RTX A4000 and Radeon Instinct MI250 - video card comparison

RTX A4000

Radeon Instinct MI250

Architecture

Ampere (2020−2022)

CDNA 2.0 (2021)

GPU code name

GA104

Aldebaran

Market segment

Workstation

Desktop

Release date

April 2021

November 2021

Interface

PCIe 4.0 x16

Supplementary power connectors

1x 6-pin

2x 8-pin

Boost clock speed

1560 MHz

1700 MHz

Manufacturing process technology

8 nm

6 nm

Number of transistors

17,400 million

58,200 million

Pipelines / CUDA cores

6144

13312

Power consumption (TDP)

140 Watt

500 Watt

Texture fill rate

299.5

1,414

Memory type

GDDR6

HBM2e

Maximum RAM amount

16 GB

128 GB

Memory bus width

256 Bit

8192 Bit

Memory clock speed

14 GB/s

3.2 GB/s

Memory bandwidth

448.0 GB/s

3,277 GB/s

Display Connectors

4x DisplayPort 1.4a

No outputs

DirectX

12 Ultimate (12_2)

N/A

CUDA

8.6

OpenCL

3.0

OpenGL

4.6

N/A

Shader Model

6.7

N/A

Vulkan

1.3

N/A