Radeon RX 540X and GeForce MX450 - video card comparison

Radeon RX 540X

GeForce MX450

Architecture

GCN 4.0 (2016−2020)

Turing (2018−2021)

GPU code name

Polaris 12

N17S-G5 / GP107-670-A1

Market segment

Laptop

Laptop

Release date

March 2018

August 2020

Interface

PCIe 3.0 x8

PCIe 4.0 x4

Supplementary power connectors

None

None

Boost clock speed

1219 MHz

1575 MHz

Core clock speed

-

1395 MHz

Manufacturing process technology

14 nm

12 nm

Number of transistors

2,200 million

4,700 million

Pipelines / CUDA cores

512

896

Power consumption (TDP)

50 Watt

25 Watt (12 - 29 Watt TGP)

Texture fill rate

35.97

100.8

Memory type

GDDR5

GDDR5, GDDR6

Maximum RAM amount

4 GB

2 GB

Memory bus width

128 Bit

64 Bit

Memory clock speed

6000 MHz

10000 MHz

Memory bandwidth

112.0 GB/s

64.03 GB/s

Shared memory

-

-

Display Connectors

1x DVI, 1x HDMI, 1x DisplayPort

No outputs

HDMI

+

-

DirectX

12 (12_0)

12 (12_1)

CUDA

-

7.5

OpenCL

2.0

1.2

OpenGL

4.6

4.6

Shader Model

6.4

6.5

Vulkan

1.2.131

1.2

FreeSync

+

-

Optimus

-

+