GeForce GTX 770M SLI and GeForce GTX 680MX - video card comparison
GeForce GTX 770M SLI
GeForce GTX 680MX
Architecture
Kepler (2012−2018)
Kepler (2012−2018)
Market segment
Laptop
Laptop
Release date
May 2013
October 2012
Bus support
-
PCI Express 3.0
SLI options
+
+
Core clock speed
811 MHz
720 MHz
CUDA cores
-
1536
Manufacturing process technology
28 nm
28 nm
Number of transistors
2x 2540 Million
3540 Million
Pipelines / CUDA cores
1920
1536
Power consumption (TDP)
150 Watt
122 Watt
Texture fill rate
-
92.2 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
2x 3 GB
2 GB
Memory bus width
2x 192 Bit
256 Bit
Memory clock speed
4000 MHz
2500 MHz
Memory bandwidth
-
160 GB/s
Shared memory
-
-
DirectX
11
12 API
CUDA
+
+
OpenCL
-
1.1
OpenGL
-
4.5
3D Vision
-
+
Optimus
+
+