GeForce GTX 780M SLI and Radeon HD 7970M Crossfire - video card comparison
GeForce GTX 780M SLI
Radeon HD 7970M Crossfire
Architecture
Kepler (2012−2018)
GCN (2011−2017)
GPU code name
N14E-GTX
Wimbledon XT
Market segment
Laptop
Laptop
Release date
May 2013
May 2012
SLI options
+
-
Core clock speed
823 MHz
850 MHz
Manufacturing process technology
28 nm
28 nm
Number of transistors
7080 Million
-
Pipelines / CUDA cores
3072
2560
Power consumption (TDP)
200 Watt
200 Watt
Memory type
GDDR5
GDDR5
Maximum RAM amount
2x 4 GB
-
Memory bus width
2x 256 Bit
2x 256 Bit
Memory clock speed
5000 MHz
4800 MHz
Shared memory
-
-
DirectX
11
11.1
CUDA
+
-
Optimus
+
-