Compared to... Fujifilm FinePix F30

Below you will find a studio comparison between the Canon PowerShot A640 and the Fujifilm FinePix F30 at ISO 800.

Studio scene comparison (@ ISO 800)

• Canon PowerShot A640: Aperture Priority mode (F5.0), ISO 80, Default Image Parameters, Manual white balance, +0.7 EV compensation

• Fuji FinePix F30 : Aperture Priority mode, ISO 800, Default Image Parameters,
  Manual white balance, +0.33 EV compensation

• Lighting: Daylight simulation, >98% CRI

Canon PowerShot A640	Fujifilm FinePix F30
ISO 800, 1/500 sec, F5.0	ISO 800, 1/461 sec, F4.9
6,014 KB JPEG	2,900 KB JPEG

At ISO 800 the amount in of noise in the A640 shot has degraded the output significantly, though there is still detail in there and you could - at a push - use it for smaller print sizes,. By comparison the F30 result is still pretty usable.