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Phone Amazon Fire Asus ZenFone 4 Sony Ericsson T68i Samsung Sidekick 4G
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 4.7" diag.
16 : 9
5.5" diag.
16 : 9
? 3.5" diag.
5 : 3
Display Resolution & Type 720 x 1280 pixels
(~312 ppi)
LCD (TFT/TFD)
1080 x 1920 pixels
(~401 ppi)
LCD (TFT/TFD)
101 x 80 pixels
LCD (STN)
480 x 800 pixels
(~267 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? 60 Hz
Battery 2,400 mAh 3,300 mAh 700 mAh ?
Processor 2.2 GHz Qualcomm Snapdragon 800 2.2 GHz Qualcomm Snapdragon 630 ? 1 GHz Samsung Hummingbird Cortex A8
RAM 2 GB 4 GB ? ?
Storage 32 GB * 64 GB ? raw hardware ? raw hardware
Main Camera 13 megapixel 12 megapixel - 3 megapixel
Wide Camera - Yes - -
Tele Camera - - - -
Video Capture 1080p HD 4K UHD - WVGA / 480p
Front Camera 2 megapixel 8 megapixel - Yes
Weight 5.64 oz
(160g)
5.47 oz
(155g)
2.96 oz
(84g)
5.7 oz
(162g)
Dimensions 5.5" x 2.6" x 0.35"
(140 x 66 x 8.9 mm)
6.12" x 2.96" x 0.3"
(155 x 75 x 7.7 mm)
3.94" x 1.89" x 0.79"
(100 x 48 x 20.1 mm)
5" x 2.42" x 0.6"
(127 x 61 x 15.2 mm)
Form Factor Slab Slab Slab Slide
Platform / OS (proprietary) Android (proprietary) Android
Network Bands

4G LTE: 1, 2, 3, 4, 5, 7, 8, 17

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 28

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 4) LTE (Cat 12) GPRS HSPA+ 21
Features 
Fingerprint Reader - Yes
stand-alone
- -
Flashlight Yes Yes - -
GPS / Location Yes n/a - n/a
Accessibility
Hearing Aid Compatible Yes Yes - Yes
Multiple Languages Yes n/a Yes n/a
TTY/TDD (Digital) Yes - - Yes
Alerts
Ringer Profiles - - Yes -
Connectivity
Bluetooth Yes Yes Yes Yes
Infrared (IR) - - Yes -
Mobile Hotspot Yes n/a - n/a
NFC Yes Yes - -
USB Yes
Micro-USB
Yes
USB Type C
- Yes
Micro-USB
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
- Yes
4 (802.11 b,g,n)
Contacts
Picture ID Yes n/a Yes n/a
Ringer ID Yes n/a Yes n/a
Voice Dialing Yes n/a Yes n/a
Customization
Custom Graphics - n/a Yes n/a
Custom Ringtones Yes n/a Yes n/a
Real-Music Ringers - n/a - n/a
Data & Network
Data Tethering Yes n/a Yes n/a
Dual-SIM - Yes - -
WAP / Web Browser Yes n/a Yes n/a
Input
Predictive Text Entry Yes n/a Yes n/a
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes
Touch Screen Yes Yes - Yes
Memory
Memory Card Slot - Yes - Yes
Messaging
Email Client Yes n/a Yes n/a
EMS / Picture Messaging - n/a Yes n/a
Instant Messaging - n/a - n/a
MMS Yes n/a Yes n/a
Text Messaging Templates Yes n/a Yes n/a
Music
Headphone Jack (3.5mm) Yes Yes - Yes
Music Player Yes n/a - n/a
Stereo Speakers Yes - - -
Photo & Video
DLNA - - - Yes
Miracast Yes Yes - -
TV Output Yes - - -
Power
Fast Charging - Yes - -
Productivity
Alarm Yes n/a Yes n/a
Calculator Yes n/a Yes n/a
Calendar Yes n/a Yes n/a
To-Do List - n/a Yes n/a
Voice Memo Yes n/a Yes n/a
Software
Games Yes n/a Yes n/a
Voice
HD Voice Yes - - -
Speaker Phone Yes Yes - Yes
  Amazon Fire Asus ZenFone 4 Sony Ericsson T68i Samsung Sidekick 4G
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Amazon Fire Asus ZenFone 4 Sony Ericsson T68i Samsung Sidekick 4G

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