GeForce 9600 GT vs GeForce GT 640

GeForce 9600 GT
Memory: 512Mb GDDR3DESKTOP
Release date: 21 Feb 2008
GeForce 9600 GT
GeForce GT 640
Memory: 2048Mb DDR3DESKTOP
Release date: 5 Jun 2012
GeForce GT 640

Summary

Reasons to consider GeForce 9600 GT

Based on an outdated architecture (Nvidia Tesla), there are no performance optimizations for current games and applications
PhysX support, however PhysX performance on newest games may be poor

Reasons to consider GeForce GT 640

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Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications

GeForce GT 640

HWBench recommends GeForce GT 640

Based on theoretical specifications.


Specifications

Core Configuration

GeForce 9600 GTGeForce GT 640
GPU NameG94 (G94-300-A1)vsGK107 (GK107-300-A2)
Fab Process65 nmvs28 nm
Die Size240 mm²vs118 mm²
Transistors505 millionvs1,270 million
Shaders64vs384
Compute Units4vs2
Core clock650 MHzvs902 MHz
ROPs16vs16
TMUs32vs32

Memory Configuration

GeForce 9600 GTGeForce GT 640
Memory TypeGDDR3vsDDR3
Bus Width256 bitvs128 bit
Memory Speed900 MHz
1800 MHz effective
vs891 MHz
1782 MHz effective
Memory Size512 Mbvs2048 Mb

Additional details

GeForce 9600 GTGeForce GT 640
TDP95 wattsvs65 watts
Release Date21 Feb 2008vs5 Jun 2012

Raw Performance comparison

Pixel Rate

  • GeForce 9600 GT
    10.40 GP/s
  • GeForce GT 640
    7.22 GP/s

GigaPixels - higher is better

Texel Rate

  • GeForce 9600 GT
    20.80 GT/s
  • GeForce GT 640
    28.90 GT/s

GigaTexels - higher is better

Memory bandwidth

  • GeForce 9600 GT
    57.60 GB/s
  • GeForce GT 640
    28.50 GB/s

GB/s - higher is better

Single precision performance

  • GeForce 9600 GT
    208.00 GFLOPs
  • GeForce GT 640
    692.70 GFLOPs

GFLOPs - higher is better