Shader Model

6.7

N/A

Vulkan

1.3

N/A