GeForce GT 520MX and Radeon X1900 XT - video card comparison
GeForce GT 520MX
Radeon X1900 XT
Architecture
Fermi (2010−2014)
R500 (2005−2007)
GPU code name
N12P-GVR
R580
Market segment
Laptop
Desktop
Release date
May 2011
January 2006
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
-
1x 6-pin
Core clock speed
900 MHz
625 MHz
CUDA cores
48
-
Floating-point performance
172.8 gflops
-
Manufacturing process technology
40 nm
90 nm
Number of transistors
292 million
384 million
Pipelines / CUDA cores
48
-
Power consumption (TDP)
20 Watt
100 Watt
Texture fill rate
7.2 billion/sec
10.00
Memory type
DDR3
GDDR3
Maximum RAM amount
1 GB
256 MB
Memory bus width
64 Bit
256 Bit
Memory clock speed
900 MHz
1450 MBps
Memory bandwidth
14.4 GB/s
46.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
2x DVI, 1x S-Video
DirectX
12 API
9.0c (9_3)
CUDA
+
-
OpenCL
1.1
N/A
OpenGL
4.5
2.1 (full)
Shader Model5.13.0
Vulkan
N/A
N/A
Optimus
+
-