GeForce GT 420M vs GeForce GT 520M
We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 420M and 1024MB VRAM GeForce GT 520M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GT 420M Advantages
Larger VRAM bandwidth (25.60GB/s vs 12.80GB/s)
48 additional rendering cores
GeForce GT 520M Advantages
More VRAM (1024GB vs 512GB)
Lower TDP (12W vs 23W)
Score
Benchmark
FP32 (float)
GeForce GT 420M
+35%
192
GeForce GT 520M
142
3DMark Time Spy
GeForce GT 420M
+18%
104
GeForce GT 520M
88
Graphics Card
Sep 2010
Release Date
Jan 2011
GeForce 400M
Generation
GeForce 500M
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
800 MHz
Memory Clock
800 MHz
Memory
512MB
Memory Size
1024MB
DDR3
Memory Type
DDR3
128bit
Memory Bus
64bit
25.60GB/s
Bandwidth
12.80GB/s
Render Config
2
SM Count
1
96
Shading Units
48
16
TMUs
8
4
ROPs
4
64 KB (per SM)
L1 Cache
64 KB (per SM)
256 KB
L2 Cache
128 KB
Theoretical Performance
2.000 GPixel/s
Pixel Rate
1.480 GPixel/s
8.000 GTexel/s
Texture Rate
5.920 GTexel/s
192.0 GFLOPS
FP32 (float)
142.1 GFLOPS
16.00 GFLOPS
FP64 (double)
11.84 GFLOPS
Board Design
23W
TDP
12W
No outputs
Outputs
No outputs
Graphics Processor
GF108
GPU Name
GF119
N11P-GE-A1
GPU Variant
N12P-GV-B-A1
Fermi
Architecture
Fermi 2.0
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
0.585 billion
Transistors
0.292 billion
116 mm²
Die Size
79 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
1.1
OpenCL
1.1
N/A
Vulkan
N/A
2.1
CUDA
2.1
5.1
Shader Model
5.1
