GeForce GTX 680M and WinBoost - video card comparison

GeForce GTX 680M

WinBoost

Architecture

Kepler (2012−2018)

Mach (1992−1997)

GPU code name

N13E-GTX

Mach64

Market segment

Laptop

Desktop

Release date

June 2012

November 1995

Bus support

PCI Express 3.0

-

Interface

MXM-B (3.0)

PCI

Supplementary power connectors

None

-

SLI options

+

-

Boost clock speed

758 MHz

-

Core clock speed

720 MHz

40 MHz

CUDA cores

1344

-

Floating-point performance

2,038 gflops

-

Manufacturing process technology

28 nm

600 nm

Number of transistors

3,540 million

1 million

Pipelines / CUDA cores

1344

-

Power consumption (TDP)

100 Watt

-

Texture fill rate

80.6 billion/sec

-

Memory type

GDDR5

EDO

Maximum RAM amount

4 GB

2 MB

Memory bus width

256 Bit

64 Bit

Memory clock speed

1800 MHz

40 MHz

Memory bandwidth

115.2 GB/s

320.0 MB/s

Shared memory

-

-

Display Connectors

No outputs

1x VGA

DirectX

12 API

N/A

CUDA

+

-

OpenCL

1.1

N/A

OpenGL

4.5

N/A

Shader Model

5.1

-

Vulkan

1.1.126

N/A

Optimus

+

-