Radeon R9 390 X2 and Arc A750 - video card comparison

Radeon R9 390 X2

Arc A750

Architecture

GCN 2.0 (2013−2017)

Generation 12.7 (2022)

GPU code name

Grenada

DG2-512

Market segment

Desktop

Desktop

Release date

September 2015

October 2022

Interface

PCIe 3.0 x16

PCIe 4.0 x16

Supplementary power connectors

4x 8-pin

1x 6-pin + 1x 8-pin

Boost clock speed

-

2400 MHz

Core clock speed

1000 MHz

2050 MHz

Floating-point performance

2x 5,120 gflops

-

Manufacturing process technology

28 nm

6 nm

Number of transistors

6,200 million

21,700 million

Pipelines / CUDA cores

2560

3584

Power consumption (TDP)

580 Watt

225 Watt

Texture fill rate

160.0

537.6

Memory type

GDDR5

GDDR6

Maximum RAM amount

8 GB

8 GB

Memory bus width

512 Bit

256 Bit

Memory clock speed

5400 MHz

16000 MHz

Memory bandwidth

345.6 GB/s

512.0 GB/s

Shared memory

-

-

Display Connectors

2x DVI, 1x HDMI, 1x DisplayPort

1x HDMI 2.1, 3x DisplayPort 2.0

HDMI

+

+

DirectX

12 (12_0)

12 Ultimate (12_2)

OpenCL

2.0

3.0

OpenGL

4.6

4.6

Shader Model

6.3

6.6

Vulkan

1.2.131

1.3