GeForce GTX 680MX and GeForce GTX 765M SLI - video card comparison
GeForce GTX 680MX
GeForce GTX 765M SLI
Architecture
Kepler (2012−2018)
Kepler (2012−2018)
Market segment
Laptop
Laptop
Release date
October 2012
May 2013
Bus support
PCI Express 3.0
-
SLI options
+
+
Core clock speed
720 MHz
850 MHz
CUDA cores
1536
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
3540 Million
2x 2540 Million
Pipelines / CUDA cores
1536
1536
Power consumption (TDP)
122 Watt
130 Watt
Texture fill rate
92.2 billion/sec
-
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2x 2 GB
Memory bus width
256 Bit
2x 128 Bit
Memory clock speed
2500 MHz
4000 MHz
Memory bandwidth
160 GB/s
-
Shared memory
-
-
DirectX
12 API
11
CUDA
+
+
OpenCL
1.1
-
OpenGL
4.5
-
3D Vision
+
-
Optimus
+
+