GeForce GT 745A vs GeForce 940A

GeForce GT 745A
Memory: 2048Mb DDR3MOBILE
Release date: 26 Aug 2013
GeForce GT 745A
GeForce 940A
Memory: 1024Mb DDR3MOBILE
Release date: 13 Mar 2015
GeForce 940A

Summary

Reasons to consider GeForce GT 745A

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Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications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

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Based on an outdated architecture (Nvidia Maxwell), there may be no performance optimizations for current games and applications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 940A

HWBench recommends GeForce 940A

Based on theoretical specifications.


Specifications

Core Configuration

GeForce GT 745AGeForce 940A
GPU NameGK107 (N14P-LP)vsGM108 (N16S-GT-S)
Fab Process28 nmvs28 nm
Die Size118 mm²vs0 mm²
Transistors1,270 millionvsunknown
Shaders384vs384
Compute Units2vs3
Core clock837 MHzvs1029 MHz
ROPs16vs8
TMUs32vs16

Memory Configuration

GeForce GT 745AGeForce 940A
Memory TypeDDR3vsDDR3
Bus Width128 bitvs64 bit
Memory Speed900 MHz
1800 MHz effective
vs1001 MHz
2002 MHz effective
Memory Size2048 Mbvs1024 Mb

Additional details

GeForce GT 745AGeForce 940A
TDP33 wattsvs33 watts
Release Date26 Aug 2013vs13 Mar 2015

Raw Performance comparison

Pixel Rate

  • GeForce GT 745A
    6.70 GP/s
  • GeForce 940A
    8.23 GP/s

GigaPixels - higher is better

Texel Rate

  • GeForce GT 745A
    26.78 GT/s
  • GeForce 940A
    16.46 GT/s

GigaTexels - higher is better

Memory bandwidth

  • GeForce GT 745A
    28.80 GB/s
  • GeForce 940A
    16.02 GB/s

GB/s - higher is better

Single precision performance

  • GeForce GT 745A
    642.80 GFLOPs
  • GeForce 940A
    790.30 GFLOPs

GFLOPs - higher is better

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