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Phone Siemens A56 / A56i Sony Xperia Z3 Coolpad Quattro 4G Ericsson T66 Samsung SGH-X820
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 5.2" diag.
16 : 9
4" diag.
5 : 3
? ?
Display Resolution & Type 101 x 64 pixels 1080 x 1920 pixels
(~424 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
? 220 x 176 pixels
LCD (TFT/TFD)
Display Refresh ? 60 Hz 60 Hz ? ?
Battery 700 mAh 3,100 mAh 1,600 mAh ? 650 mAh
Processor ? 2.5 GHz Qualcomm Snapdragon 801 (MSM8974AC) ? ? ?
RAM ? 3 GB ? ? ?
Storage ? raw hardware 16 GB 512 MB ? raw hardware ? raw hardware
Main Camera - 20 megapixel 3 megapixel - 2 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - 4K UHD VGA (640 x 480) - ?
Front Camera - 2 megapixel Yes - -
Weight 3 oz
(85g)
5.36 oz
(152g)
3.31 oz
(94g)
2.08 oz
(59g)
2.33 oz
(66g)
Dimensions 4" x 1.7" x 0.8"
(102 x 43 x 20.3 mm)
5.75" x 2.83" x 0.29"
(146 x 72 x 7.3 mm)
4.96" x 2.6" x 0.51"
(126 x 66 x 13 mm)
3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
4.45" x 1.97" x 0.27"
(113 x 50 x 6.9 mm)
Form Factor Slab Slab Slab Slab Slab
Platform / OS (proprietary) Android Android (proprietary) (proprietary)
Network Bands

GSM: 850, 1900

4G LTE: 2, 4, 12

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4

CDMA: 850, 1700, 1900

GSM: 900, 1800, 1900

GSM: 900, 1800, 1900

Data Technology - LTE (Cat 4) LTE (Cat 3) - EDGE
Features 
GPS / Location Yes n/a n/a - -
Ruggedized - Yes - - -
Water-Resistant - Yes
IPX8 (SCUBA)
- - -
Accessibility
Adjustable Text Size - n/a n/a - -
Hearing Aid Compatible - Yes Yes - -
Multiple Languages - n/a n/a Yes Yes
TTY/TDD (Digital) Yes Yes Yes - -
Alerts
Ringer Profiles Yes - - Yes -
Connectivity
Bluetooth - Yes Yes
Classic Audio
- Yes
Classic Audio
Mobile Hotspot - n/a n/a - -
NFC - Yes - - -
USB - Yes
Micro-USB
Yes - Yes
Wi-Fi - Yes Yes - -
Contacts
Picture ID Yes n/a n/a - Yes
Ringer ID Yes n/a n/a - Yes
Voice Dialing - n/a n/a - -
Customization
Changeable Body Plates Yes - - - -
Custom Graphics Yes n/a n/a Yes Yes
Custom Ringtones Yes n/a n/a Yes Yes
Real-Music Ringers - n/a n/a - Yes
Data & Network
Data Tethering - n/a n/a - -
External Antenna Jack - n/a n/a - Yes
WAP / Web Browser Yes n/a n/a Yes Yes
Input
Predictive Text Entry Yes n/a n/a Yes Yes
Side Keys - Yes Yes Yes Yes
Touch Screen - Yes Yes - -
Memory
Memory Card Slot - Yes Yes - -
Messaging
Email Client - n/a n/a - Yes
EMS / Picture Messaging Yes n/a n/a Yes Yes
Instant Messaging - n/a n/a - -
MMS - n/a n/a - Yes
Text Messaging Templates - n/a n/a Yes Yes
Music
FM Radio - Yes - - -
Headphone Jack (3.5mm) - Yes Yes - -
Music Player - n/a n/a - -
Stereo Speakers - Yes - - -
Photo & Video
DLNA - Yes - - -
Miracast - Yes - - -
TV Output - Yes - - Yes
Power
Fast Charging - Yes - - -
Productivity
Alarm Yes n/a n/a Yes Yes
Calculator Yes n/a n/a Yes Yes
Calendar - n/a n/a Yes Yes
To-Do List - n/a n/a Yes Yes
Voice Memo - n/a n/a - Yes
Software
Games Yes n/a n/a Yes Yes
Java (J2ME) - n/a n/a - Yes
Voice
HD Voice - Yes - - -
Speaker Phone - Yes Yes - Yes
  Siemens A56 / A56i Sony Xperia Z3 Coolpad Quattro 4G Ericsson T66 Samsung SGH-X820
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Siemens A56 / A56i Sony Xperia Z3 Coolpad Quattro 4G Ericsson T66 Samsung SGH-X820

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