GeForce GTX 675M SLI and Radeon HD 6970M Crossfire - video card comparison
GeForce GTX 675M SLI
Radeon HD 6970M Crossfire
Architecture
Fermi (2010−2014)
Terascale 2 (2009−2015)
GPU code name
N12E-GTX2
Blackcomb XT
Market segment
Laptop
Laptop
Release date
January 2011
January 2011
SLI options
+
-
Core clock speed
620 MHz
680 MHz
Manufacturing process technology
40 nm
40 nm
Number of transistors
-
2x1700 Million
Pipelines / CUDA cores
768
1920
Power consumption (TDP)
2x 100 Watt
-
Memory type
GDDR5
GDDR5
Maximum RAM amount
-
2x2 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
3000 MHz
900 MHz
Shared memory
-
-
DirectX
11
11
CUDA
+
-
Optimus
+
-