GeForce 940M and T400 - video card comparison

Passmark - benchmark score GeForce 940M vs T400

GeForce 940M

1156

T400

3739

GeForce 940M

T400

Architecture

Maxwell (2014−2018)

Turing (2018−2021)

GPU code name

N16S-GT-S/B

TU117

Market segment

Laptop

Desktop

Release date

March 2015

May 2021

Bus support

PCI Express 3.0

Interface

PCIe 3.0 x8

PCIe 3.0 x16

Supplementary power connectors

None

Boost clock speed

1176 MHz

1425 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

Power consumption (TDP)

75 Watt

30 Watt

Texture fill rate

28.22

34.20

Memory type

DDR3

GDDR6

Maximum RAM amount

4 GB

2 GB

Memory bus width

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

3x mini-DisplayPort

DirectX

12 (11_0)

12 (12_1)

CUDA

7.5

OpenCL

1.2

3.0

OpenGL

4.5

4.6

Shader Model

5.1

6.6

Vulkan

1.1.126

1.2

GameWorks

GPU Boost

2.0

Optimus