Contour ROAM2 Vs Contour Plus 2 Vs GoPro HERO3+ Silver Edition Vs GoPro HERO4 Black Comparison

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Products	Contour ROAM2	Contour Plus 2	GoPro HERO3+ Silver Edition	GoPro HERO4 Black
Prices	$349.99 USD	$321.73 USD	$125.95 USD	$288.00 USD
Whirlwire Rating	-80	0	61	62
Video Features
Resolutions	1080p @ 30fps 960p @ 30fps 720p @ 60fps	1080p @ 30fps 1080p @ 25fps 960p @ 30fps 960p @ 25fps 720p @ 60fps 720p @ 50fps 720p @ 30fps 720p @ 25fps 480p @ 120fps 480p @ 100fps 480p @ 60fps 480p @ 50fps 480p @ 30fps 480p @ 25fps	1080p @ 60fps 1080p @ 50fps 1080p @ 30fps 1080p @ 25fps 960p @ 60fps 960p @ 50fps 960p @ 30fps 960p @ 25fps 720p @ 120fps 720p @ 100fps 720p @ 60fps 720p @ 50fps 720p @ 30fps 720p @ 25fps 480p @ 120fps 480p @ 100fps 480p @ 60fps 480p @ 50fps	4K @ 30fps 4K @ 25fps 4K @ 24fps 2.7K @ 50fps 2.7K @ 48fps 2.7K @ 30fps 2.7K @ 25fps 2.7K @ 24fps 1440p @ 80fps 1440p @ 60fps 1440p @ 50fps 1440p @ 48fps 1440p @ 30fps 1440p @ 25fps 1440p @ 24fps 1080p @ 120fps 1080p @ 90fps 1080p @ 60fps 1080p @ 50fps 1080p @ 48fps 1080p @ 30fps 1080p @ 25fps 1080p @ 24fps 960p @ 120fps 960p @ 60fps 960p @ 50fps 720p @ 120fps 720p @ 60fps 720p @ 50fps 720p @ 30fps 720p @ 25fps 720p @ 24fps 480p @ 240fps
Max Recording Time	2h 36m	2.5h	N/A	1.5
Progressive
Auto white balance
Recording Format Container	MOV	MP4	MP4	MP4
Recording bitrates	N/A	N/A	VBR	N/A
Custom white balance	N/A	N/A	N/A
Storage
Storage Slot	microSD	microSD	SD	microSD
Storage Slot Amount	1	1	1	1
Still Image
Capture image size	5	5	10MP	4000 x 3000
Continuous shooting mode
Simultaneous Photo Recording
Photo Burst
Self timer			N/A
Sensor
Type	CMOS	CMOS	N/A	CMOS
Megapixels	5.0	5.0	11.0	12.0
Size	N/A	N/A	1/2.3	N/A
Auto Gain Control	N/A	N/A	N/A
Night Mode	N/A	N/A	N/A
Power
Max recording time (inc battery)	2h 36m	N/A	3 Hours	1.5h
Physical
Dimensions	55 x 34 x 100mm	98 x 60 x 34mm	N/A	N/A
Weight (grams)	145	155	74	88
Lens
Maximum aperture	2.8	2.8	2.8	2.8
Connectivity
USB
HDMI Out	N/A
Built-in charger	N/A
AV out	N/A	N/A		N/A
Audio
Audio System	Dolby Digital 2ch (AC-3 2ch)	Dolby Digital 2ch (AC-3 2ch)	Mono 48kHz AAC	AAC AGC Mono
External Input
Audio Scene Select	N/A	N/A	N/A
Features
WiFi	N/A
GPS	N/A		N/A	N/A
Shutter
Minimum shutter speed	N/A	N/A	N/A	30 sec
Screen / Viewfinder
Brightness adjustment	N/A	N/A	N/A
Focus
Auto	N/A	N/A	N/A