GeForce GT 745M vs GeForce 940M

GeForce GT 745M
Memory: 2048Mb DDR3MOBILE
Release date: 1 Apr 2013
GeForce GT 745M
GeForce 940M
Memory: 2048Mb DDR3MOBILE
Release date: 13 Mar 2015
GeForce 940M

Summary

Reasons to consider GeForce GT 745M

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Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications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 940M

This is a much newer product, it might have better long term support.
Higher theoretical gaming performance, based on specifications.
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Based on an outdated architecture (Nvidia Maxwell), there may be no performance optimizations for current games and applications

GeForce 940M

HWBench recommends GeForce 940M

Based on theoretical specifications.


Specifications

Core Configuration

GeForce GT 745MGeForce 940M
GPU NameGK107 (N14P-LP)vsGM108 (N16S-GT-S)
Fab Process28 nmvs28 nm
Die Size118 mm²vs0 mm²
Transistors1,270 millionvsunknown
Shaders384vs384
Compute Units2vs3
Core clock837 MHzvs1072 MHz
ROPs16vs8
TMUs32vs24

Memory Configuration

GeForce GT 745MGeForce 940M
Memory TypeDDR3vsDDR3
Bus Width128 bitvs64 bit
Memory Speed900 MHz
1800 MHz effective
vs900 MHz
1800 MHz effective
Memory Size2048 Mbvs2048 Mb

Additional details

GeForce GT 745MGeForce 940M
TDP45 wattsvs33 watts
Release Date1 Apr 2013vs13 Mar 2015

Raw Performance comparison

Pixel Rate

  • GeForce GT 745M
    6.70 GP/s
  • GeForce 940M
    8.58 GP/s

GigaPixels - higher is better

Texel Rate

  • GeForce GT 745M
    26.78 GT/s
  • GeForce 940M
    25.73 GT/s

GigaTexels - higher is better

Memory bandwidth

  • GeForce GT 745M
    28.80 GB/s
  • GeForce 940M
    14.40 GB/s

GB/s - higher is better

Single precision performance

  • GeForce GT 745M
    642.80 GFLOPs
  • GeForce 940M
    823.30 GFLOPs

GFLOPs - higher is better

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