GeForce GTX 680M and GeForce 720M - video card comparison
GeForce GTX 680M
GeForce 720M
Architecture
Kepler (2012−2018)
Fermi 2.0 (2010−2014)
GPU code name
N13E-GTX
GF117
Market segment
Laptop
Desktop
Release date
June 2012
April 2013
Bus support
PCI Express 3.0
-
Interface
MXM-B (3.0)
PCIe 2.0 x16
Supplementary power connectors
None
-
SLI options
+
-
Boost clock speed
758 MHz
-
Core clock speed
720 MHz
625 MHz
CUDA cores
1344
-
Floating-point performance
2,038 gflops
240.0 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
3,540 million
585 million
Pipelines / CUDA cores
1344
96
Power consumption (TDP)
100 Watt
33 Watt
Texture fill rate
80.6 billion/sec
10.00
Memory type
GDDR5
DDR3
Maximum RAM amount
4 GB
2 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
1800 MHz
1600 MHz
Memory bandwidth
115.2 GB/s
12.8 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 API
12 (11_0)
CUDA
+
2.1
OpenCL
1.1
1.1
OpenGL
4.5
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
N/A
Optimus
+
-