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Phone Motorola Backflip Samsung SGH-X640 Motorola Moto Z2 Force HTC Droid Eris Alcatel Pop Star
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 3.1" diag.
5 : 3
? 5.5" diag.
16 : 9
3.2" diag.
5 : 3
4" diag.
5 : 3
Display Resolution & Type 320 x 480 pixels
(~186 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
1440 x 2560 pixels
(~534 ppi)
AMOLED
320 x 480 pixels
(~180 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? 60 Hz 60 Hz 60 Hz
Battery 1,400 mAh 800 mAh 2,730 mAh 1,300 mAh 2,000 mAh
Processor 528 MHz Qualcomm MSM7201a ? 2.4 GHz Qualcomm Snapdragon 835 (MSM8998) 528 MHz MSM7600 1.2 GHz Qualcomm Snapdragon 400 (MSM8926)
RAM ? ? 4 GB ? 1 GB
Storage ? raw hardware ? raw hardware 64 GB ? raw hardware 4 GB
Main Camera 5 megapixel Yes 12 megapixel 5 megapixel 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture CIF (352 x 288) - 4K UHD CIF (352 x 288) 1080p HD
Front Camera - - 5 megapixel - Yes
Weight 4.7 oz
(133g)
3 oz
(85g)
5.04 oz
(143g)
4.43 oz
(126g)
4.6 oz
(130g)
Dimensions 4.25" x 2.09" x 0.6"
(108 x 53 x 15.3 mm)
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)
4.45" x 2.19" x 0.52"
(113 x 55 x 13.2 mm)
4.84" x 2.5" x 0.38"
(123 x 64 x 9.7 mm)
Form Factor Clamshell Clamshell Slab Slab Slab
Platform / OS Android (proprietary) Android Android Android
Network Bands

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

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

4G LTE: 4, 17

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology HSPA 7.2 GPRS LTE (Cat 16) EVDO rA LTE (Cat 3)
Features 
Barometer - - Yes - -
Fingerprint Reader - - Yes
stand-alone
- -
Flashlight - - Yes - Yes
GPS / Location n/a - n/a n/a n/a
VR-ready - - Yes - -
Water-Resistant - - Yes - -
Accessibility
Adjustable Text Size n/a - n/a n/a n/a
Hearing Aid Compatible Yes - Yes Yes Yes
Multiple Languages n/a Yes n/a n/a n/a
TTY/TDD (Digital) - - Yes Yes Yes
Connectivity
Bluetooth Yes - Yes Yes Yes
NFC - - Yes - -
USB Yes
Micro-USB
- Yes
USB Type C
Yes
Mini-USB
Yes
Micro-USB
Wi-Fi Yes
802.11 b,g
- Yes
5 (802.11 a,ac,b,g,n)
Yes
802.11 b,g
Yes
4 (802.11 b,g,n)
Contacts
Picture ID n/a Yes n/a n/a n/a
Ringer ID n/a Yes n/a n/a n/a
Voice Dialing n/a - n/a n/a n/a
Customization
Custom Graphics n/a Yes n/a n/a n/a
Custom Ringtones n/a Yes n/a n/a n/a
Real-Music Ringers n/a - n/a n/a n/a
Data & Network
Dual-SIM - - Yes * - -
WAP / Web Browser n/a Yes n/a n/a n/a
Input
Predictive Text Entry n/a Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - - -
Touch Screen Yes - Yes Yes Yes
Memory
Memory Card Slot Yes - Yes Yes Yes
Messaging
Email Client n/a - n/a n/a n/a
EMS / Picture Messaging n/a Yes n/a n/a n/a
Instant Messaging n/a - n/a n/a n/a
MMS n/a Yes n/a n/a n/a
Text Messaging Templates n/a Yes n/a n/a n/a
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) Yes - - Yes Yes
Music Player n/a - n/a n/a n/a
Power
Fast Charging - - Yes - -
Productivity
Alarm n/a Yes n/a n/a n/a
Calculator n/a Yes n/a n/a n/a
Calendar n/a Yes n/a n/a n/a
To-Do List n/a Yes n/a n/a n/a
Voice Memo n/a Yes n/a n/a n/a
Software
Games n/a Yes n/a n/a n/a
Java (J2ME) n/a Yes n/a n/a n/a
Voice
HD Voice - - Yes - -
Headset Jack (2.5 mm) n/a Yes n/a n/a n/a
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Motorola Backflip Samsung SGH-X640 Motorola Moto Z2 Force HTC Droid Eris Alcatel Pop Star
  X > < X > < X > < X > < X

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

 
Phone Motorola Backflip Samsung SGH-X640 Motorola Moto Z2 Force HTC Droid Eris Alcatel Pop Star

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