GeForce 940MX and Radeon RX 6400 - video card comparison

Passmark - benchmark score GeForce 940MX vs Radeon RX 6400

GeForce 940MX

1561

Radeon RX 6400

7778

GeForce 940MX

Radeon RX 6400

Architecture

Maxwell (2014−2018)

RDNA 2.0 (2020−2022)

GPU code name

N16S-GTR-B/S

Navi 24

Market segment

Laptop

Desktop

Release date

March 2016

January 2022

Bus support

PCI Express 3.0

Interface

PCIe 3.0 x8

PCIe 4.0 x4

Supplementary power connectors

None

Boost clock speed

1242 MHz

2321 MHz

Core clock speed

1122 MHz

Floating-point performance

762.6 gflops

Manufacturing process technology

28 nm

6 nm

Number of transistors

1,870 million

5,400 million

Pipelines / CUDA cores

384

768

Power consumption (TDP)

23 Watt

53 Watt

Texture fill rate

23.83

111.4

Memory type

DDR3, GDDR5

GDDR6

Maximum RAM amount

4 GB

Memory bus width

64 Bit

Memory clock speed

4000 MHz

16 GB/s

Memory bandwidth

40.1 GB/s

128.0 GB/s

Shared memory

Display Connectors

No outputs

1x HDMI 2.1, 1x DisplayPort 1.4a

HDMI

DirectX

12 (11_0)

12 Ultimate (12_2)

CUDA

OpenCL

1.2

2.2

OpenGL

4.5

4.6

Shader Model

5.1

6.6

Vulkan

1.1

1.3

GameWorks

GPU Boost

2.0

Optimus