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Phone Sonim XP Strike Samsung SCH-A990 Sony Ericsson K850 Motorola Droid 4
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2" diag.
4 : 3
? 2.2" diag.
4 : 3
4" diag.
16 : 9
Display Resolution & Type 240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
540 x 960 pixels
(~275 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz
Battery 1,950 mAh 1,000 mAh ? 1,785 mAh
Processor ? ? ? ?
RAM 256 MB ? ? 1 GB
Storage 512 MB ? raw hardware ? raw hardware 16 GB
Main Camera 2 megapixel 3 megapixel 5 megapixel 8 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture ? ? ? 1080p HD
Front Camera - - - 1 megapixel
Weight 6.52 oz
(185g)
4.4 oz
(125g)
4.2 oz
(119g)
6.31 oz
(179g)
Dimensions 4.95" x 2.3" x 0.98"
(126 x 58 x 24.9 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
4" x 1.9" x 0.7"
(102 x 48 x 17.8 mm)
5" x 2.65" x 0.5"
(127 x 67 x 12.7 mm)
Form Factor Slab Clamshell Slab Slide
Platform / OS (proprietary) (proprietary) (proprietary) Android
Network Bands

CDMA: 800, 850, 1900

CDMA: 850, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 13

CDMA: 850, 1900

Data Technology EVDO rA EVDO r0 HSDPA 3.6 LTE (Cat 3)
Features 
Flashlight Yes Yes - -
GPS / Location Yes Yes - n/a
Ruggedized Yes - - -
Water-Resistant Yes - - -
Accessibility
Hearing Aid Compatible Yes Yes - Yes
Multiple Languages Yes Yes Yes n/a
TTY/TDD (Digital) - Yes Yes Yes
Alerts
Extra Display - Yes - -
Ringer Profiles Yes - Yes -
Connectivity
Bluetooth Yes Yes Yes Yes
Mobile Hotspot - - - n/a
USB Yes Yes Yes Yes
Micro-USB
Wi-Fi - - - Yes
4 (802.11 b,g,n)
Contacts
Picture ID Yes Yes Yes n/a
Ringer ID Yes Yes Yes n/a
Voice Dialing - Yes Yes n/a
Customization
Custom Graphics Yes Yes Yes n/a
Custom Ringtones Yes Yes Yes n/a
Real-Music Ringers Yes Yes Yes n/a
Data & Network
Data Tethering - Yes Yes n/a
WAP / Web Browser Yes Yes Yes n/a
Input
Predictive Text Entry Yes Yes Yes n/a
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes
Touch Screen - - - Yes
Memory
Memory Card Slot Yes Yes Yes Yes
Messaging
Email Client - - Yes n/a
EMS / Picture Messaging - Yes - n/a
Instant Messaging - - - n/a
MMS Yes Yes Yes n/a
Text Messaging Templates - Yes Yes n/a
Music
FM Radio Yes - Yes -
Headphone Jack (3.5mm) Yes - - Yes
Music Player Yes Yes Yes n/a
Stereo Speakers - Yes - -
Photo & Video
DLNA - - - Yes
TV Output - Yes - Yes
Video Calling - - Yes * n/a
Productivity
Alarm Yes Yes Yes n/a
Calculator Yes Yes Yes n/a
Calendar Yes Yes Yes n/a
To-Do List Yes - Yes n/a
Voice Memo Yes Yes Yes n/a
Software
BREW - Yes - n/a
Games Yes Yes Yes n/a
Java (J2ME) Yes - Yes n/a
Voice
Push-To-Talk Yes - - -
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Sonim XP Strike Samsung SCH-A990 Sony Ericsson K850 Motorola Droid 4
  X > < X > < X > < X

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

 
Phone Sonim XP Strike Samsung SCH-A990 Sony Ericsson K850 Motorola Droid 4

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