Radeon HD 6620G and GeForce GT 520M - video card comparison
Passmark - benchmark score Radeon HD 6620G vs GeForce GT 520M
Radeon HD 6620G
351
GeForce GT 520M
289
Radeon HD 6620G
GeForce GT 520M
Architecture
Terascale 2 (2009−2015)
Fermi (2010−2014)
GPU code name
Llano
N12P-GP/LV
Market segment
Laptop
Laptop
Release date
June 2011
January 2011
Interface
IGP
PCIe 2.0 x16
Supplementary power connectors
-
None
Core clock speed
400 MHz
740 / 600 MHz
CUDA cores
-
48
Floating-point performance
-
129.02 gflops
Manufacturing process technology
32 nm
40 nm
Number of transistors
1000 Million
585 million
Pipelines / CUDA cores
400
48
Power consumption (TDP)
35 Watt
12 Watt
Texture fill rate
8.880
5.9 billion/sec
Memory type
System Shared
DDR3
Maximum RAM amount
System Shared
1536 MB
Memory bus width
System Shared
64 Bit
Memory clock speed
System Shared
800 MHz
Memory bandwidth
-
12.8 GB/s
Shared memory
+
-
Display Connectors
No outputs
No outputs
DirectX
11.2 (11_0)
12 API
CUDA
-
+
OpenCL
1.2
1.1
OpenGL
4.4
4.5
Shader Model
5.0
5.1
Vulkan
N/A
N/A
Optimus
-
+