
GeForce GTX 680MX and GeForce GT 520 - video card comparison
Passmark - benchmark score GeForce GTX 680MX vs GeForce GT 520
GeForce GTX 680MX
4266
GeForce GT 520
318
GeForce GTX 680MX
GeForce GT 520
Architecture
Kepler (2012−2018)
Fermi 2.0 (2010−2014)
GPU code name
-
GF119
Market segment
Laptop
Desktop
Release date
October 2012
April 2011
Bus support
PCI Express 3.0
16x PCI-E 2.0
Interface
-
PCIe 2.0 x16
Supplementary power connectors
-
None
SLI options
+
-
Core clock speed
720 MHz
810 MHz
CUDA cores
1536
48
Floating-point performance
-
155.52 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
3540 Million
292 million
Pipelines / CUDA cores
1536
48
Power consumption (TDP)
122 Watt
29 Watt
Maximum GPU temperature
-
102 °C
Texture fill rate
92.2 billion/sec
6.5 billion/sec
Memory type
GDDR5
DDR3
Maximum RAM amount
2 GB
1 GB (DDR3)
Memory bus width
256 Bit
64 Bit
Memory clock speed
2500 MHz
900 MHz (DDR3)
Memory bandwidth
160 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
-
Dual Link DVI-IHDMIVGA (optional)
Multi monitor support
-
+
HDMI
-
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
Internal
DirectX
12 API
12 (11_0)
CUDA
+
+
OpenCL
1.1
1.1
OpenGL
4.5
4.2
Shader Model
-
5.1
Vulkan
-
N/A
3D Vision
+
-
Optimus
+
-