Radeon R5 A255 and Radeon Instinct MI300 - video card comparison

Radeon R5 A255

Radeon Instinct MI300

Architecture

GCN 3.0 (2014−2017)

CDNA 3.0

GPU code name

Topaz

Aqua Vanjaram

Market segment

Desktop

Release date

2014

January 2023

Interface

PCIe 3.0 x8

PCIe 5.0 x16

Supplementary power connectors

2x 8-pin

Boost clock speed

940 MHz

1700 MHz

Core clock speed

925 MHz

Manufacturing process technology

28 nm

5 nm

Number of transistors

1,550 million

153,000 million

Pipelines / CUDA cores

384

14080

Power consumption (TDP)

600 Watt

Texture fill rate

22.56

1,496

Memory type

GDDR5

HBM3

Maximum RAM amount

1 GB

128 GB

Memory bus width

128 Bit

8192 Bit

Memory clock speed

4 GB/s

3.2 GB/s

Memory bandwidth

64 GB/s

3,277 GB/s

Display Connectors

Portable Device Dependent

No outputs

DirectX

12 (12_0)

N/A

OpenCL

2.1

3.0

OpenGL

4.6

N/A

Shader Model

6.5

N/A

Vulkan

1.2.170

N/A