GeForce GT 540M vs GeForce 840M

GeForce GT 540M
Memory: 1024Mb DDR3MOBILE
Release date: 5 Jan 2011
GeForce GT 540M
GeForce 840M
Memory: 1024Mb DDR3MOBILE
Release date: 12 Mar 2014
GeForce 840M

Summary

Synthetic performance index

  • GeForce GT 540M
    100%
  • GeForce 840M
    245%

Relative performance

Reasons to consider GeForce GT 540M

Supports PhysX
Based on an outdated architecture (Nvidia Fermi), there are no performance optimizations for current games and applications

Reasons to consider GeForce 840M

This is a much newer product, it might have better long term support.
Around 145% higher average synthetic performance.
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Based on an outdated architecture (Nvidia Maxwell), there may be no performance optimizations for current games and applications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 840M

HWBench recommends GeForce 840M

The GeForce 840M is the better performing card based on the synthetic benchmarks used (1 benchmarks).


Specifications

Core Configuration

GeForce GT 540MGeForce 840M
GPU NameGF108 (N12P-GS-A1)vsGM108 (N15S-GT)
Fab Process40 nmvs28 nm
Die Size116 mm²vs0 mm²
Transistors585 millionvsunknown
Shaders96vs384
Compute Units2vs3
Core clock672 MHzvs1029 MHz
ROPs4vs8
TMUs16vs16

Memory Configuration

GeForce GT 540MGeForce 840M
Memory TypeDDR3vsDDR3
Bus Width128 bitvs64 bit
Memory Speed900 MHz
1800 MHz effective
vs1001 MHz
2002 MHz effective
Memory Size1024 Mbvs1024 Mb

Additional details

GeForce GT 540MGeForce 840M
TDP35 wattsvs33 watts
Release Date5 Jan 2011vs12 Mar 2014

Raw Performance comparison

Pixel Rate

  • GeForce GT 540M
    2.68 GP/s
  • GeForce 840M
    8.23 GP/s

GigaPixels - higher is better

Texel Rate

  • GeForce GT 540M
    10.75 GT/s
  • GeForce 840M
    16.46 GT/s

GigaTexels - higher is better

Memory bandwidth

  • GeForce GT 540M
    28.80 GB/s
  • GeForce 840M
    16.02 GB/s

GB/s - higher is better

Single precision performance

  • GeForce GT 540M
    258.05 GFLOPs
  • GeForce 840M
    790.30 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • GeForce GT 540M
    990
  • GeForce 840M
    2430

Points (higher is better)

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