Radeon HD 6970M Crossfire and GeForce GT 755M SLI - video card comparison

Radeon HD 6970M Crossfire

Architecture

Terascale 2 (2009−2015)

Kepler (2012−2018)

GPU code name

Blackcomb XT

N14P-?

Market segment

Laptop

Release date

January 2011

November 2013

Core clock speed

680 MHz

980 MHz

Manufacturing process technology

40 nm

28 nm

Number of transistors

2x1700 Million

2x 1300 Million

Pipelines / CUDA cores

1920

768

Power consumption (TDP)

2x ~50 Watt

Memory type

GDDR5

Maximum RAM amount

2x2 GB

2x 2 GB

Memory bus width

256 Bit

2x 128 Bit

Memory clock speed

900 MHz

5400 MHz

Shared memory

DirectX

CUDA