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Phone	BlackBerry 7750	Asus ZenFone 4	Samsung Messager III / R570	Sony Ericsson K750 / W800 / D750 / W700	Kyocera Slider Remix KX5 / Slider Sonic
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	5.5" diag. 16 : 9	2.4" diag. 4 : 3	?	?
Display Resolution & Type	240 x 240 pixels LCD (Color)	1080 x 1920 pixels (~401 ppi) LCD (TFT/TFD)	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	?	?
Battery	?	3,300 mAh	1,140 mAh	900 mAh	900 mAh
Processor	?	2.2 GHz Qualcomm Snapdragon 630	?	?	?
RAM	?	4 GB	?	?	?
Storage	? raw hardware	64 GB	? raw hardware	? raw hardware	? raw hardware
Main Camera	-	12 megapixel	1 megapixel	2 megapixel	1 megapixel
Wide Camera	-	Yes	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	4K UHD	-	?	?
Front Camera	-	8 megapixel	-	-	-
Weight	5.01 oz (142g)	5.47 oz (155g)	3.7 oz (105g)	3.49 oz (99g)	3.88 oz (110g)
Dimensions	4.76" x 3.03" x 0.71" (121 x 77 x 18 mm)	6.12" x 2.96" x 0.3" (155 x 75 x 7.7 mm)	4.59" x 2.11" x 0.59" (117 x 53 x 15 mm)	3.94" x 1.81" x 0.79" (100 x 46 x 20.1 mm)	3.89" x 1.85" x 0.9" (99 x 47 x 22.9 mm)
Form Factor	Slab	Slab	Slide	Slab	Slide
Platform / OS	BlackBerry OS	Android	(proprietary)	(proprietary)	(proprietary)
Network Bands	CDMA: 850, 1900	4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 28 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900	CDMA: 850, 1700, 1900	GSM: 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850 *
Data Technology	1xRTT	LTE (Cat 12)	1xRTT	GPRS	1xRTT
Features
Fingerprint Reader	-	Yes stand-alone	-	-	-
Flashlight	-	Yes	-	Yes	-
GPS / Location	n/a	n/a	Yes	-	Yes
Accessibility
Hearing Aid Compatible	-	Yes	Yes	-	Yes
Multiple Languages	n/a	n/a	Yes	Yes	-
TTY/TDD (Digital)	Yes	-	Yes	Yes	Yes
Alerts
Ringer Profiles	Yes	-	-	Yes	-
Connectivity
Bluetooth	-	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio	Yes * Classic Audio
Infrared (IR)	-	-	-	Yes	-
NFC	-	Yes	-	-	-
USB	Yes	Yes USB Type C	Yes	Yes	-
Wi-Fi	-	Yes 5 (802.11 a,ac,b,g,n)	-	-	-
Contacts
Picture ID	n/a	n/a	Yes	Yes	Yes
Ringer ID	n/a	n/a	Yes	Yes	Yes
Voice Dialing	n/a	n/a	Yes	Yes	Yes
Customization
Custom Graphics	n/a	n/a	Yes	Yes	Yes
Custom Ringtones	n/a	n/a	Yes	Yes	Yes
Real-Music Ringers	n/a	n/a	Yes	-	-
Data & Network
Data Tethering	n/a	n/a	-	Yes	Yes
Dual-SIM	-	Yes	-	-	-
WAP / Web Browser	n/a	n/a	Yes	Yes	Yes
Input
Predictive Text Entry	n/a	n/a	Yes	Yes	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	-	Yes	-	-
Touch Screen	-	Yes	-	-	-
Memory
Memory Card Slot	-	Yes	Yes	Yes	Yes
Messaging
Email Client	n/a	n/a	-	Yes	-
EMS / Picture Messaging	n/a	n/a	-	Yes	Yes
Instant Messaging	n/a	n/a	-	-	Yes *
MMS	n/a	n/a	Yes	Yes	Yes
Text Messaging Templates	n/a	n/a	Yes	Yes	-
Music
FM Radio	-	-	-	Yes	-
Headphone Jack (3.5mm)	-	Yes	Yes	-	-
Music Player	n/a	n/a	Yes	Yes	Yes
Photo & Video
Miracast	-	Yes	-	-	-
Power
Fast Charging	-	Yes	-	-	-
Productivity
Alarm	n/a	n/a	Yes	Yes	Yes
Calculator	n/a	n/a	Yes	Yes	Yes
Calendar	n/a	n/a	Yes	Yes	Yes
To-Do List	n/a	n/a	-	Yes	-
Voice Memo	n/a	n/a	Yes	Yes	Yes *
Software
BREW	n/a	n/a	Yes	-	Yes *
Games	n/a	n/a	Yes	Yes	Yes
Java (J2ME)	n/a	n/a	-	Yes	Yes *
Voice
Headset Jack (2.5 mm)	n/a	n/a	-	-	Yes
Speaker Phone	-	Yes	Yes	Yes	Yes
	* Some versions only
	BlackBerry 7750	Asus ZenFone 4	Samsung Messager III / R570	Sony Ericsson K750 / W800 / D750 / W700	Kyocera Slider Remix KX5 / Slider Sonic
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NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	BlackBerry 7750	Asus ZenFone 4	Samsung Messager III / R570	Sony Ericsson K750 / W800 / D750 / W700	Kyocera Slider Remix KX5 / Slider Sonic