NVIDIA GeForce GT 420M vs NVIDIA GeForce GT 520MX

VS

NVIDIA GeForce GT 420M

NVIDIA GeForce GT 520MX

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 420M and 1024MB VRAM GeForce GT 520MX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 420M 's Advantages

Larger VRAM bandwidth (25.60GB/s vs 14.40GB/s)

48 additional rendering cores

NVIDIA GeForce GT 520MX 's Advantages

Released 8 months late

More VRAM (1024GB vs 512GB)

Lower TDP (20W vs 23W)

Score

Benchmark

FP32 (float)

GeForce GT 420M +10%

0.192 TFLOPS

GeForce GT 520MX

0.173 TFLOPS

GeForce GT 420M

VS

GeForce GT 520MX

Graphics Card

Sep 2010

Release Date

May 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

900 MHz

Memory

512MB

Memory Size

1024MB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

25.60GB/s

Bandwidth

14.40GB/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

1.800 GPixel/s

8.000 GTexel/s

Texture Rate

7.200 GTexel/s

-

192.0 GFLOPS

FP32 (float)

172.8 GFLOPS

16.00 GFLOPS

FP64 (double)

14.40 GFLOPS

Board Design

23W

TDP

20W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF108

GPU Name

GF119

N11P-GE-A1

GPU Variant

N12P-GVR-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

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