Canon EOS 5D Mark III vs Canon ELPH 310 HS vs Canon EOS 500D vs Canon EOS 5D Mark II

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Basic Info
Price range
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Release date	Mar 2, 2012	Aug 23, 2011	Mar 25, 2009	Sep 17, 2008

Characteristics
Body type	Mid-size SLR	Ultracompact	Compact SLR	Mid-size SLR
Max resolution	5760 x 3840	4000 x 3000	4752 x 3168	5616 x 3744
Pixels	22 MP	12 MP	15 MP	21 MP
Sensor detectors	23		16	22
Sensor type	CMOS	BSI-CMOS	CMOS	CMOS
Processor	Digic 5+		Digic 4	Digic 4
Image & lens
ISO	Auto, 100 - 25600 in 1/3 stops, plus 50, 51200, 102400 as option	Auto 100, 200, 400, 800, 1600, 3200	Auto, 100, 200, 400, 800, 1600, 3200 (6400-12800 with boost)	Auto, 100 - 6400 in 1/3 stops, plus 50, 12800, 25600 as option
Image stabilization		Optical
Digital zoom
Manual focus		1
Lens mount	Canon EF		Canon EF/EF-S	Canon EF
Screen type	Fixed	Fixed	Fixed	Fixed
Screen size	1,040,000	461	920	920
Screen dots
Min. shutter speed	Yes	1/2000	1/4000	Yes
Aperture priority
Shutter priority
Other features
Built-in flash		4.00	13.00
Flash range
Continuous drive	Multi			Multi
Self-timer	Center-weighted	Multi	Multi	Center-weighted
Video	H.264	1920 x 1080 (24fps), 1280 x 720 (30 fps) 640 x 480 (30, 120 fps), 320 x 240 (30, 240 fps)	1920 x 1080 (20 fps), 1280 x 720 (30 fps), 640 x 480 (30 fps)	H.264
Microphone		None
Storage	None	SD/SDHC/SDXC	SD/SDHC	None
Connectivity
USB	Yes	Yes	Yes	Yes
HDMI
Wireless	Yes			Yes
Weight		96 x 57 x 22	129 x 98 x 62
Orientation sensor	Optional			None
GPS
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The comparion is limited to 4 cameras at a time.