GeForce 840M vs GeForce GTX 950M

GeForce 840M
Memory: 1024Mb DDR3MOBILE
Release date: 12 Mar 2014
GeForce 840M
GeForce GTX 950M
Memory: 4096Mb DDR3MOBILE
Release date: 13 Mar 2015
GeForce GTX 950M

Summary

Synthetic performance index

  • GeForce 840M
    100%
  • GeForce GTX 950M
    181%

Relative performance

Reasons to consider GeForce 840M

42 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the GeForce GTX 950M .
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Based on an outdated architecture (Nvidia Maxwell), there may be no performance optimizations for current games and applications

Reasons to consider GeForce GTX 950M

This is a much newer product, it might have better long term support.
Around 81% 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Based on an outdated architecture (Nvidia Maxwell), there may be no performance optimizations for current games and applications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 GTX 950M

HWBench recommends GeForce GTX 950M

The GeForce GTX 950M is the better performing card based on the synthetic benchmarks used (1 benchmarks).


Specifications

Core Configuration

GeForce 840MGeForce GTX 950M
GPU NameGM108 (N15S-GT)vsGM107 (N16P-GT)
Fab Process28 nmvs28 nm
Die Size0 mm²vs148 mm²
Transistorsunknownvs1,870 million
Shaders384vs640
Compute Units3vs5
Core clock1029 MHzvs993 MHz
ROPs8vs16
TMUs16vs40

Memory Configuration

GeForce 840MGeForce GTX 950M
Memory TypeDDR3vsDDR3
Bus Width64 bitvs128 bit
Memory Speed1001 MHz
2002 MHz effective
vs900 MHz
1800 MHz effective
Memory Size1024 Mbvs4096 Mb

Additional details

GeForce 840MGeForce GTX 950M
TDP33 wattsvs75 watts
Release Date12 Mar 2014vs13 Mar 2015

Raw Performance comparison

Pixel Rate

  • GeForce 840M
    8.23 GP/s
  • GeForce GTX 950M
    15.89 GP/s

GigaPixels - higher is better

Texel Rate

  • GeForce 840M
    16.46 GT/s
  • GeForce GTX 950M
    39.70 GT/s

GigaTexels - higher is better

Memory bandwidth

  • GeForce 840M
    16.02 GB/s
  • GeForce GTX 950M
    28.80 GB/s

GB/s - higher is better

Single precision performance

  • GeForce 840M
    790.30 GFLOPs
  • GeForce GTX 950M
    1271.00 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • GeForce 840M
    2430
  • GeForce GTX 950M
    4410

Points (higher is better)

Similar comparisons