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Phone	Samsung Knack U310	HTC Droid Eris	Samsung MM-A900 / SPH-A900 / Ace	Motorola RAZR V3	Motorola Moto Z Force Droid
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.2" diag. 4 : 3	3.2" diag. 5 : 3	?	?	5.5" diag. 16 : 9
Display Resolution & Type	176 x 220 pixels (~128 ppi) LCD (TFT/TFD)	320 x 480 pixels (~180 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	1440 x 2560 pixels (~534 ppi) AMOLED
Display Refresh	?	60 Hz	?	?	60 Hz
Battery	1,000 mAh	1,300 mAh	?	680 mAh	3,500 mAh
Processor	?	528 MHz MSM7600	?	?	2.2 GHz Qualcomm Snapdragon 820 (MSM8996)
RAM	?	?	?	?	4 GB
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	32 GB *
Main Camera	-	5 megapixel	1 megapixel	Yes	20 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	CIF (352 x 288)	?	?	4K UHD
Front Camera	-	-	-	-	5 megapixel
Weight	3.63 oz (103g)	4.43 oz (126g)	3.9 oz (111g)	3.42 oz (97g)	5.75 oz (163g)
Dimensions	3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm)	4.45" x 2.19" x 0.52" (113 x 55 x 13.2 mm)	3.86" x 2.01" x 0.57" (98 x 51 x 14.5 mm)	3.86" x 2.09" x 0.54" (98 x 53 x 13.7 mm)	6.14" x 2.98" x 0.28" (156 x 76 x 7 mm)
Form Factor	Clamshell	Slab	Clamshell	Clamshell	Slab
Platform / OS	(proprietary)	Android	(proprietary)	(proprietary)	Android
Network Bands	CDMA: 850, 1900	CDMA: 850, 1900	CDMA: 850, 1900	GSM: 850, 900, 1800, 1900	4G LTE: 2, 3, 4, 5, 7, 13 WCDMA: 1, 2, 5, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900
Data Technology	-	EVDO rA	EVDO r0	GPRS	LTE (Cat 9)
Features
Fingerprint Reader	-	-	-	-	Yes
Flashlight	-	-	-	-	Yes
GPS / Location	Yes	n/a	Yes	-	n/a
Ruggedized	-	-	-	-	Yes
VR-ready	-	-	-	-	Yes
Water-Resistant	-	-	-	-	Yes
Accessibility
Adjustable Text Size	Yes	n/a	-	-	n/a
Hearing Aid Compatible	Yes M4, T4 (very tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)	-	Yes M3 (mostly compatible)	Yes M3, T4 (very tele-coil compatible)
Multiple Languages	Yes	n/a	Yes	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	Yes	-	Yes	Yes	-
Ringer Profiles	-	-	-	Yes	-
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
NFC	-	-	-	-	Yes
USB	-	Yes Mini-USB	Yes	Yes Mini-USB	Yes USB Type C
Wi-Fi	-	Yes 802.11 b,g	-	-	Yes 5 (802.11 a,ac,b,g,n)
Contacts
Picture ID	-	n/a	Yes	Yes	n/a
Ringer ID	-	n/a	Yes	Yes	n/a
Voice Dialing	Yes	n/a	Yes	Yes	n/a
Customization
Custom Graphics	-	n/a	Yes	Yes	n/a
Custom Ringtones	-	n/a	Yes	Yes	n/a
Real-Music Ringers	-	n/a	-	Yes	n/a
Data & Network
Data Tethering	-	n/a	Yes	Yes	n/a
WAP / Web Browser	-	n/a	Yes	Yes	n/a
Input
Predictive Text Entry	Yes	n/a	Yes	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Touch Screen	-	Yes Capacitive	-	-	Yes
Memory
Memory Card Slot	-	Yes	-	-	Yes
Messaging
Email Client	-	n/a	-	Yes	n/a
EMS / Picture Messaging	Yes	n/a	-	Yes	n/a
Instant Messaging	-	n/a	-	Yes	n/a
MMS	-	n/a	-	Yes	n/a
Text Messaging Templates	-	n/a	Yes	Yes	n/a
Music
Headphone Jack (3.5mm)	-	Yes	-	-	-
Music Player	-	n/a	Yes	-	n/a
Power
Fast Charging	-	-	-	-	Yes
Productivity
Alarm	Yes	n/a	Yes	Yes	n/a
Calculator	Yes	n/a	Yes	Yes	n/a
Calendar	Yes	n/a	Yes	Yes	n/a
To-Do List	-	n/a	Yes	-	n/a
Voice Memo	-	n/a	Yes	Yes	n/a
Software
Games	-	n/a	Yes	Yes	n/a
Java (J2ME)	-	n/a	Yes	Yes	n/a
Voice
HD Voice	-	-	-	-	Yes
Headset Jack (2.5 mm)	Yes	n/a	Yes	-	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung Knack U310	HTC Droid Eris	Samsung MM-A900 / SPH-A900 / Ace	Motorola RAZR V3	Motorola Moto Z Force Droid
	X >	< X >	< X >	< X >	< X

NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	Samsung Knack U310	HTC Droid Eris	Samsung MM-A900 / SPH-A900 / Ace	Motorola RAZR V3	Motorola Moto Z Force Droid