Radeon R9 390 X2 and Radeon RX Vega 56 Mobile - video card comparison

Radeon R9 390 X2

Radeon RX Vega 56 Mobile

Architecture

GCN 2.0 (2013−2017)

GCN 5.0 (2017−2020)

GPU code name

Grenada

Vega 10

Market segment

Desktop

Laptop

Release date

September 2015

June 2018

Interface

PCIe 3.0 x16

Supplementary power connectors

4x 8-pin

Boost clock speed

1301 MHz

Core clock speed

1000 MHz

1138 MHz

Floating-point performance

2x 5,120 gflops

Manufacturing process technology

28 nm

14 nm

Number of transistors

6,200 million

12,500 million

Pipelines / CUDA cores

2560

3584

Power consumption (TDP)

580 Watt

120 Watt

Texture fill rate

160.0

291.4

Memory type

GDDR5

HBM2

Maximum RAM amount

8 GB

Memory bus width

512 Bit

2048 Bit

Memory clock speed

5400 MHz

1600 MHz

Memory bandwidth

345.6 GB/s

409.6 GB/s

Display Connectors

2x DVI, 1x HDMI, 1x DisplayPort

1x HDMI, 3x DisplayPort

HDMI

DirectX

12 (12_0)

12 (12_1)

OpenCL

2.0

OpenGL

4.6

Shader Model

6.3

6.4

Vulkan

1.2.131

1.1.125