NVIDIA GeForce GT 420M vs NVIDIA GeForce 720M

VS

NVIDIA GeForce GT 420M

NVIDIA GeForce 720M

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 420M and 2GB VRAM GeForce 720M 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 12.80GB/s)

Lower TDP (23W vs 33W)

NVIDIA GeForce 720M 's Advantages

Released 2 years and 7 months late

More VRAM (2GB vs 512GB)

Score

Benchmark

FP32 (float)

GeForce GT 420M

0.192 TFLOPS

GeForce 720M +25%

0.24 TFLOPS

GeForce GT 420M

VS

GeForce 720M

Graphics Card

Sep 2010

Release Date

Apr 2013

GeForce 400M

Generation

GeForce 700M

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

2GB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

25.60GB/s

Bandwidth

12.80GB/s

Render Config

-

2

SM Count

2

96

Shading Units

96

16

TMUs

16

4

ROPs

8

-

64 KB (per SM)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

2.000 GPixel/s

Pixel Rate

2.500 GPixel/s

8.000 GTexel/s

Texture Rate

10.00 GTexel/s

-

192.0 GFLOPS

FP32 (float)

240.0 GFLOPS

16.00 GFLOPS

FP64 (double)

20.00 GFLOPS

Board Design

23W

TDP

33W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF108

GPU Name

GF117

N11P-GE-A1

GPU Variant

N14M-GE

Fermi

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.585 billion

Transistors

0.585 billion

116 mm²

Die Size

116 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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