GeForce GTX 770M SLI and GeForce GTX 680M SLI - video card comparison
GeForce GTX 770M SLI
GeForce GTX 680M SLI
Architecture
Kepler (2012−2018)
Kepler (2012−2018)
GPU code name
-
N13E-GTX
Market segment
Laptop
Laptop
Release date
May 2013
June 2012
SLI options
+
+
Core clock speed
811 MHz
720 MHz
Manufacturing process technology
28 nm
28 nm
Number of transistors
2x 2540 Million
-
Pipelines / CUDA cores
1920
2688
Power consumption (TDP)
150 Watt
-
Memory type
GDDR5
GDDR5
Maximum RAM amount
2x 3 GB
2x 4 GB
Memory bus width
2x 192 Bit
2x 256 Bit
Memory clock speed
4000 MHz
3600 MHz
Shared memory
-
-
DirectX
11
11
CUDA
+
+
Optimus
+
+