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Phone Samsung SGH-X640 Motorola i275 Samsung Glyde U940 Samsung Galaxy Core Prime (GSM) Sonim XP3
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 2.8" diag.
16.5 : 9
4.5" diag.
5 : 3
2.6" diag.
4 : 3
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
128 x 128 pixels
LCD (Color)
240 x 440 pixels
(~182 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~207 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~154 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz ?
Battery 800 mAh 750 mAh 1,000 mAh 2,000 mAh 1,500 mAh
Processor ? ? ? 1.2 GHz Qualcomm Snapdragon 410 MSM8916 1.1 GHz Qualcomm Snapdragon 210 (MSM8909)
RAM ? ? ? 1 GB 1 GB
Storage ? raw hardware ? raw hardware ? raw hardware 8 GB 8 GB
Main Camera Yes Yes 2 megapixel 5 megapixel 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - QVGA (320 x 240) 720p HD ?
Front Camera - - - 2 megapixel -
Weight 3 oz
(85g)
4.6 oz
(130g)
4.2 oz
(119g)
4.27 oz
(121g)
6.88 oz
(195g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
4.8" x 1.93" x 0.98"
(122 x 49 x 24.9 mm)
4.09" x 1.98" x 0.71"
(104 x 50 x 18 mm)
5.16" x 2.68" x 0.35"
(131 x 68 x 8.9 mm)
4.4" x 2.3" x 1.1"
(112 x 58 x 27.9 mm)
Form Factor Clamshell Slab Slide Slab Clamshell
Platform / OS (proprietary) (proprietary) (proprietary) Android (proprietary)
Network Bands

GSM: 900, 1800, 1900

iDEN: 800

CDMA: 850, 1900

4G LTE: 2, 4, 5, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 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

*

Data Technology GPRS - EVDO r0 LTE (Cat 3) LTE (Cat 4)
Features 
Barometer - - - - Yes
Flashlight - - - Yes Yes
GPS / Location - Yes Yes n/a Yes
Ruggedized - - - - Yes
Water-Resistant - - - - Yes
IPX8 (SCUBA)
Accessibility
Adjustable Text Size - - - n/a Yes
Hearing Aid Compatible - - Yes Yes Yes
Multiple Languages Yes Yes Yes n/a Yes
TTY/TDD (Digital) - Yes Yes Yes Yes
Alerts
Extra Display - - - - Yes
Ringer Profiles - Yes - - Yes
Connectivity
Bluetooth -
-
Yes
Classic Audio
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 b,g,n)
Yes
4 (802.11 a,b,g,n)
Contacts
Picture ID Yes - Yes n/a -
Ringer ID Yes Yes Yes n/a Yes
Voice Dialing - Yes Yes n/a Yes
Customization
Custom Graphics Yes Yes Yes n/a Yes
Custom Ringtones Yes Yes Yes n/a Yes
Real-Music Ringers - - Yes n/a -
Data & Network
Data Tethering - Yes Yes n/a Yes
Dual-SIM - - - - Yes
WAP / Web Browser Yes Yes Yes n/a Yes
Input
Predictive Text Entry Yes Yes Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes - -
Touch Screen - - Yes Yes -
Memory
Memory Card Slot - - Yes Yes Yes
Messaging
Email Client - - - n/a -
EMS / Picture Messaging Yes - - n/a -
Instant Messaging - - - n/a -
MMS Yes Yes Yes n/a Yes
Text Messaging Templates Yes Yes Yes n/a Yes
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) - - - Yes Yes
Music Player - - Yes n/a Yes
Power
Fast Charging - - - Yes -
Productivity
Alarm Yes - Yes n/a Yes
Calculator Yes - Yes n/a Yes
Calendar Yes Yes Yes n/a Yes
To-Do List Yes - - n/a -
Voice Memo Yes Yes - n/a Yes
Software
BREW - - Yes n/a -
Games Yes Yes Yes n/a -
Java (J2ME) Yes Yes - n/a -
Voice
HD Voice - - - Yes Yes
Headset Jack (2.5 mm) Yes Yes Yes n/a -
Push-To-Talk - Yes - - Yes
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SGH-X640 Motorola i275 Samsung Glyde U940 Samsung Galaxy Core Prime (GSM) Sonim XP3
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 Motorola i275 Samsung Glyde U940 Samsung Galaxy Core Prime (GSM) Sonim XP3

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