Radeon RX Vega 56 and Radeon R9 M390 - video card comparison

Radeon RX Vega 56

Radeon R9 M390

Architecture

Vega (2017−2021)

GCN (2011−2017)

GPU code name

Vega

Pitcairn

Market segment

Desktop

Laptop

Release date

August 2017

June 2015

Bus support

-

PCIe 3.0

Interface

PCIe 3.0 x16

-

Supplementary power connectors

2x 8-pin

-

Boost clock speed

1474 MHz

-

Core clock speed

1138 MHz

-

Floating-point performance

10,566 gflops

-

Manufacturing process technology

14 nm

28 nm

Number of transistors

12,500 million

5000 Million

Pipelines / CUDA cores

3584

1024

Power consumption (TDP)

210 Watt

-

Texture fill rate

329.5

-

Memory type

HBM2

GDDR5

Maximum RAM amount

8 GB

2 GB

Memory bus width

409.6 Bit

256 Bit

Memory clock speed

800 MHz

-

Memory bandwidth

409.6 GB/s

-

Shared memory

-

-

Display Connectors

1x HDMI, 3x DisplayPort

-

Eyefinity

-

1

HDMI

+

-

DirectX

12 (12_1)

DirectX® 12

Mantle

-

+

OpenCL

2.0

Not Listed

OpenGL

4.6

4.4

Shader Model

6.4

-

Vulkan

1.1.125

-

AppAcceleration

-

-

DualGraphics

-

1

Enduro

-

-

FreeSync

-

1

HD3D

-

+

PowerTune

-

+

Switchable graphics

-

1

TrueAudio

-

-

ZeroCore

-

+