GeForce 315 OEM vs GeForce GT 640 GDDR5

GeForce 315 OEM
Memory: 256Mb DDR2DESKTOP
Release date: 28 Apr 2011
GeForce 315 OEM
GeForce GT 640 GDDR5
Memory: 1024Mb GDDR5DESKTOP
Release date: 29 May 2013
GeForce GT 640 GDDR5
You are comparing OEM or variant versions of at least one VGA. Did you mean GeForce 315 OEM vs GeForce GT 640 instead?

Summary

Reasons to consider GeForce 315 OEM

Based on an outdated architecture (Nvidia Tesla), there are no performance optimizations for current games and applications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 GDDR5

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Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications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 GDDR5

HWBench recommends GeForce GT 640 GDDR5

Based on theoretical specifications.


Specifications

Core Configuration

GeForce 315 OEMGeForce GT 640 GDDR5
GPU NameGT215 (GT215-450-A2)vsGK208 (GK208-400-A1)
Fab Process40 nmvs28 nm
Die Size144 mm²vs87 mm²
Transistors727 millionvsunknown
Shaders48vs384
Compute Units2vs2
Core clock506 MHzvs1046 MHz
ROPs4vs8
TMUs16vs16

Memory Configuration

GeForce 315 OEMGeForce GT 640 GDDR5
Memory TypeDDR2vsGDDR5
Bus Width64 bitvs64 bit
Memory Speed350 MHz
700 MHz effective
vs1252 MHz
5008 MHz effective
Memory Size256 Mbvs1024 Mb

Additional details

GeForce 315 OEMGeForce GT 640 GDDR5
TDP33 wattsvs49 watts
Release Date28 Apr 2011vs29 May 2013

Raw Performance comparison

Pixel Rate

  • GeForce 315 OEM
    2.02 GP/s
  • GeForce GT 640 GDDR5
    8.37 GP/s

GigaPixels - higher is better

Texel Rate

  • GeForce 315 OEM
    8.10 GT/s
  • GeForce GT 640 GDDR5
    16.70 GT/s

GigaTexels - higher is better

Memory bandwidth

  • GeForce 315 OEM
    5.60 GB/s
  • GeForce GT 640 GDDR5
    40.10 GB/s

GB/s - higher is better

Single precision performance

  • GeForce 315 OEM
    97.15 GFLOPs
  • GeForce GT 640 GDDR5
    803.30 GFLOPs

GFLOPs - higher is better