GeForce 940M and GeForce MX450 25W - video card comparison

GeForce 940M

GeForce MX450 25W

Architecture

Maxwell (2014−2018)

Turing (2018−2021)

GPU code name

N16S-GT-S/B

TU117

Market segment

Laptop

Desktop

Release date

March 2015

August 2020

Bus support

PCI Express 3.0

-

Interface

PCIe 3.0 x8

PCIe 4.0 x4

Supplementary power connectors

-

None

Boost clock speed

1176 MHz

930 MHz

Core clock speed

1072 MHz

-

Floating-point performance

903.2 gflops

-

Manufacturing process technology

28 nm

12 nm

Number of transistors

1,870 million

4,700 million

Pipelines / CUDA cores

384

896

Power consumption (TDP)

75 Watt

25 Watt

Texture fill rate

28.22

52.08

Memory type

DDR3

GDDR6

Maximum RAM amount

4 GB

2 GB

Memory bus width

64 Bit

64 Bit

Memory clock speed

2000 MHz

10 GB/s

Memory bandwidth

14.4 GB/s

80 GB/s

Shared memory

-

-

Display Connectors

No outputs

No outputs

DirectX

12 (11_0)

12 (12_1)

CUDA

+

7.5

OpenCL

1.2

1.2

OpenGL

4.5

4.6

Shader Model

5.1

6.5

Vulkan

1.1.126

1.2

GameWorks

+

-

GPU Boost

2.0

-

Optimus

+

-