Generally, some of the advantages of the Canon G9 compared to super zoom competitors include: it has a significantly larger screen (3.0" vs 2.7"), is much smaller (mid size 106x72x43 mm vs professional size 123x92x108 mm), takes much higher resolution photos (12 MP vs 9.7 MP), has a much larger sensor (1/1.7" 7.6x5.7mm vs 1/2.3" 6.2x4.6mm) and is thinner (1.7" vs 4.3").
However, on average it has way more less zoom (6x vs 35x), records lower quality movies (1024 x 768 @ 15fps vs 1080p @ 24fps), has a much narrower wide angle lens (35 mm vs 24 mm), doesn't record high-speed movies (none vs 240 fps) and slightly lower maximum light sensitivity (1,600 ISO vs 3,200 ISO).
Canon Powershot SX40
4 years newer
$337 - $380
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Significant advantages of the SX40 (vs the G9)
- Much more zoom: 35x vs 6x
- Much better wide angle: 24 mm vs 35 mm
- Higher resolution movies: 1080p @ 24fps vs 1024 x 768 @ 15fps
Significant disadvantages of the SX40 (vs the G9)
- Much larger: Professional size 123x92x108 mm vs Mid size 106x72x43 mm
- Much lower true resolution: 9.7 MP vs 12 MP
- Much smaller sensor: 1/2.3" 6.2x4.6mm vs 1/1.7" 7.6x5.7mm
common strengths of the SX40 and G9
- Support external flash
- Viewfinders: Digital vs Tunnel
- Fast max shutter speeds: 1/3200 of a second vs 1/2500 of a second
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