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Phone Samsung SGH-X640 Coolpad Quattro 4G BlackBerry Bold 9900 ZTE Overture 2 / Maven Sonim XP5plus
Current U.S. Carriers (none) (none) (none) (none) AT&T
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 4" diag.
5 : 3
2.8" diag.
4 : 3
4.5" diag.
16 : 9
2.8" diag.
4 : 3
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
640 x 480 pixels
(~286 ppi)
LCD (TFT/TFD)
480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~143 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? 60 Hz 60 Hz
Battery 800 mAh 1,600 mAh 1,230 mAh 2,100 mAh 3,500 mAh
Processor ? ? 1.2 GHz Qualcomm Snapdragon S2 MSM8255 1.2 GHz Qualcomm Snapdragon 410 (MSM8916) 2 GHz Snapdragon 662
RAM ? ? 768 MB 1 GB 2 GB
Storage ? raw hardware 512 MB 8 GB 8 GB 16 GB
Main Camera Yes 3 megapixel 5 megapixel 5 megapixel 8 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - VGA (640 x 480) 720p HD 720p HD 1080p HD
Front Camera - Yes - Yes -
Weight 3 oz
(85g)
3.31 oz
(94g)
4.59 oz
(130g)
4.71 oz
(134g)
9.7 oz
(275g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
4.96" x 2.6" x 0.51"
(126 x 66 x 13 mm)
4.53" x 2.6" x 0.41"
(115 x 66 x 10.5 mm)
5.31" x 2.59" x 0.39"
(135 x 66 x 9.9 mm)
5.85" x 2.59" x 0.83"
(149 x 66 x 21 mm)
Form Factor Clamshell Slab Slab Slab Slab
Platform / OS (proprietary) Android BlackBerry OS Android (proprietary)
Network Bands

GSM: 900, 1800, 1900

4G LTE: 2, 4

CDMA: 850, 1700, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

4G LTE: 2, 4, 5, 17

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 25, 26, 29, 30, 39, 40, 41, 66, 71

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology GPRS LTE (Cat 3) HSPA 14.4 LTE (Cat 4) LTE (Cat 13)
Features 
Barometer - - - - Yes
Flashlight - - - Yes Yes
GPS / Location - n/a n/a n/a Yes
Ruggedized - - - - Yes
Water-Resistant - - - - Yes
IPX9 (dishwasher)
Accessibility
Adjustable Text Size - n/a n/a n/a Yes
Hearing Aid Compatible - Yes Yes Yes * Yes
Multiple Languages Yes n/a n/a n/a Yes
TTY/TDD (Digital) - Yes Yes Yes Yes
Alerts
Ringer Profiles - - Yes - -
Connectivity
Bluetooth - Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Mobile Hotspot - n/a n/a n/a Yes
NFC - - Yes - -
USB - Yes Yes
Micro-USB
Yes
Micro-USB
Yes
USB Type C
Wi-Fi - Yes Yes
4 (802.11 a,b,g,n)
Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes n/a n/a n/a Yes
Ringer ID Yes n/a n/a n/a Yes
Voice Dialing - n/a n/a n/a Yes
Customization
Custom Graphics Yes n/a n/a n/a Yes
Custom Ringtones Yes n/a n/a n/a Yes
Real-Music Ringers - n/a n/a n/a Yes
Data & Network
Data Tethering - n/a n/a n/a Yes
Dual-SIM - - - - Yes
WAP / Web Browser Yes n/a n/a n/a Yes
Input
Predictive Text Entry Yes n/a n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes - -
Touch Screen - Yes Yes Yes -
Memory
Memory Card Slot - Yes Yes Yes Yes
Messaging
Email Client - n/a n/a n/a -
EMS / Picture Messaging Yes n/a n/a n/a -
Instant Messaging - n/a n/a n/a -
MMS Yes n/a n/a n/a Yes
Text Messaging Templates Yes n/a n/a n/a Yes
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) - Yes Yes Yes -
Music Player - n/a n/a n/a Yes
Productivity
Alarm Yes n/a n/a n/a Yes
Calculator Yes n/a n/a n/a Yes
Calendar Yes n/a n/a n/a Yes
To-Do List Yes n/a n/a n/a -
Voice Memo Yes n/a n/a n/a Yes
Software
Games Yes n/a n/a n/a -
Java (J2ME) Yes n/a n/a n/a -
Voice
HD Voice - - - - Yes
Headset Jack (2.5 mm) Yes n/a n/a n/a -
Push-To-Talk - - - - Yes
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SGH-X640 Coolpad Quattro 4G BlackBerry Bold 9900 ZTE Overture 2 / Maven Sonim XP5plus
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 Coolpad Quattro 4G BlackBerry Bold 9900 ZTE Overture 2 / Maven Sonim XP5plus

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