Radeon R9 M390 and GeForce MX450 - video card comparison

Radeon R9 M390

GeForce MX450

Architecture

GCN (2011−2017)

Turing (2018−2021)

GPU code name

Pitcairn

N17S-G5 / GP107-670-A1

Market segment

Laptop

Laptop

Release date

June 2015

August 2020

Bus support

PCIe 3.0

-

Interface

-

PCIe 4.0 x4

Supplementary power connectors

-

None

Boost clock speed

-

1575 MHz

Core clock speed

-

1395 MHz

Manufacturing process technology

28 nm

12 nm

Number of transistors

5000 Million

4,700 million

Pipelines / CUDA cores

1024

896

Power consumption (TDP)

-

25 Watt (12 - 29 Watt TGP)

Texture fill rate

-

100.8

Memory type

GDDR5

GDDR5, GDDR6

Maximum RAM amount

2 GB

2 GB

Memory bus width

256 Bit

64 Bit

Memory clock speed

-

10000 MHz

Memory bandwidth

-

64.03 GB/s

Shared memory

-

-

Display Connectors

-

No outputs

Eyefinity

1

-

DirectX

DirectX® 12

12 (12_1)

CUDA

-

7.5

Mantle

+

-

OpenCL

Not Listed

1.2

OpenGL

4.4

4.6

Shader Model

-

6.5

Vulkan

-

1.2

AppAcceleration

-

-

DualGraphics

1

-

Enduro

-

-

FreeSync

1

-

HD3D

+

-

Optimus

-

+

PowerTune

+

-

Switchable graphics

1

-

TrueAudio

-

-

ZeroCore

+

-