GeForce GTX 660M vs GeForce 830A

GeForce GTX 660M
Memory: 1024Mb GDDR5MOBILE
Release date: 22 Mar 2012
GeForce GTX 660M
GeForce 830A
Memory: 2048Mb DDR3MOBILE
Release date: 22 Jul 2014
GeForce 830A

Summary

Reasons to consider GeForce GTX 660M

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Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications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 830A

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Based on an outdated architecture (Nvidia Maxwell), there may be no performance optimizations for current games and applications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 830A

HWBench recommends GeForce 830A

Based on theoretical specifications.


Specifications

Core Configuration

GeForce GTX 660MGeForce 830A
GPU NameGK107 (N13E-GE-A2)vsGM108 ()
Fab Process28 nmvs28 nm
Die Size118 mm²vs0 mm²
Transistors1,270 millionvsunknown
Shaders384vs256
Compute Units2vs2
Core clock835 MHzvs1082 MHz
ROPs16vs8
TMUs32vs16

Memory Configuration

GeForce GTX 660MGeForce 830A
Memory TypeGDDR5vsDDR3
Bus Width128 bitvs64 bit
Memory Speed1000 MHz
4000 MHz effective
vs900 MHz
1800 MHz effective
Memory Size1024 Mbvs2048 Mb

Additional details

GeForce GTX 660MGeForce 830A
TDP50 wattsvs33 watts
Release Date22 Mar 2012vs22 Jul 2014

Raw Performance comparison

Pixel Rate

  • GeForce GTX 660M
    6.68 GP/s
  • GeForce 830A
    8.66 GP/s

GigaPixels - higher is better

Texel Rate

  • GeForce GTX 660M
    26.72 GT/s
  • GeForce 830A
    17.31 GT/s

GigaTexels - higher is better

Memory bandwidth

  • GeForce GTX 660M
    64.00 GB/s
  • GeForce 830A
    14.40 GB/s

GB/s - higher is better

Single precision performance

  • GeForce GTX 660M
    641.30 GFLOPs
  • GeForce 830A
    554.00 GFLOPs

GFLOPs - higher is better

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