GeForce GTX 645 OEM vs GeForce GT 730

GeForce GTX 645 OEM
Memory: 1024Mb GDDR5DESKTOP
Release date: 22 Apr 2013
GeForce GTX 645 OEM
GeForce GT 730
Memory: 1024Mb DDR3DESKTOP
Release date: 18 Jun 2014
GeForce GT 730

Summary

Reasons to consider GeForce GTX 645 OEM

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Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications

Reasons to consider GeForce GT 730

This is a much newer product, it might have better long term support.
Supports PhysX
Based on an outdated architecture (Nvidia Fermi), there are no performance optimizations for current games and applications

GeForce GTX 645 OEM

HWBench recommends GeForce GTX 645 OEM

Based on theoretical specifications.


Specifications

Core Configuration

GeForce GTX 645 OEMGeForce GT 730
GPU NameGK106 ()vsGF108 (GF108-400-A1)
Fab Process28 nmvs40 nm
Die Size221 mm²vs116 mm²
Transistors2,540 millionvs585 million
Shaders576vs96
Compute Units3vs2
Core clock824 MHzvs700 MHz
ROPs16vs4
TMUs48vs16

Memory Configuration

GeForce GTX 645 OEMGeForce GT 730
Memory TypeGDDR5vsDDR3
Bus Width128 bitvs128 bit
Memory Speed1000 MHz
4000 MHz effective
vs900 MHz
1800 MHz effective
Memory Size1024 Mbvs1024 Mb

Additional details

GeForce GTX 645 OEMGeForce GT 730
TDP65 wattsvs49 watts
Release Date22 Apr 2013vs18 Jun 2014

Raw Performance comparison

Pixel Rate

  • GeForce GTX 645 OEM
    9.89 GP/s
  • GeForce GT 730
    2.80 GP/s

GigaPixels - higher is better

Texel Rate

  • GeForce GTX 645 OEM
    39.60 GT/s
  • GeForce GT 730
    11.20 GT/s

GigaTexels - higher is better

Memory bandwidth

  • GeForce GTX 645 OEM
    64.00 GB/s
  • GeForce GT 730
    28.80 GB/s

GB/s - higher is better

Single precision performance

  • GeForce GTX 645 OEM
    949.20 GFLOPs
  • GeForce GT 730
    268.80 GFLOPs

GFLOPs - higher is better