GeForce GTX 980 SLI Mobile and GeForce GTX 680M SLI - video card comparison

GeForce GTX 980 SLI Mobile

GeForce GTX 680M SLI

Architecture

Maxwell (2014−2018)

Kepler (2012−2018)

GPU code name

N16E-GXX SLI

N13E-GTX

Market segment

Laptop

Laptop

Release date

September 2015

June 2012

SLI options

+

+

Boost clock speed

1228 MHz

-

Core clock speed

1126 MHz

720 MHz

Manufacturing process technology

28 nm

28 nm

Number of transistors

10400 Million

-

Pipelines / CUDA cores

4096

2688

Power consumption (TDP)

330 Watt

-

Memory type

GDDR5

GDDR5

Maximum RAM amount

2x 8 GB

2x 4 GB

Memory bus width

256 Bit

2x 256 Bit

Memory clock speed

3500 MHz

3600 MHz

Shared memory

-

-

G-SYNC support

+

-

DirectX

12_1

11

CUDA

+

+

Optimus

-

+