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Phone Samsung SGH-X640 Motorola Moto Z2 Force BlackBerry Curve 9310 Samsung Glyde U940 Nokia N78
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 5.5" diag.
16 : 9
2.4" diag.
4 : 3
2.8" diag.
16.5 : 9
2.4" diag.
4 : 3
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
1440 x 2560 pixels
(~534 ppi)
AMOLED
320 x 240 pixels
(~164 ppi)
LCD (TFT/TFD)
240 x 440 pixels
(~182 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? ? ?
Battery 800 mAh 2,730 mAh 1,450 mAh 1,000 mAh 1,200 mAh
Processor ? 2.4 GHz Qualcomm Snapdragon 835 (MSM8998) 800 MHz Qualcomm Snapdragon S2 MSM8655-1 ? 369 MHz ARM 11
RAM ? 4 GB 512 MB ? ?
Storage ? raw hardware 64 GB 512 MB ? raw hardware ? raw hardware
Main Camera Yes 12 megapixel 3 megapixel 2 megapixel 3 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - 4K UHD VGA (640 x 480) QVGA (320 x 240) VGA (640 x 480)
Front Camera - 5 megapixel - - -
Weight 3 oz
(85g)
5.04 oz
(143g)
3.67 oz
(104g)
4.2 oz
(119g)
3.59 oz
(102g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
6.13" x 2.99" x 0.24"
(156 x 76 x 6.1 mm)
4.29" x 2.36" x 0.5"
(109 x 60 x 12.7 mm)
4.09" x 1.98" x 0.71"
(104 x 50 x 18 mm)
4.45" x 1.93" x 0.59"
(113 x 49 x 15.1 mm)
Form Factor Clamshell Slab Slab Slide Slab
Platform / OS (proprietary) Android BlackBerry OS (proprietary) S60 (Symbian)
Network Bands

GSM: 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 41, 66

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

CDMA: 850, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

*

Data Technology GPRS LTE (Cat 16) EVDO r0 EVDO r0 HSDPA 3.6
Features 
Barometer - Yes - - -
Fingerprint Reader - Yes
stand-alone
- - -
Flashlight - Yes - - -
GPS / Location - n/a n/a Yes n/a
VR-ready - Yes - - -
Water-Resistant - Yes - - -
Accessibility
Adjustable Text Size - n/a n/a - n/a
Hearing Aid Compatible - Yes
M3, T4 (very tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Yes
M4 (very compatible)
-
Multiple Languages Yes n/a n/a Yes n/a
TTY/TDD (Digital) - Yes Yes Yes -
Alerts
Ringer Profiles - - Yes - Yes
Connectivity
Bluetooth - Yes Yes Yes Yes
Mobile Hotspot - n/a n/a - n/a
NFC - Yes - - -
USB - Yes
USB Type C
Yes
Micro-USB
Yes Yes
Micro-USB
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
- Yes
802.11 b,g
Contacts
Picture ID Yes n/a n/a Yes n/a
Ringer ID Yes n/a n/a Yes n/a
Voice Dialing - n/a n/a Yes n/a
Customization
Custom Graphics Yes n/a n/a Yes n/a
Custom Ringtones Yes n/a n/a Yes n/a
Real-Music Ringers - n/a n/a Yes n/a
Data & Network
Data Tethering - n/a n/a Yes n/a
Dual-SIM - Yes * - - -
WAP / Web Browser Yes n/a n/a Yes n/a
Input
Predictive Text Entry Yes n/a n/a Yes n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes Yes -
Touch Screen - Yes
Capacitive
- 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 Yes n/a
Text Messaging Templates Yes n/a n/a Yes n/a
Music
FM Radio - - Yes - Yes
FM Transmitter - n/a n/a - n/a
Headphone Jack (3.5mm) - - Yes - Yes
Music Player - n/a n/a Yes n/a
Stereo Speakers - - - - Yes
Photo & Video
TV Output - - - - Yes
Video Calling - n/a n/a - n/a
Power
Fast Charging - Yes - - -
Productivity
Alarm Yes n/a n/a Yes n/a
Calculator Yes n/a n/a Yes n/a
Calendar Yes n/a n/a Yes n/a
To-Do List Yes n/a n/a - n/a
Voice Memo Yes n/a n/a - n/a
Software
BREW - n/a n/a Yes n/a
Games Yes n/a n/a Yes 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 Yes n/a
Push-To-Talk - - - - Yes *
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SGH-X640 Motorola Moto Z2 Force BlackBerry Curve 9310 Samsung Glyde U940 Nokia N78
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Phone Samsung SGH-X640 Motorola Moto Z2 Force BlackBerry Curve 9310 Samsung Glyde U940 Nokia N78

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