
GeForce GTX 680MX and GeForce GTX 580M SLI - video card comparison
GeForce GTX 680MX
GeForce GTX 580M SLI
Architecture
Kepler (2012−2018)
Fermi (2010−2014)
GPU code name
-
N12E-GTX2
Market segment
Laptop
Laptop
Release date
October 2012
January 2011
Bus support
PCI Express 3.0
-
SLI options
+
-
Core clock speed
720 MHz
620 MHz
CUDA cores
1536
-
Manufacturing process technology
28 nm
40 nm
Number of transistors
3540 Million
-
Pipelines / CUDA cores
1536
768
Power consumption (TDP)
122 Watt
100 Watt
Texture fill rate
92.2 billion/sec
-
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
-
Memory bus width
256 Bit
256 Bit
Memory clock speed
2500 MHz
1500 MHz
Memory bandwidth
160 GB/s
-
Shared memory
-
-
DirectX
12 API
11
CUDA
+
-
OpenCL
1.1
-
OpenGL
4.5
-
3D Vision
+
-
Optimus
+
-