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Phone Sony XZ Premium Casio Exilim C721 HTC Desire 816 Ericsson R278d
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 5.5" diag.
16 : 9
2.3" diag.
4 : 3
5.5" diag.
16 : 9
?
Display Resolution & Type 2160 x 3840 pixels
(~801 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~174 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~267 ppi)
LCD (TFT/TFD)
101 x 40 pixels
Display Refresh 60 Hz ? 60 Hz ?
Battery 3,230 mAh 920 mAh 2,600 mAh ?
Processor 2.5 GHz Qualcomm Snapdragon 835 (MSM8998) ? 1.6 GHz Qualcomm Snapdragon 400 ?
RAM 4 GB ? 1.5 GB ?
Storage 64 GB ? raw hardware 8 GB ? raw hardware
Main Camera 20 megapixel 5 megapixel 13 megapixel -
Wide Camera - - - -
Tele Camera - - - -
Video Capture 4K UHD QVGA (320 x 240) 1080p HD -
Front Camera 13 megapixel - 5 megapixel -
Weight 6.74 oz
(191g)
4.48 oz
(127g)
5.82 oz
(165g)
9.28 oz
(263g)
Dimensions 6.14" x 3.03" x 0.31"
(156 x 77 x 7.9 mm)
4.06" x 1.97" x 0.78"
(103 x 50 x 19.9 mm)
6.17" x 3.1" x 0.31"
(157 x 79 x 8 mm)
5.1" x 2" x 1"
(130 x 51 x 25.4 mm)
Form Factor Slab Clamshell Slab Slab
Platform / OS Android (proprietary) Android (proprietary)
Network Bands

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 29, 40, 41

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

4G LTE: 25, 26, 41

CDMA: 800, 850, 1900

TDMA: 850, 1900

AMPS: 850

Data Technology LTE (Cat 16) EVDO rA LTE (Cat 3) -
Features 
Barometer Yes - - -
Fingerprint Reader Yes *
stand-alone
- - -
Flashlight Yes Yes - -
GPS / Location n/a Yes n/a -
Ruggedized - Yes - -
Water-Resistant Yes
IPX5 (direct spray)
Yes - -
Accessibility
Adjustable Text Size n/a Yes n/a -
Hearing Aid Compatible Yes Yes Yes -
Multiple Languages n/a Yes n/a Yes
TTY/TDD (Digital) Yes Yes Yes -
Alerts
Extra Display - Yes - -
Ringer Profiles - - - Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
-
Mobile Hotspot n/a - n/a -
NFC Yes - Yes -
USB Yes
USB Type C
Yes Yes
Micro-USB
-
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
- Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID n/a Yes n/a -
Ringer ID n/a Yes n/a -
Voice Dialing n/a Yes n/a -
Customization
Custom Graphics n/a Yes n/a -
Custom Ringtones n/a Yes n/a Yes
Real-Music Ringers n/a Yes n/a -
Data & Network
Data Tethering n/a Yes n/a Yes
WAP / Web Browser n/a Yes n/a Yes
Input
Predictive Text Entry n/a Yes n/a Yes
Side Keys Yes Yes Yes Yes
Touch Screen Yes - Yes -
Memory
Memory Card Slot Yes Yes Yes -
Messaging
Email Client n/a - n/a -
EMS / Picture Messaging n/a Yes n/a -
Instant Messaging n/a Yes n/a -
MMS n/a Yes n/a -
Text Messaging Templates n/a Yes n/a -
Music
Headphone Jack (3.5mm) Yes - Yes -
Music Player n/a Yes n/a -
Stereo Speakers - - Yes -
Photo & Video
DLNA Yes - Yes -
Miracast Yes - Yes -
Power
Fast Charging Yes - - -
Productivity
Alarm n/a Yes n/a Yes
Calculator n/a Yes n/a -
Calendar n/a Yes n/a -
To-Do List n/a Yes n/a -
Voice Memo n/a Yes n/a -
Software
BREW n/a Yes n/a -
Games n/a Yes n/a -
Voice
HD Voice Yes - Yes -
Push-To-Talk - - Yes * -
Speaker Phone Yes Yes Yes -
  * Some versions only
  Sony XZ Premium Casio Exilim C721 HTC Desire 816 Ericsson R278d
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Phone Sony XZ Premium Casio Exilim C721 HTC Desire 816 Ericsson R278d

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