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Compared to... Canon PowerShot G7

Below you will find a studio comparison between the Canon PowerShot G9 and the Canon PowerShot G7 at ISO 1600.

Studio scene comparison (@ ISO 1600)

  • Canon PowerShot G9: Aperture Priority mode, ISO 1600, Default Image Parameters,
    Manual white balance, +0.67 EV compensation
  • Canon PowerShot G7: Aperture Priority mode, ISO 1600, Default Image Parameters,
    Manual white balance, +0.33 EV compensation
  • Lighting: Daylight simulation, >98% CRI
Canon PowerShot G9
Canon PowerShot G7
ISO 1600, 1/807 sec, F5
ISO 1600, 1/1250 sec, F5
5,489 KB JPEG
5,262 KB JPEG

Here you can see much more clearly the different approach to noise reduction Canon is using with the G9. On the positive side the output looks a lot less noisy and there is marginally more luminance detail preserved, so you could say it was better, but it also looks softer and our tests show it removes marginally more low contrast detail, so you could also say it's worse by that measure.

High ISO is one of the buzzy selling points of compact cameras this year, but as these (and most other) results show, the reality simply cannot live up to the hyperbole. For a quick social snap in low light when you don't want to use flash - and when you don't intend to produce anything bigger than a postcard print - I guess you could use it (and there are worse out there), but then you might as well use your cellphone's camera. I'd also note that the G9's 'ISO 1600' doesn't seem to be quite as sensitive as the G7's, even taking into account the fact the G9 shot is brighter.

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Silvita

My super wonderful G9 is going to turn 6 years old soon.

I am grateful to Canon for this sort of masterpiece, despite I have some troubles now due to dust on sensor. But I am sure I'll find the right people that will sort this out.
And I'll keep shooting with her.

Greets to all the reviewers from Italy.

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