GeForce GTX 965M vs GeForce GTX 660

GeForce GTX 965M
Memory: 2048Mb GDDR5MOBILE
Release date: 9 Jan 2015
GeForce GTX 965M
GeForce GTX 660
Memory: 2048Mb GDDR5DESKTOP
Release date: 6 Sep 2012
GeForce GTX 660

Summary

Synthetic performance index

  • GeForce GTX 965M
    116%
  • GeForce GTX 660
    100%

Relative performance

Reasons to consider GeForce GTX 965M

This is a much newer product, it might have better long term support.
Around 16% 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Based on an outdated architecture (Nvidia Maxwell), there may be no performance optimizations for current games and applications

Reasons to consider GeForce GTX 660

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Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications

GeForce GTX 965M

HWBench recommends GeForce GTX 965M

The GeForce GTX 965M is the better performing card based on the synthetic benchmarks used (1 benchmarks).


Specifications

Core Configuration

GeForce GTX 965MGeForce GTX 660
GPU NameGM204 (N16E-GS-KAB-A1)vsGK106 (GK106-400-A1)
Fab Process28 nmvs28 nm
Die Size398 mm²vs221 mm²
Transistors5,200 millionvs2,540 million
Shaders1024vs960
Compute Units8vs5
Core clock924 MHzvs980 MHz
ROPs32vs24
TMUs64vs80

Memory Configuration

GeForce GTX 965MGeForce GTX 660
Memory TypeGDDR5vsGDDR5
Bus Width128 bitvs192 bit
Memory Speed1253 MHz
5012 MHz effective
vs1502 MHz
6008 MHz effective
Memory Size2048 Mbvs2048 Mb

Additional details

GeForce GTX 965MGeForce GTX 660
TDP0 wattsvs140 watts
Release Date9 Jan 2015vs6 Sep 2012

Raw Performance comparison

Pixel Rate

  • GeForce GTX 965M
    29.57 GP/s
  • GeForce GTX 660
    19.60 GP/s

GigaPixels - higher is better

Texel Rate

  • GeForce GTX 965M
    59.10 GT/s
  • GeForce GTX 660
    78.40 GT/s

GigaTexels - higher is better

Memory bandwidth

  • GeForce GTX 965M
    80.20 GB/s
  • GeForce GTX 660
    144.00 GB/s

GB/s - higher is better

Single precision performance

  • GeForce GTX 965M
    1892.40 GFLOPs
  • GeForce GTX 660
    1882.00 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • GeForce GTX 965M
    7890
  • GeForce GTX 660
    6800

Points (higher is better)