
GeForce GTX 680MX and GeForce GTX 680M - video card comparison
Passmark - benchmark score GeForce GTX 680MX vs GeForce GTX 680M
GeForce GTX 680MX
4266
GeForce GTX 680M
3312
GeForce GTX 680MX
GeForce GTX 680M
Architecture
Kepler (2012−2018)
Kepler (2012−2018)
GPU code name
-
N13E-GTX
Market segment
Laptop
Laptop
Release date
October 2012
June 2012
Bus support
PCI Express 3.0
PCI Express 3.0
Interface
-
MXM-B (3.0)
Supplementary power connectors
-
None
SLI options
+
+
Boost clock speed
-
758 MHz
Core clock speed
720 MHz
720 MHz
CUDA cores
1536
1344
Floating-point performance
-
2,038 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
3540 Million
3,540 million
Pipelines / CUDA cores
1536
1344
Power consumption (TDP)
122 Watt
100 Watt
Texture fill rate
92.2 billion/sec
80.6 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
4 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
2500 MHz
1800 MHz
Memory bandwidth
160 GB/s
115.2 GB/s
Shared memory
-
-
Display Connectors
-
No outputs
DirectX
12 API
12 API
CUDA
+
+
OpenCL
1.1
1.1
OpenGL
4.5
4.5
Shader Model
-
5.1
Vulkan
-
1.1.126
3D Vision
+
-
Optimus
+
+