Generally, some of the advantages of the Ricoh GXR (A12) compared to compact competitors include: it has a much higher resolution screen (920k dots vs 230k dots), takes slightly higher resolution photos (10.4 MP vs 9.7 MP), records movies in 24p, has a CMOS-family sensor (CMOS vs CCD) and has a much larger sensor (APS-C 23.6x15.7mm vs 1/2.3" 6.2x4.6mm).
However, on average it is much larger (standard size 114x70x77 mm vs super compact 93x55x19 mm), doesn't record high-speed movies (none vs 240 fps), doesn't have image stabilization (none vs lens), is older (november, 2009 vs february, 2011) and is thicker (3" vs 0.8").
Canon ELPH 100 HS
1 year newer
$105 - $189
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Significant advantages of the 100 HS (vs the GXR (A12))
- Much smaller: Super compact 93x55x19 mm vs Standard size 114x70x77 mm
- Much thinner: 0.8" vs 3"
- Image stabilization: Lens vs None
Significant disadvantages of the 100 HS (vs the GXR (A12))
- Much smaller sensor: 1/2.3" 6.2x4.6mm vs APS-C 23.6x15.7mm
- Much lower resolution screen: 230k dots vs 920k dots
- No RAW support
common strengths of the 100 HS and GXR (A12)
- Both support 24p, which is uncommon in cameras similar to these
- Better sensor types: CMOS vs CMOS
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Casio Exilim EX-G1
similar age
$190
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Significant advantages of the EX-G1 (vs the GXR (A12))
- Much smaller: Compact 104x64x20 mm vs Standard size 114x70x77 mm
- Much thinner: 0.8" vs 3"
- Much lighter: 154 g vs 453 g
Significant disadvantages of the EX-G1 (vs the GXR (A12))
- Much smaller sensor: 1/2.3" 6.2x4.6mm vs APS-C 23.6x15.7mm
- Much lower resolution screen: 230k dots vs 920k dots
- No 24p support
common strengths of the EX-G1 and GXR (A12)
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