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Larger sensor
APS-C
vs
4/3
More sensor area. Bigger is (generally) better.
-
Less expensive
$699 vs
$999
Save money for lenses or accessories
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Bigger pixels
~ 4.82
vs
3.36 microns
Better low-light and dynamic range (all else equal)
-
Fast startup
~0.80
vs
1.8 sec
Faster startup lets you catch the moment
-
On-sensor phase detect
Yes
vs
No
Usually improves live view and video AF performance
-
Internal flash
Internal flash
vs
None
Useful in a pinch for fill flash
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External Mic Jack
Jack
vs
No jack
Improved sound fidelity when shooting video
-
Higher max flash sync
1/2000
vs
1/250 sec
Reduce the effect of ambient light in flash shots
-
Doesn't require an AA filter
Yes
vs
No
A unique sensor design provides sharp photos without moiré
-
Faster shutter
1/32000
vs
1/16000 sec
Shoot wide open in bright light
-
Higher extended ISO
51200
vs
25600 ISO
Higher extended ISO can give more low-light flexibility