GeForce GTX 680MX and GeForce GT 750M SLI - video card comparison

GeForce GTX 680MX

GeForce GT 750M SLI

Architecture

Kepler (2012−2018)

Kepler (2012−2018)

GPU code name

-

N14P-GT

Market segment

Laptop

Laptop

Release date

October 2012

April 2013

Bus support

PCI Express 3.0

-

SLI options

+

-

Core clock speed

720 MHz

967 MHz

CUDA cores

1536

-

Manufacturing process technology

28 nm

28 nm

Number of transistors

3540 Million

1300 Million

Pipelines / CUDA cores

1536

768

Power consumption (TDP)

122 Watt

-

Texture fill rate

92.2 billion/sec

-

Memory type

GDDR5

DDR3, GDDR5

Maximum RAM amount

2 GB

2x 2 GB

Memory bus width

256 Bit

2x 128 Bit

Memory clock speed

2500 MHz

2000 - 5000 MHz

Memory bandwidth

160 GB/s

-

Shared memory

-

-

DirectX

12 API

11

CUDA

+

+

OpenCL

1.1

-

OpenGL

4.5

-

3D Vision

+

-

Optimus

+

-