Radeon HD 7660D IGP vs GeForce GT 640 OEM

Radeon HD 7660D IGP
Memory: 0Mb System SharedDESKTOP
Release date: 2 Oct 2012
Radeon HD 7660D IGP
GeForce GT 640 OEM
Memory: 2048Mb DDR3DESKTOP
Release date: 24 Apr 2012
GeForce GT 640 OEM
You are comparing OEM or variant versions of at least one VGA. Did you mean Radeon HD 7660D IGP vs GeForce GT 640 instead?

Summary

Reasons to consider Radeon HD 7660D IGP

Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications

Reasons to consider GeForce GT 640 OEM

50 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 7660D IGP .
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Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications

No clear winner declared

We have no data to declare a winner at this time.


Specifications

Core Configuration

Radeon HD 7660D IGPGeForce GT 640 OEM
GPU NameDevastator ()vsGK107 (GK107-300-A2)
Fab Process32 nmvs28 nm
Die Size246 mm²vs118 mm²
Transistors1,303 millionvs1,270 million
Shaders384vs384
Compute Units6vs2
Core clock800 MHzvs797 MHz
ROPs8vs16
TMUs24vs32

Memory Configuration

Radeon HD 7660D IGPGeForce GT 640 OEM
Memory TypeSystem SharedvsDDR3
Bus WidthSystem Sharedvs128 bit
Memory SpeedSystem Sharedvs891 MHz
1782 MHz effective
Memory Size0 Mbvs2048 Mb

Additional details

Radeon HD 7660D IGPGeForce GT 640 OEM
TDP100 wattsvs50 watts
Release Date2 Oct 2012vs24 Apr 2012

Raw Performance comparison

Pixel Rate

  • Radeon HD 7660D IGP
    6.40 GP/s
  • GeForce GT 640 OEM
    6.38 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 7660D IGP
    19.20 GT/s
  • GeForce GT 640 OEM
    25.50 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 7660D IGP
    0.00 GB/s
  • GeForce GT 640 OEM
    28.50 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 7660D IGP
    614.40 GFLOPs
  • GeForce GT 640 OEM
    612.10 GFLOPs

GFLOPs - higher is better