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Phone	Samsung SGH-X640	VK Mobile Kickflip	Sony Xperia Pro	Motorola Sidekick Slide	BlackBerry Pearl 8110
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	6.5" diag. 21 : 9	?	?
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	1644 x 3840 pixels (~643 ppi) AMOLED	320 x 240 pixels LCD (TFT/TFD)	240 x 260 pixels LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	?
Battery	800 mAh	?	4,000 mAh	?	?
Processor	?	?	Qualcomm Snapdragon 865	225 MHz TI OMAP 850	?
RAM	?	?	12 GB	?	?
Storage	? raw hardware	? raw hardware	512 GB	? raw hardware	? raw hardware
Main Camera	Yes	2 megapixel	12 megapixel	1 megapixel	2 megapixel
Wide Camera	-	-	12 megapixel	-	-
Tele Camera	-	-	12 megapixel	-	-
Video Capture	-	QCIF (176 x 144)	4K UHD	-	?
Front Camera	-	-	8 megapixel	-	-
Weight	3 oz (85g)	4.47 oz (127g)	7.94 oz (225g)	5.3 oz (150g)	3.2 oz (91g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	3.88" x 1.96" x 0.98" (99 x 50 x 24.9 mm)	6.7" x 3" x 0.4" (170 x 76 x 10.2 mm)	4.65" x 2.44" x 0.69" (118 x 62 x 17.5 mm)	4.2" x 1.97" x 0.55" (107 x 50 x 14 mm)
Form Factor	Clamshell	Swivel	Slab	Slide	Slab
Platform / OS	(proprietary)	(proprietary)	Android	(proprietary)	BlackBerry OS
Network Bands	GSM: 900, 1800, 1900	CDMA: 850, 1900	5G: 2, 5, 66, 260, 261 4G LTE: 2, 4, 5, 7, 12, 13, 25, 26, 41, 48, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	GSM: 850, 900, 1800, 1900	GSM: 850, 900, 1800, 1900
Data Technology	GPRS	EVDO r0	NR (5G)	EDGE	EDGE
Features
Fingerprint Reader	-	-	Yes stand-alone	-	-
Flashlight	-	Yes	Yes	-	-
GPS / Location	-	Yes	n/a	-	n/a
Water-Resistant	-	-	Yes IPX8 (SCUBA)	-	-
Accessibility
Adjustable Text Size	-	-	n/a	Yes	n/a
Hearing Aid Compatible	-	Yes	Yes	-	-
Multiple Languages	Yes	Yes	n/a	-	n/a
TTY/TDD (Digital)	-	Yes	Yes	-	-
Alerts
Ringer Profiles	-	-	-	Yes	Yes
Connectivity
Bluetooth	-	-	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio
NFC	-	-	Yes	-	-
USB	-	Yes	Yes USB Type C	Yes	Yes
Wi-Fi	-	-	Yes 6 (802.11 a,ac,ax,b,g,n)	-	-
Contacts
Picture ID	Yes	Yes	n/a	Yes	n/a
Ringer ID	Yes	Yes	n/a	Yes	n/a
Voice Dialing	-	-	n/a	-	n/a
Customization
Custom Graphics	Yes	Yes	n/a	Yes	n/a
Custom Ringtones	Yes	Yes	n/a	Yes	n/a
Real-Music Ringers	-	Yes	n/a	Yes	n/a
Data & Network
Data Tethering	-	Yes	n/a	-	n/a
Dual-SIM	-	-	Yes	-	-
External Antenna Jack	-	Yes	n/a	-	n/a
WAP / Web Browser	Yes	Yes	n/a	Yes	n/a
Input
Predictive Text Entry	Yes	Yes	n/a	-	n/a
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	Yes	n/a
EMS / Picture Messaging	Yes	-	n/a	-	n/a
Instant Messaging	-	-	n/a	Yes	n/a
MMS	Yes	Yes	n/a	Yes	n/a
Text Messaging Templates	Yes	Yes	n/a	-	n/a
Music
Headphone Jack (3.5mm)	-	-	Yes	-	Yes
Music Player	-	Yes	n/a	Yes	n/a
Stereo Speakers	-	Yes	Yes	-	-
Photo & Video
TV Output	-	Yes	Yes	-	-
Power
Fast Charging	-	-	Yes	-	-
Productivity
Alarm	Yes	Yes	n/a	Yes	n/a
Calculator	Yes	Yes	n/a	-	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	-	n/a
Software
Games	Yes	Yes	n/a	Yes	n/a
Java (J2ME)	Yes	Yes	n/a	Yes	n/a
Voice
HD Voice	-	-	Yes	-	-
Headset Jack (2.5 mm)	Yes	Yes	n/a	Yes	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung SGH-X640	VK Mobile Kickflip	Sony Xperia Pro	Motorola Sidekick Slide	BlackBerry Pearl 8110
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	VK Mobile Kickflip	Sony Xperia Pro	Motorola Sidekick Slide	BlackBerry Pearl 8110