Radeon RX 580X and GeForce MX450 - video card comparison

Passmark - benchmark score Radeon RX 580X vs GeForce MX450

Radeon RX 580X

8032

GeForce MX450

3845

Radeon RX 580X

GeForce MX450

Architecture

GCN 4.0 (2016−2020)

Turing (2018−2021)

GPU code name

Polaris 20

N17S-G5 / GP107-670-A1

Market segment

Desktop

Laptop

Release date

April 2018

August 2020

Interface

PCIe 3.0 x16

PCIe 4.0 x4

Supplementary power connectors

1x 8-pin

None

Boost clock speed

1340 MHz

1575 MHz

Core clock speed

1257 MHz

1395 MHz

Floating-point performance

6,175 gflops

Manufacturing process technology

14 nm

12 nm

Number of transistors

5,700 million

4,700 million

Pipelines / CUDA cores

2304

896

Power consumption (TDP)

185 Watt

25 Watt (12 - 29 Watt TGP)

Texture fill rate

193.0

100.8

Memory type

GDDR5

GDDR5, GDDR6

Maximum RAM amount

8 GB

2 GB

Memory bus width

256 Bit

64 Bit

Memory clock speed

8000 MHz

10000 MHz

Memory bandwidth

256.0 GB/s

64.03 GB/s

Shared memory

Display Connectors

1x HDMI, 3x DisplayPort

No outputs

HDMI

DirectX

12 (12_0)

12 (12_1)

CUDA

7.5

OpenCL

2.0

1.2

OpenGL

4.6

Shader Model

6.4

6.5

Vulkan

1.2.131

1.2

Optimus