Mobility Radeon HD 4870 X2 and GeForce MX450 - video card comparison

Mobility Radeon HD 4870 X2

GeForce MX450

Architecture

Terascale 1 (2008−2010)

Turing (2018−2021)

GPU code name

M98-XT

N17S-G5 / GP107-670-A1

Market segment

Laptop

Release date

January 2009

August 2020

Interface

PCIe 2.0 x16

PCIe 4.0 x4

Supplementary power connectors

None

Boost clock speed

1575 MHz

Core clock speed

550 MHz

1395 MHz

Floating-point performance

2x 880.0 gflops

Manufacturing process technology

55 nm

12 nm

Number of transistors

956 million

4,700 million

Pipelines / CUDA cores

1600

896

Power consumption (TDP)

25 Watt (12 - 29 Watt TGP)

Texture fill rate

22.00

100.8

Memory type

GDDR3, GDDR5

GDDR5, GDDR6

Maximum RAM amount

2 GB

Memory bus width

256 Bit

64 Bit

Memory clock speed

888 MHz

10000 MHz

Memory bandwidth

89.6 GB/s

64.03 GB/s

Shared memory

Display Connectors

No outputs

DirectX

10.1 (10_1)

12 (12_1)

CUDA

7.5

OpenCL

1.1

1.2

OpenGL

3.3

4.6

Shader Model

4.1

6.5

Vulkan

N/A

1.2

Optimus