Radeon HD 7970M Crossfire and GeForce GTX 770M SLI - video card comparison
Radeon HD 7970M Crossfire
GeForce GTX 770M SLI
Architecture
GCN (2011−2017)
Kepler (2012−2018)
GPU code name
Wimbledon XT
-
Market segment
Laptop
Laptop
Release date
May 2012
May 2013
SLI options
-
+
Core clock speed
850 MHz
811 MHz
Manufacturing process technology
28 nm
28 nm
Number of transistors
-
2x 2540 Million
Pipelines / CUDA cores
2560
1920
Power consumption (TDP)
200 Watt
150 Watt
Memory type
GDDR5
GDDR5
Maximum RAM amount
-
2x 3 GB
Memory bus width
2x 256 Bit
2x 192 Bit
Memory clock speed
4800 MHz
4000 MHz
Shared memory
-
-
DirectX
11.1
11
CUDA
-
+
Optimus
-
+