Generally, some of the advantages of the Panasonic DMC-GH1 compared to pro digicam competitors include: it has a much larger sensor (four thirds 17.3x13.0mm vs 1/1.7" 7.6x5.7mm), is much less noisy at high ISO (772 ISO vs 153 ISO), has much better image quality (64.0 vs 47.0), records higher quality movies (1080p @ 24fps vs 720p @ 24fps) and has a slightly larger screen (3.0" vs 2.8").
However, on average it is significantly larger (prosumer size 124x90x76 mm vs compact 99x58x29 mm), doesn't have image stabilization (none vs lens), slightly lower maximum light sensitivity (1,600 ISO vs 3,200 ISO), is older (march, 2009 vs september, 2010) and slightly lower boost light sensitivity (3,200 ISO vs 12,800 ISO).
Canon PowerShot G12
1 year newer
$389 - $500
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Significant advantages of the G12 (vs the DMC-GH1)
- Image stabilization: Lens vs None
- Significantly smaller: Mid size 112x76x48 mm vs Prosumer size 124x90x76 mm
- Thinner: 1.9" vs 3"
Significant disadvantages of the G12 (vs the DMC-GH1)
- Much smaller sensor: 1/1.7" 7.6x5.7mm vs Four thirds 17.3x13.0mm
- Much more noise at high ISO: 161 ISO vs 772 ISO
- Much worse image quality: 47.0 vs 64.0
common strengths of the G12 and DMC-GH1
- Supports RAW
- Good color depth: 20.4 bits vs 21.6 bits
- Both support 24p, which is uncommon in cameras similar to these
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Canon PowerShot S95
1 year newer
$369
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Significant advantages of the S95 (vs the DMC-GH1)
- Image stabilization: Lens vs None
- Much smaller: Compact 99x58x29 mm vs Prosumer size 124x90x76 mm
- Better boost ISO: 12,800 ISO vs 3,200 ISO
Significant disadvantages of the S95 (vs the DMC-GH1)
- Much smaller sensor: 1/1.7" 7.6x5.7mm vs Four thirds 17.3x13.0mm
- Much more noise at high ISO: 153 ISO vs 772 ISO
- Much worse image quality: 47.0 vs 64.0
common strengths of the S95 and DMC-GH1
- Supports RAW
- Good color depth: 20.4 bits vs 21.6 bits
- Good dynamic range: 11.3 EV vs 11.6 EV
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