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Phone	Samsung Wafer R510	HTC SDA (USA) / SP5m (Tornado)	Samsung Stride R330 / R335c	Motorola Droid Ultra	Motorola KRZR K1m
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	1.9" diag. 4 : 3	2.2" diag. 4 : 3	1.9" diag. 4 : 3	5" diag. 16 : 9	?
Display Resolution & Type	220 x 176 pixels (~148 ppi) LCD (TFT/TFD)	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)	176 x 220 pixels (~148 ppi) LCD (TFT/TFD)	720 x 1280 pixels (~294 ppi) AMOLED	176 x 220 pixels LCD (TFT/TFD)
Display Refresh	?	?	?	60 Hz	?
Battery	800 mAh	?	800 mAh	2,130 mAh	880 mAh
Processor	?	?	?	1.7 GHz Qualcomm Snapdragon S4 Pro MSM8960T	?
RAM	?	?	?	2 GB	?
Storage	? raw hardware	? raw hardware	? raw hardware	16 GB	? raw hardware
Main Camera	1 megapixel	1 megapixel	1 megapixel	10 megapixel	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	QCIF (176 x 144)	-	1080p HD	?
Front Camera	-	-	-	2 megapixel	-
Weight	2.47 oz (70g)	3.74 oz (106g)	3.1 oz (88g)	4.83 oz (137g)	3.63 oz (103g)
Dimensions	4.45" x 1.97" x 0.33" (113 x 50 x 8.4 mm)	4.53" x 1.82" x 0.69" (115 x 46 x 17.5 mm)	3.66" x 1.89" x 0.7" (93 x 48 x 17.8 mm)	5.41" x 2.8" x 0.28" (137 x 71 x 7.2 mm)	4.06" x 1.73" x 0.67" (103 x 44 x 17 mm)
Form Factor	Slab	Slab	Clamshell	Slab	Clamshell
Platform / OS	(proprietary)	Windows Mobile Standard	(proprietary)	Android	(proprietary)
Network Bands	CDMA: 850, 1900	GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	4G LTE: 4, 13 WCDMA: 1, 2, 5, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	EVDO r0	EDGE	1xRTT	LTE (Cat 3)	EVDO r0
Features
GPS / Location	Yes	n/a	Yes	n/a	Yes
Accessibility
Adjustable Text Size	-	n/a	-	n/a	-
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	-	Yes M4, T4 (very tele-coil compatible)	Yes M3, T4 (very tele-coil compatible)	Yes M3 (mostly compatible)
Multiple Languages	Yes	n/a	Yes	n/a	Yes
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	-	Yes	-	Yes
Ringer Profiles	-	Yes	-	-	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Infrared (IR)	-	Yes	-	-	-
Mobile Hotspot	-	n/a	-	n/a	-
NFC	-	-	-	Yes	-
USB	-	Yes Mini-USB	-	Yes Micro-USB	Yes Mini-USB
Wi-Fi	-	Yes	-	Yes 4 (802.11 a,b,g,n)	-
Contacts
Picture ID	Yes	n/a	Yes	n/a	Yes
Ringer ID	-	n/a	Yes	n/a	Yes
Voice Dialing	Yes	n/a	Yes	n/a	Yes
Customization
Custom Graphics	Yes	n/a	Yes	n/a	Yes
Custom Ringtones	Yes	n/a	Yes	n/a	Yes
Real-Music Ringers	-	n/a	Yes	n/a	-
Data & Network
Data Tethering	-	n/a	-	n/a	Yes
External Antenna Jack	-	n/a	-	n/a	-
WAP / Web Browser	Yes	n/a	-	n/a	Yes
Input
Predictive Text Entry	Yes	n/a	Yes	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Touch Screen	-	-	-	Yes Capacitive	-
Memory
Memory Card Slot	Yes	Yes	-	-	Yes
Messaging
Email Client	-	n/a	-	n/a	-
EMS / Picture Messaging	-	n/a	-	n/a	Yes
Instant Messaging	-	n/a	-	n/a	Yes *
MMS	Yes	n/a	Yes	n/a	Yes
Text Messaging Templates	-	n/a	Yes	n/a	Yes
Music
Headphone Jack (3.5mm)	-	-	-	Yes	-
Music Player	Yes	n/a	-	n/a	Yes
Stereo Speakers	Yes	-	-	-	-
Photo & Video
Miracast	-	-	-	Yes	-
Productivity
Alarm	Yes	n/a	Yes	n/a	Yes
Calculator	Yes	n/a	Yes	n/a	Yes
Calendar	Yes	n/a	Yes	n/a	Yes
To-Do List	-	n/a	-	n/a	-
Voice Memo	Yes	n/a	-	n/a	Yes
Software
BREW	Yes	n/a	Yes	n/a	Yes *
Games	Yes	n/a	Yes	n/a	Yes
Java (J2ME)	-	n/a	-	n/a	Yes *
Voice
Headset Jack (2.5 mm)	-	n/a	Yes	n/a	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung Wafer R510	HTC SDA (USA) / SP5m (Tornado)	Samsung Stride R330 / R335c	Motorola Droid Ultra	Motorola KRZR K1m
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung Wafer R510	HTC SDA (USA) / SP5m (Tornado)	Samsung Stride R330 / R335c	Motorola Droid Ultra	Motorola KRZR K1m