GeForce 820M vs GeForce 940MX

GeForce 820M
Memory: 2048Mb DDR3MOBILE
Release date: 21 Mar 2015
GeForce 820M
GeForce 940MX
Memory: 2048Mb GDDR5MOBILE
Release date: 28 Jun 2016
GeForce 940MX

Summary

Reasons to consider GeForce 820M

Supports PhysX
Supports G-Sync
Supports ShadowPlay (allows game streaming/recording with minimum performance penalty)
Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications

Reasons to consider GeForce 940MX

This is a much newer product, it might have better long term support.
Supports PhysX
Supports G-Sync
Supports ShadowPlay (allows game streaming/recording with minimum performance penalty)
Based on an outdated architecture (Nvidia Maxwell), there may be no performance optimizations for current games and applications

No clear winner declared

We have no data to declare a winner at this time.


Specifications

Core Configuration

GeForce 820MGeForce 940MX
GPU NameGK107 ()vsGM108 (N16S-GT1R)
Fab Process28 nmvs28 nm
Die Size118 mm²vs0 mm²
Transistors1,270 millionvsunknown
Shaders384vs384
Compute Units2vs3
Core clock810 MHzvs795 MHz
ROPs16vs8
TMUs32vs24

Memory Configuration

GeForce 820MGeForce 940MX
Memory TypeDDR3vsGDDR5
Bus Width128 bitvs64 bit
Memory Speed901 MHz
1802 MHz effective
vs1253 MHz
5012 MHz effective
Memory Size2048 Mbvs2048 Mb

Additional details

GeForce 820MGeForce 940MX
TDP45 wattsvs23 watts
Release Date21 Mar 2015vs28 Jun 2016

Raw Performance comparison

Pixel Rate

  • GeForce 820M
    6.48 GP/s
  • GeForce 940MX
    6.36 GP/s

GigaPixels - higher is better

Texel Rate

  • GeForce 820M
    25.92 GT/s
  • GeForce 940MX
    19.08 GT/s

GigaTexels - higher is better

Memory bandwidth

  • GeForce 820M
    28.83 GB/s
  • GeForce 940MX
    40.10 GB/s

GB/s - higher is better

Single precision performance

  • GeForce 820M
    622.10 GFLOPs
  • GeForce 940MX
    610.60 GFLOPs

GFLOPs - higher is better

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