Radeon HD 6790 and Radeon Instinct MI250X - video card comparison

Radeon HD 6790

Radeon Instinct MI250X

Architecture

Terascale 2 (2009−2015)

CDNA 2.0 (2021)

GPU code name

Barts

Aldebaran

Market segment

Desktop

Workstation

Release date

April 2011

November 2021

Interface

PCIe 2.0 x16

PCIe 4.0 x16

Supplementary power connectors

2x 6-pin

2x 8-pin

Boost clock speed

1700 MHz

Core clock speed

840 MHz

Floating-point performance

1,344.0 gflops

Manufacturing process technology

40 nm

6 nm

Number of transistors

1,700 million

58,200 million

Pipelines / CUDA cores

800

14080

Power consumption (TDP)

150 Watt

500 Watt

Texture fill rate

33.60

1,496

Memory type

GDDR5

HBM2e

Maximum RAM amount

1 GB

128 GB

Memory bus width

256 Bit

8192 Bit

Memory clock speed

1050 MHz

3.2 GB/s

Memory bandwidth

134.4 GB/s

3,277 GB/s

Display Connectors

2x DVI, 1x HDMI, 1x DisplayPort

No outputs

HDMI

DirectX

11.2 (11_0)

N/A

OpenCL

1.2

3.0

OpenGL

4.4

N/A

Shader Model

5.0

N/A

Vulkan

N/A