Radeon R9 M290X Crossfire and GeForce GTX 680M SLI - video card comparison

Radeon R9 M290X Crossfire

GeForce GTX 680M SLI

Architecture

GCN (2011−2017)

Kepler (2012−2018)

GPU code name

Neptune CF

N13E-GTX

Market segment

Laptop

Laptop

Release date

March 2014

June 2012

SLI options

-

+

Boost clock speed

900 MHz

-

Core clock speed

850 MHz

720 MHz

Manufacturing process technology

28 nm

28 nm

Number of transistors

2x 2800 Million

-

Pipelines / CUDA cores

2560

2688

Power consumption (TDP)

200 Watt

-

Memory type

GDDR5

GDDR5

Maximum RAM amount

2x 4 GB

2x 4 GB

Memory bus width

2x 256 Bit

2x 256 Bit

Memory clock speed

4800 MHz

3600 MHz

Shared memory

-

-

DirectX

12 (FL 11_1)

11

CUDA

-

+

Optimus

-

+