GeForce GT 520M and GeForce 256 DDR - video card comparison
GeForce GT 520M
GeForce 256 DDR
Architecture
Fermi (2010−2014)
Celsius (1999−2005)
GPU code name
N12P-GP/LV
NV10 A3
Market segment
Laptop
Desktop
Release date
January 2011
December 1999
Interface
PCIe 2.0 x16
AGP 4x
Supplementary power connectors
None
None
Core clock speed
740 / 600 MHz
120 MHz
CUDA cores
48
-
Floating-point performance
129.02 gflops
-
Manufacturing process technology
40 nm
220 nm
Number of transistors
585 million
17 million
Pipelines / CUDA cores
48
-
Power consumption (TDP)
12 Watt
-
Texture fill rate
5.9 billion/sec
0.48
Memory type
DDR3
DDR
Maximum RAM amount
1536 MB
32 MB
Memory bus width
64 Bit
128 Bit
Memory clock speed
800 MHz
300 MHz
Memory bandwidth
12.8 GB/s
4.8 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x VGA
DirectX
12 API
7.0
CUDA
+
-
OpenCL
1.1
N/A
OpenGL
4.5
1.2
Shader Model
5.1
-
Vulkan
N/A
N/A
Optimus
+
-