Radeon HD 7770M and GeForce GT 520M - video card comparison
Radeon HD 7770M
GeForce GT 520M
Architecture
GCN (2011−2017)
Fermi (2010−2014)
GPU code name
Chelsea XT
N12P-GP/LV
Market segment
Laptop
Laptop
Release date
April 2012
January 2011
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
-
None
Core clock speed
675 MHz
740 / 600 MHz
CUDA cores
-
48
Floating-point performance
691.2 gflops
129.02 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,500 million
585 million
Pipelines / CUDA cores
512
48
Power consumption (TDP)
32 Watt
12 Watt
Texture fill rate
21.60
5.9 billion/sec
Memory type
GDDR5
DDR3
Maximum RAM amount
1 GB
1536 MB
Memory bus width
128 Bit
64 Bit
Memory clock speed
4000 MHz
800 MHz
Memory bandwidth
64 GB/s
12.8 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_1)
12 API
CUDA
-
+
OpenCL
1.2
1.1
OpenGL
4.6
4.5
Shader Model
5.1
5.1
Vulkan
1.2.131
N/A
Optimus
-
+