Comparing the Sony A7 cameras

Specification Comparison
	Sony A7	Sony A7r	Sony A7s
Price (As of 9-11-14)	$1,698.00	$2,298.00	$2,498.00
Pixels	Actual: 24.7 MP Effective: 24.3 MP	Actual: 36.8 MP Effective: 36.4 MP	Actual: 12.4 MP Effective: 12.2 MP
Max Resolution	6000 x 4000	7360 x 4912	4240 x 2832
Sensor Type / Size	CMOS, 35.8 x 23.9mm	CMOS, 35.8 x 23.9mm	CMOS, 35.9 x 24mm
File Formats	Still Images: JPEG, RAW Movies: MPEG-4 AVCHD Audio: AAC LC, AC3	Still Images: JPEG, RAW Movies: MPEG-4 AVCHD Audio: AAC LC, AC3	Still Images: JPEG, RAW Movies: MP4, MPEG-4 AVC/H.264 Audio: AAC LC, AC3, Dolby Digital 2ch, Linear PCM
Video Resolution	1920 x 1080: 60 fps, 24 fps 1440 x 1080: 30 fps 640 x 480: 30 fps	1920 x 1080: 60 fps, 24 fps 1440 x 1080: 30 fps 640 x 480: 30 fps	1920 x 1080: 60 fps, 30 fps, 24 fps 1280 x 720: 120 fps 1440 x 1080: 30 fps 640 x 480: 30 fps
Video Format	N/A	N/A	High Definition 1920 x 1080p / 60 fps (50Mbps) 1920 x 1080p / 30 fps (50Mbps) 1920 x 1080p / 24 fps (50Mbps) High Definition 1280 x 720p / 120 fps (50Mbps) High Definition AVCHD 1920 x 1080p / 60 fps (28Mbps) 1920 x 1080i / 60 fps (24Mbps) 1920 x 1080i / 60 fps (17Mbps) High Definition AVCHD 1920 x 1080p / 24 fps (24Mbps) 1920 x 1080p / 24 fps (17Mbps) High Definition MP4 1440 x 1080p / 30 fps (12Mbps) Standard Definition MP4 640 x 480p / 30 fps (3Mbps)
Focus Mode	Continuous-servo AF (C) Manual Focus (M) Single-servo AF (S)	Continuous-servo AF (C) Manual Focus (M) Single-servo AF (S)	Continuous-servo AF (C) Direct Manual Focus (DMF) Manual Focus (M) Single-servo AF (S)
Autofocus Points	Phase Detection: 117 Contrast Detection: 25	Contrast Detection: 25	Contrast Detection: 25
Display Screen	3" Rear Screen Tilting Live Preview LCD (1,229,000)	3" Rear Screen Tilting Live Preview LCD (1,229,000)	3" Rear Touchscreen Tilting  LCD (921,600)
ISO Sensitivity	Auto, 100-25600 (Extended Mode: 50-)	Auto, 100-25600 (Extended Mode: 50-	Auto, 100-102400 (Extended Mode: Auto, 50-409600)
Shutter	Type: Electronic Speed: 30 - 1/8000 seconds	Type: Electronic Speed: 30 - 1/8000 seconds	Type: Electronic & Mechanical Speed: 30 - 1/8000 sec, Bulb Mode Type: Electronic & Mechanical Speed: 1/4 - 1/8000 sec in Movie Mode
Exposure Mode	Modes: Aperture Priority, Auto, Bulb, Manual, Movie, Programmed Auto, Scene Selection, Shutter Priority, Sweep Panorama Metering Range: EV 0.0 - EV 20.0 Compensation: -5 EV to +5 EV (in 1/3 or 1/2 EV steps)	Modes: Aperture Priority, Auto, Bulb, Manual, Movie, Programmed Auto, Scene Selection, Shutter Priority, Sweep Panorama Metering Range: EV 0.0 - EV 20.0 Compensation: -5 EV to +5 EV (in 1/3 or 1/2 EV steps)	Modes: Aperture Priority, Auto, Intelligent Auto, Manual, Movie, Programmed Auto, Scene Selection, Shutter Priority, Superior Auto, Sweep Panorama Metering Range: EV 3.0 - EV 20.0 Compensation: -5 EV to +5 EV (in 1/3 or 1/2 EV steps)
Photo Burst Rate	Up to 5fps at 24.3 MP	Up to 4 fps at 36.4 MP	Up to 5 fps at 12.2 MP for up to 200 frames Up to 2.5 fps at 12.2 MP for up to 200 frames

Basically it boils down to this when comparing the Sony A7, Sony A7r, and the Sony A7s: