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Phone	Siemens SK65	Huawei Pinnacle	Microsoft Lumia 550	Samsung Rugby 4	Nokia 6620
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	2.4" diag. 4 : 3	4.7" diag. 16 : 9	2.4" diag. 4 : 3	?
Display Resolution & Type	132 x 176 pixels LCD (TFT/TFD)	320 x 240 pixels (~167 ppi) LCD (TFT/TFD)	720 x 1280 pixels (~312 ppi) LCD (TFT/TFD)	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	176 x 208 pixels LCD (TFT/TFD)
Display Refresh	?	?	?	?	?
Battery	750 mAh	900 mAh	2,100 mAh	1,300 mAh	850 mAh
Processor	?	Qualcomm QSC6055	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)	Intel XMM6230	?
RAM	?	?	1 GB	128 MB	?
Storage	? raw hardware	? raw hardware	8 GB	256 MB	? raw hardware
Main Camera	-	1 megapixel	5 megapixel	3 megapixel	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	QCIF (176 x 144)	720p HD	QVGA (320 x 240)	QCIF (176 x 144)
Front Camera	-	-	2 megapixel	-	-
Weight	5.08 oz (144g)	3.53 oz (100g)	5.01 oz (142g)	5.22 oz (148g)	4.37 oz (124g)
Dimensions	4.72" x 1.85" x 0.87" (120 x 47 x 22.1 mm)	4.33" x 2.4" x 0.51" (110 x 61 x 13 mm)	5.36" x 2.67" x 0.39" (136 x 68 x 9.9 mm)	4.25" x 2.17" x 0.85" (108 x 55 x 21.6 mm)	4.28" x 2.29" x 0.93" (109 x 58 x 23.6 mm)
Form Factor	Slab	Slab	Slab	Clamshell	Slab
Platform / OS	(proprietary)	(proprietary)	Windows	(proprietary)	S60 (Symbian)
Network Bands	GSM: 900, 1800, 1900	CDMA: 850, 1700, 1900	4G LTE: 2, 4, 5, 7, 12, 17 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	GSM: 850, 1800, 1900
Data Technology	GPRS	1xRTT	LTE (Cat 4)	HSPA+ 21	EDGE
Features
Flashlight	-	-	Yes	-	-
GPS / Location	-	Yes	n/a	Yes	n/a
Ruggedized	-	-	-	Yes	-
Water-Resistant	-	-	-	Yes IPX7 (snorkeling)	-
Accessibility
Adjustable Text Size	-	-	n/a	Yes	n/a
Hearing Aid Compatible	-	Yes M4, T4 (very tele-coil compatible)	Yes M3, T4 (very tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)	-
Multiple Languages	Yes	Yes	n/a	Yes	n/a
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	-	-	Yes	-
Ringer Profiles	-	-	-	Yes	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Infrared (IR)	Yes	-	-	-	Yes
Mobile Hotspot	-	-	n/a	-	n/a
USB	Yes	Yes Micro-USB	Yes Micro-USB	Yes Micro-USB	Yes
Wi-Fi	-	-	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)	-
Contacts
Picture ID	-	Yes	n/a	Yes	n/a
Ringer ID	-	Yes	n/a	Yes	n/a
Voice Dialing	-	-	n/a	Yes	n/a
Customization
Custom Graphics	Yes	Yes	n/a	Yes	n/a
Custom Ringtones	Yes	Yes	n/a	Yes	n/a
Real-Music Ringers	-	-	n/a	Yes	n/a
Data & Network
Data Tethering	Yes	-	n/a	-	n/a
WAP / Web Browser	Yes	Yes	n/a	Yes	n/a
Input
Predictive Text Entry	-	Yes	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	-
Text Keyboard, Hardware	Yes	Yes	-	-	-
Touch Screen	-	-	Yes Capacitive	-	-
Memory
Memory Card Slot	-	Yes	Yes	Yes	Yes
Messaging
Email Client	Yes	Yes	n/a	Yes	n/a
EMS / Picture Messaging	-	-	n/a	-	n/a
Instant Messaging	-	Yes	n/a	-	n/a
MMS	Yes	Yes	n/a	Yes	n/a
Text Messaging Templates	-	-	n/a	Yes	n/a
Music
FM Radio	-	-	Yes	-	-
Headphone Jack (3.5mm)	-	Yes	Yes	-	-
Music Player	-	Yes	n/a	Yes	n/a
Productivity
Alarm	Yes	Yes	n/a	Yes	n/a
Calculator	Yes	Yes	n/a	Yes	n/a
Calendar	Yes	Yes	n/a	Yes	n/a
To-Do List	Yes	-	n/a	Yes	n/a
Voice Memo	Yes	Yes	n/a	Yes	n/a
Software
BREW	-	Yes	n/a	-	n/a
Games	Yes	Yes	n/a	Yes	n/a
Java (J2ME)	Yes	-	n/a	Yes	n/a
Voice
HD Voice	-	-	Yes	-	-
Push-To-Talk	Yes *	-	-	Yes	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Siemens SK65	Huawei Pinnacle	Microsoft Lumia 550	Samsung Rugby 4	Nokia 6620
	X >	< X >	< X >	< X >	< X

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


Phone	Siemens SK65	Huawei Pinnacle	Microsoft Lumia 550	Samsung Rugby 4	Nokia 6620