GeForce GTX 465 vs GeForce GT 640

GeForce GTX 465
Memory: 1024Mb GDDR5DESKTOP
Release date: 31 May 2010
GeForce GTX 465
GeForce GT 640
Memory: 2048Mb DDR3DESKTOP
Release date: 5 Jun 2012
GeForce GT 640

Summary

Synthetic performance index

  • GeForce GTX 465
    170%
  • GeForce GT 640
    100%

Relative performance

Reasons to consider GeForce GTX 465

Around 70% higher average synthetic performance.
Supports PhysX
Based on an outdated architecture (Nvidia Fermi), there are no performance optimizations for current games and applications

Reasons to consider GeForce GT 640

135 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the GeForce GTX 465 .
This is a much newer product, it might have better long term support.
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Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications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 465

HWBench recommends GeForce GTX 465

The GeForce GTX 465 is the better performing card based on the synthetic benchmarks used (1 benchmarks).


Specifications

Core Configuration

GeForce GTX 465GeForce GT 640
GPU NameGF100 (GF100-030-A3)vsGK107 (GK107-300-A2)
Fab Process40 nmvs28 nm
Die Size529 mm²vs118 mm²
Transistors3,100 millionvs1,270 million
Shaders352vs384
Compute Units11vs2
Core clock608 MHzvs902 MHz
ROPs32vs16
TMUs44vs32

Memory Configuration

GeForce GTX 465GeForce GT 640
Memory TypeGDDR5vsDDR3
Bus Width256 bitvs128 bit
Memory Speed802 MHz
3208 MHz effective
vs891 MHz
1782 MHz effective
Memory Size1024 Mbvs2048 Mb

Additional details

GeForce GTX 465GeForce GT 640
TDP200 wattsvs65 watts
Release Date31 May 2010vs5 Jun 2012

Raw Performance comparison

Pixel Rate

  • GeForce GTX 465
    13.40 GP/s
  • GeForce GT 640
    7.22 GP/s

GigaPixels - higher is better

Texel Rate

  • GeForce GTX 465
    26.80 GT/s
  • GeForce GT 640
    28.90 GT/s

GigaTexels - higher is better

Memory bandwidth

  • GeForce GTX 465
    103.00 GB/s
  • GeForce GT 640
    28.50 GB/s

GB/s - higher is better

Single precision performance

  • GeForce GTX 465
    855.40 GFLOPs
  • GeForce GT 640
    692.70 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • GeForce GTX 465
    3730
  • GeForce GT 640
    2190

Points (higher is better)