GeForce 940M and GeForce GTX 275 PhysX Edition - video card comparison

GeForce 940M

GeForce GTX 275 PhysX Edition

Architecture

Maxwell (2014−2018)

Tesla 2.0 (2007−2013)

GPU code name

N16S-GT-S/B

GT200B

Market segment

Laptop

Desktop

Release date

March 2015

February 2010

Bus support

PCI Express 3.0

Interface

PCIe 3.0 x8

PCIe 2.0 x16

Supplementary power connectors

1x 6-pin + 1x 8-pin

Boost clock speed

1176 MHz

Core clock speed

1072 MHz

633 MHz

Floating-point performance

903.2 gflops

622.1 gflops

Manufacturing process technology

28 nm

55 nm

Number of transistors

1,870 million

1,400 million

Pipelines / CUDA cores

384

240

Power consumption (TDP)

75 Watt

219 Watt

Texture fill rate

28.22

50.64

Memory type

DDR3

GDDR3

Maximum RAM amount

4 GB

896 MB

Memory bus width

64 Bit

448 Bit

Memory clock speed

2000 MHz

2268 MHz

Memory bandwidth

14.4 GB/s

127.0 GB/s

Shared memory

Display Connectors

No outputs

2x DVI

DirectX

12 (11_0)

11.1 (10_0)

CUDA

1.3

OpenCL

1.2

1.1

OpenGL

4.5

3.3

Shader Model

5.1

4.0

Vulkan

1.1.126

N/A

GameWorks

GPU Boost

2.0

Optimus