Radeon RX 6600 XT and Radeon Instinct MI250 - video card comparison

Radeon RX 6600 XT

Radeon Instinct MI250

Architecture

Navi / RDNA2 (2020−2022)

CDNA 2.0 (2021)

GPU code name

Navi 23

Aldebaran

Market segment

Desktop

Release date

July 2021

November 2021

Interface

PCIe 4.0 x8

PCIe 4.0 x16

Supplementary power connectors

1x 8-pin

2x 8-pin

Boost clock speed

2589 MHz

1700 MHz

Core clock speed

1968 MHz

Manufacturing process technology

7 nm

6 nm

Number of transistors

11,060 million

58,200 million

Pipelines / CUDA cores

2048

13312

Power consumption (TDP)

160 (TGP) Watt

500 Watt

Texture fill rate

331.4

1,414

Memory type

GDDR6

HBM2e

Maximum RAM amount

8 GB

128 GB

Memory bus width

128 Bit

8192 Bit

Memory clock speed

16000 MHz

3.2 GB/s

Memory bandwidth

256.0 GB/s

3,277 GB/s

Shared memory

Display Connectors

1x HDMI, 2x DisplayPort

No outputs

HDMI

DirectX

12.0 Ultimate (12_2)

N/A

OpenCL

2.1

3.0

OpenGL

4.6

N/A

Shader Model

6.5

N/A

Vulkan

1.2

N/A