NVIDIA GeForce 720M vs NVIDIA GeForce GT 420M

VS

NVIDIA GeForce 720M

NVIDIA GeForce GT 420M

We compared two Mobile platform GPUs: 2GB VRAM GeForce 720M and 512MB VRAM GeForce GT 420M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 720M 's Advantages

Released 2 years and 7 months late

More VRAM (2GB vs 512GB)

NVIDIA GeForce GT 420M 's Advantages

Larger VRAM bandwidth (25.60GB/s vs 12.80GB/s)

Lower TDP (23W vs 33W)

Score

Benchmark

FP32 (float)

GeForce 720M +25%

0.24 TFLOPS

GeForce GT 420M

0.192 TFLOPS

GeForce 720M

VS

GeForce GT 420M

Graphics Card

Apr 2013

Release Date

Sep 2010

GeForce 700M

Generation

GeForce 400M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

512MB

DDR3

Memory Type

DDR3

64bit

Memory Bus

128bit

12.80GB/s

Bandwidth

25.60GB/s

Render Config

-

2

SM Count

2

96

Shading Units

96

16

TMUs

16

8

ROPs

4

-

64 KB (per SM)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

2.000 GPixel/s

10.00 GTexel/s

Texture Rate

8.000 GTexel/s

-

240.0 GFLOPS

FP32 (float)

192.0 GFLOPS

20.00 GFLOPS

FP64 (double)

16.00 GFLOPS

Board Design

33W

TDP

23W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF117

GPU Name

GF108

N14M-GE

GPU Variant

N11P-GE-A1

Fermi 2.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 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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