GeForce 940M and GeForce RTX 4070 Mobile - video card comparison

GeForce 940M

GeForce RTX 4070 Mobile

Architecture

Maxwell (2014−2018)

Ada Lovelace

GPU code name

N16S-GT-S/B

GN21-X6

Market segment

Laptop

Release date

March 2015

January 2023

Bus support

PCI Express 3.0

Interface

PCIe 3.0 x8

PCIe 4.0 x16

Boost clock speed

1176 MHz

2175 MHz

Core clock speed

1072 MHz

1605 MHz

Floating-point performance

903.2 gflops

Manufacturing process technology

28 nm

5 nm

Number of transistors

1,870 million

Pipelines / CUDA cores

384

4608

Power consumption (TDP)

75 Watt

115 Watt (35 - 115 Watt TGP)

Texture fill rate

28.22

244.1

Memory type

DDR3

GDDR6

Maximum RAM amount

4 GB

8 GB

Memory bus width

64 Bit

128 Bit

Memory clock speed

2000 MHz

16000 MHz

Memory bandwidth

14.4 GB/s

256.0 GB/s

Shared memory

Display Connectors

No outputs

Portable Device Dependent

DirectX

12 (11_0)

12 Ultimate (12_2)

CUDA

8.9

OpenCL

1.2

3.0

OpenGL

4.5

4.6

Shader Model

5.1

6.7

Vulkan

1.1.126

1.3

GameWorks

GPU Boost

2.0

Optimus