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Phone	Samsung SGH-X640	Sony Xperia Z5	Audiovox CDM-8615 / Vox 8610	Sonim XP Strike	Siemens SX1
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Not yet released	Released	Released	Released
Display Size	?	5.2" diag. 16 : 9	?	2" diag. 4 : 3	?
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	1080 x 1920 pixels (~424 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (STN)	240 x 320 pixels (~200 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	?	?
Battery	800 mAh	2,900 mAh	970 mAh	1,950 mAh	1,000 mAh
Processor	?	2 GHz Qualcomm Snapdragon 810 (MSM8994)	?	?	?
RAM	?	3 GB	?	256 MB	?
Storage	? raw hardware	32 GB	? raw hardware	512 MB	? raw hardware
Main Camera	Yes	23 megapixel	-	2 megapixel	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	4K UHD	-	?	QCIF (176 x 144)
Front Camera	-	5 megapixel	-	-	-
Weight	3 oz (85g)	5.43 oz (154g)	3.4 oz (96g)	6.52 oz (185g)	4.09 oz (116g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	5.75" x 2.83" x 0.29" (146 x 72 x 7.3 mm)	3.5" x 1.9" x 0.9" (89 x 48 x 22.9 mm)	4.95" x 2.3" x 0.98" (126 x 58 x 24.9 mm)	4.29" x 2.2" x 0.75" (109 x 56 x 19.1 mm)
Form Factor	Clamshell	Slab	Clamshell	Slab	Slab
Platform / OS	(proprietary)	Android	(proprietary)	(proprietary)	S60 (Symbian)
Network Bands	GSM: 900, 1800, 1900	4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 40 WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900	CDMA: 1900 *	CDMA: 800, 850, 1900	GSM: 900, 1800, 1900
Data Technology	GPRS	LTE (Cat 6)	1xRTT	EVDO rA	GPRS
Features
Fingerprint Reader	-	Yes stand-alone	-	-	-
Flashlight	-	Yes	-	Yes	-
GPS / Location	-	n/a	Yes	Yes	n/a
Ruggedized	-	-	-	Yes	-
Water-Resistant	-	Yes IPX8 (SCUBA)	-	Yes	-
Accessibility
Adjustable Text Size	-	n/a	-	-	n/a
Hearing Aid Compatible	-	Yes M4, T4 (very tele-coil compatible)	-	Yes M4, T3 (mostly tele-coil compatible)	-
Multiple Languages	Yes	n/a	-	Yes	n/a
TTY/TDD (Digital)	-	Yes	-	-	-
Alerts
Extra Display	-	-	Yes	-	-
Ringer Profiles	-	-	-	Yes	Yes
Connectivity
Bluetooth	-	Yes	-	Yes	Yes
Infrared (IR)	-	-	-	-	Yes
MirrorLink	-	Yes	-	-	-
Mobile Hotspot	-	n/a	-	-	n/a
NFC	-	Yes	-	-	-
USB	-	Yes Micro-USB	Yes	Yes	Yes
Wi-Fi	-	Yes 5 (802.11 a,ac,b,g,n)	-	-	-
Contacts
Picture ID	Yes	n/a	-	Yes	n/a
Ringer ID	Yes	n/a	Yes	Yes	n/a
Voice Dialing	-	n/a	Yes *	-	n/a
Customization
Custom Graphics	Yes	n/a	Yes	Yes	n/a
Custom Ringtones	Yes	n/a	Yes	Yes	n/a
Real-Music Ringers	-	n/a	-	Yes	n/a
Data & Network
Data Tethering	-	n/a	Yes	-	n/a
External Antenna Jack	-	n/a	Yes	-	n/a
WAP / Web Browser	Yes	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	-	-	-
Memory
Memory Card Slot	-	Yes	-	Yes	Yes
Messaging
Email Client	-	n/a	-	-	n/a
EMS / Picture Messaging	Yes	n/a	-	-	n/a
Instant Messaging	-	n/a	-	-	n/a
MMS	Yes	n/a	-	Yes	n/a
Text Messaging Templates	Yes	n/a	Yes	-	n/a
Music
FM Radio	-	Yes	-	Yes	Yes
Headphone Jack (3.5mm)	-	Yes	-	Yes	-
Music Player	-	n/a	-	Yes	n/a
Stereo Speakers	-	Yes	-	-	-
Photo & Video
DLNA	-	Yes	-	-	-
Miracast	-	Yes	-	-	-
TV Output	-	Yes	-	-	-
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	Yes	n/a	-	Yes	n/a
Voice Memo	Yes	n/a	-	Yes	n/a
Software
Games	Yes	n/a	Yes	Yes	n/a
Java (J2ME)	Yes	n/a	-	Yes	n/a
Voice
HD Voice	-	Yes	-	-	-
Headset Jack (2.5 mm)	Yes	n/a	Yes	-	n/a
Push-To-Talk	-	-	-	Yes	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung SGH-X640	Sony Xperia Z5	Audiovox CDM-8615 / Vox 8610	Sonim XP Strike	Siemens SX1
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	Sony Xperia Z5	Audiovox CDM-8615 / Vox 8610	Sonim XP Strike	Siemens SX1