GeForce 940M and Radeon RX 6600 - video card comparison

Passmark - benchmark score GeForce 940M vs Radeon RX 6600

GeForce 940M

1156

Radeon RX 6600

15586

GeForce 940M

Radeon RX 6600

Architecture

Maxwell (2014−2018)

Navi / RDNA2 (2020−2022)

GPU code name

N16S-GT-S/B

Navi 23

Market segment

Laptop

Desktop

Release date

March 2015

October 2021

Bus support

PCI Express 3.0

Interface

PCIe 3.0 x8

PCIe 4.0 x8

Supplementary power connectors

1x 8-pin

Boost clock speed

1176 MHz

2491 MHz

Core clock speed

1072 MHz

2044 MHz

Floating-point performance

903.2 gflops

Manufacturing process technology

28 nm

7 nm

Number of transistors

1,870 million

11,060 million

Pipelines / CUDA cores

384

1792

Power consumption (TDP)

75 Watt

132 Watt

Texture fill rate

28.22

279.0

Memory type

DDR3

GDDR6

Maximum RAM amount

4 GB

8 GB

Memory bus width

64 Bit

128 Bit

Memory clock speed

2000 MHz

14500 MHz

Memory bandwidth

14.4 GB/s

224.0 GB/s

Shared memory

Display Connectors

No outputs

1x HDMI, 3x DisplayPort

HDMI

DirectX

12 (11_0)

12.0 Ultimate (12_2)

CUDA

OpenCL

1.2

2.1

OpenGL

4.5

4.6

Shader Model

5.1

6.5

Vulkan

1.1.126

1.2

GameWorks

GPU Boost

2.0

Optimus