GeForce GTX 680MX and GeForce GTX 670M - video card comparison
Passmark - benchmark score GeForce GTX 680MX vs GeForce GTX 670M
GeForce GTX 680MX
4266
GeForce GTX 670M
1788
GeForce GTX 680MX
GeForce GTX 670M
Architecture
Kepler (2012−2018)
Fermi (2010−2014)
GPU code name
-
N13E-GS1-LP
Market segment
Laptop
Laptop
Release date
October 2012
March 2012
Bus support
PCI Express 3.0
PCI Express 2.0
Interface
-
MXM-B (3.0)
SLI options
+
+
Core clock speed
720 MHz
598 MHz
CUDA cores
1536
336
Floating-point performance
-
803.7 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
3540 Million
1,950 million
Pipelines / CUDA cores
1536
336
Power consumption (TDP)
122 Watt
75 Watt
Texture fill rate
92.2 billion/sec
33.5 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
3 GB
Memory bus width
256 Bit
192bit
Memory clock speed
2500 MHz
1500 MHz
Memory bandwidth
160 GB/s
72.0 GB/s
Shared memory
-
-
Display Connectors
-
No outputs
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
Up to 2048x1536
DirectX
12 API
12 API
CUDA
+
+
OpenCL
1.1
1.1
OpenGL
4.5
4.5
Shader Model
-
5.1
Vulkan
-
N/A
3D Vision
+
-
Optimus
+
+