GeForce GTX 765M SLI and GeForce GTX 680M - video card comparison
GeForce GTX 765M SLI
GeForce GTX 680M
Architecture
Kepler (2012−2018)
Kepler (2012−2018)
GPU code name
-
N13E-GTX
Market segment
Laptop
Laptop
Release date
May 2013
June 2012
Bus support
-
PCI Express 3.0
Interface
-
MXM-B (3.0)
Supplementary power connectors
-
None
SLI options
+
+
Boost clock speed
-
758 MHz
Core clock speed
850 MHz
720 MHz
CUDA cores
-
1344
Floating-point performance
-
2,038 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2x 2540 Million
3,540 million
Pipelines / CUDA cores
1536
1344
Power consumption (TDP)
130 Watt
100 Watt
Texture fill rate
-
80.6 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
2x 2 GB
4 GB
Memory bus width
2x 128 Bit
256 Bit
Memory clock speed
4000 MHz
1800 MHz
Memory bandwidth
-
115.2 GB/s
Shared memory
-
-
Display Connectors
-
No outputs
DirectX
11
12 API
CUDA
+
+
OpenCL
-
1.1
OpenGL
-
4.5
Shader Model
-
5.1
Vulkan
-
1.1.126
Optimus
+
+