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Phone BlackBerry 7750 Samsung Rant M540 Sonim XP3 Samsung SPH-A250
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Not yet released
Specifications 
Display Size ? 2.1" diag.
4 : 3
2.6" diag.
4 : 3
?
Display Resolution & Type 240 x 240 pixels
LCD (Color)
176 x 220 pixels
(~134 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~154 ppi)
LCD (TFT/TFD)
?
Display Refresh ? ? ? ?
Battery ? ? 1,500 mAh ?
Processor ? ? 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) ?
RAM ? ? 1 GB ?
Storage ? raw hardware ? raw hardware 8 GB ? raw hardware
Main Camera - 2 megapixel 5 megapixel -
Wide Camera - - - -
Tele Camera - - - -
Video Capture - QCIF (176 x 144) ? -
Front Camera - - - -
Weight 5.01 oz
(142g)
4.9 oz
(139g)
6.88 oz
(195g)
2.82 oz
(80g)
Dimensions 4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
4.44" x 2.05" x 0.71"
(113 x 52 x 18 mm)
4.4" x 2.3" x 1.1"
(112 x 58 x 27.9 mm)
2.76" x 1.91" x 0.83"
(70 x 49 x 21.1 mm)
Form Factor Slab Slab Clamshell Clamshell
Platform / OS BlackBerry OS (proprietary) (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

CDMA: 850, 1900

4G LTE: 1, 2, 3, 4, 5, 8, 12, 13, 14, 25, 26, 38, 41, 66

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

CDMA: 1900

Data Technology 1xRTT EVDO r0 LTE (Cat 4) -
Features 
Barometer - - Yes -
Flashlight - - Yes -
GPS / Location n/a Yes Yes -
Ruggedized - - Yes -
Water-Resistant - - Yes
IPX8 (SCUBA)
-
Accessibility
Adjustable Text Size n/a - Yes -
Hearing Aid Compatible - Yes Yes -
Multiple Languages n/a Yes Yes -
TTY/TDD (Digital) Yes Yes Yes -
Alerts
Extra Display - - Yes -
Ringer Profiles Yes - Yes -
Connectivity
Bluetooth - Yes
Classic Audio
Yes
Classic Audio
-
Mobile Hotspot n/a - Yes -
USB Yes Yes
Micro-USB
Yes
USB Type C
-
Wi-Fi - - Yes
4 (802.11 a,b,g,n)
-
Contacts
Picture ID n/a Yes - -
Ringer ID n/a Yes Yes -
Voice Dialing n/a Yes Yes Yes
Customization
Custom Graphics n/a Yes Yes -
Custom Ringtones n/a Yes Yes -
Real-Music Ringers n/a Yes - -
Data & Network
Data Tethering n/a Yes Yes Yes
Dual-SIM - - Yes -
WAP / Web Browser n/a Yes Yes Yes
Input
Predictive Text Entry n/a Yes Yes Yes
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware Yes Yes - -
Memory
Memory Card Slot - Yes Yes -
Messaging
Email Client n/a - - -
MMS n/a - Yes -
Text Messaging Templates n/a Yes Yes -
Music
FM Radio - - Yes -
Headphone Jack (3.5mm) - - Yes -
Music Player n/a Yes Yes -
Productivity
Alarm n/a Yes Yes Yes
Calculator n/a Yes Yes Yes
Calendar n/a Yes Yes Yes
To-Do List n/a - - Yes
Voice Memo n/a Yes Yes -
Software
Games n/a Yes - -
Java (J2ME) n/a Yes - -
Voice
HD Voice - - Yes -
Headset Jack (2.5 mm) n/a Yes - Yes
Push-To-Talk - - Yes -
Speaker Phone - Yes Yes -
  BlackBerry 7750 Samsung Rant M540 Sonim XP3 Samsung SPH-A250
  X > < X > < X > < X

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

 
Phone BlackBerry 7750 Samsung Rant M540 Sonim XP3 Samsung SPH-A250

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