GeForce GT 520M and GeForce 8800 GTS 640 - video card comparison
GeForce GT 520M
GeForce 8800 GTS 640
Architecture
Fermi (2010−2014)
Tesla (2006−2010)
GPU code name
N12P-GP/LV
G80
Market segment
Laptop
Desktop
Release date
January 2011
November 2006
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
None
1x 6-pin
Core clock speed
740 / 600 MHz
513 MHz
CUDA cores
48
-
Floating-point performance
129.02 gflops
228.1 gflops
Manufacturing process technology
40 nm
90 nm
Number of transistors
585 million
681 million
Pipelines / CUDA cores
48
96
Power consumption (TDP)
12 Watt
143 Watt
Texture fill rate
5.9 billion/sec
24.62
Memory type
DDR3
GDDR3
Maximum RAM amount
1536 MB
640 MB
Memory bus width
64 Bit
320 Bit
Memory clock speed
800 MHz
1584 MHz
Memory bandwidth
12.8 GB/s
63.36 GB/s
Shared memory
-
-
Display Connectors
No outputs
2x DVI, 1x S-Video
DirectX
12 API
11.1 (10_0)
CUDA
+
+
OpenCL
1.1
1.1
OpenGL
4.5
3.3
Shader Model
5.1
4.0
Vulkan
N/A
N/A
Optimus
+
-