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Phone ZTE Z331 Sony Xperia XZs Nubia Red Magic 3 / 3S Nokia N78 LG Optimus L90
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.4" diag.
4 : 3
5.2" diag.
16 : 9
6.7" diag.
19.5 : 9
2.4" diag.
4 : 3
4.7" diag.
16 : 9
Display Resolution & Type 176 x 220 pixels
(~117 ppi)
LCD (TFT/TFD)
1080 x 1920 pixels
(~424 ppi)
LCD (TFT/TFD)
1080 x 2340 pixels
(~388 ppi)
AMOLED
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
540 x 960 pixels
(~234 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz 90 Hz ? 60 Hz
Battery 950 mAh 2,900 mAh 5,000 mAh 1,200 mAh 2,460 mAh
Processor ? 2.2 GHz Qualcomm Snapdragon 820 (MSM8996) Qualcomm Snapdragon 855+ 369 MHz ARM 11 1.2 GHz Qualcomm Snapdragon 400 MSM8226
RAM ? 4 GB 8 GB * ? 1 GB
Storage ? raw hardware 64 GB 128 GB * ? raw hardware 8 GB
Main Camera 3 megapixel 19 megapixel 48 megapixel 3 megapixel 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture QCIF (176 x 144) 4K UHD 4K UHD VGA (640 x 480) 1080p HD
Front Camera - 13 megapixel 16 megapixel - Yes
Weight 4 oz
(113g)
5.68 oz
(161g)
7.58 oz
(215g)
3.59 oz
(102g)
4.37 oz
(124g)
Dimensions 3.84" x 2.02" x 0.69"
(98 x 51 x 17.5 mm)
5.75" x 2.83" x 0.32"
(146 x 72 x 8.1 mm)
6.76" x 3.09" x 0.38"
(172 x 79 x 9.7 mm)
4.45" x 1.93" x 0.59"
(113 x 49 x 15.1 mm)
5.18" x 2.6" x 0.38"
(132 x 66 x 9.7 mm)
Form Factor Clamshell Slab Slab Slab Slab
Platform / OS (proprietary) Android Android S60 (Symbian) Android
Network Bands

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

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

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 30, 34, 38, 39, 40, 41, 66

WCDMA: 1, 2, 4, 5, 8, 19

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

*

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology HSDPA 3.6 LTE (Cat 9) LTE (Cat 9) HSDPA 3.6 HSPA+ 21
Features 
Barometer - Yes - - -
Fingerprint Reader - Yes *
stand-alone
Yes
stand-alone
- -
Flashlight - Yes Yes - Yes
GPS / Location Yes n/a n/a n/a n/a
Water-Resistant - Yes
IPX8 (SCUBA)
- - -
Accessibility
Adjustable Text Size - n/a n/a n/a n/a
Hearing Aid Compatible Yes Yes - - Yes
Multiple Languages Yes n/a n/a n/a n/a
TTY/TDD (Digital) Yes Yes Yes - Yes
Alerts
Extra Display Yes - - - -
Ringer Profiles Yes - - Yes -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - - - Yes
Mobile Hotspot - n/a n/a n/a n/a
NFC - Yes - - -
USB Yes
Micro-USB
Yes
USB Type C
Yes
USB Type C
Yes
Micro-USB
Yes
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Yes
802.11 b,g
Yes
4 (802.11 b,g,n)
Contacts
Picture ID Yes n/a n/a n/a n/a
Ringer ID Yes n/a n/a n/a n/a
Voice Dialing - n/a n/a n/a n/a
Customization
Custom Graphics Yes n/a n/a n/a n/a
Custom Ringtones Yes n/a n/a n/a n/a
Real-Music Ringers Yes n/a n/a n/a n/a
Data & Network
Data Tethering Yes n/a n/a n/a n/a
Dual-SIM - Yes Yes - -
WAP / Web Browser Yes n/a n/a n/a n/a
Input
Predictive Text Entry Yes n/a n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes - -
Touch Screen - Yes Yes - Yes
Memory
Memory Card Slot Yes Yes - Yes Yes
Messaging
Email Client Yes n/a n/a n/a n/a
Instant Messaging Yes n/a n/a n/a n/a
MMS Yes n/a n/a n/a n/a
Text Messaging Templates Yes n/a n/a n/a n/a
Music
FM Radio - - - Yes -
FM Transmitter - n/a n/a n/a n/a
Headphone Jack (3.5mm) - Yes Yes Yes Yes
Music Player Yes n/a n/a n/a n/a
Stereo Speakers - Yes Yes Yes -
Photo & Video
DLNA - Yes - - -
Miracast - Yes - - -
TV Output - - Yes Yes -
Video Calling - n/a n/a n/a n/a
Power
Fast Charging - Yes Yes - -
Productivity
Alarm Yes n/a n/a n/a n/a
Calculator Yes n/a n/a n/a n/a
Calendar Yes n/a n/a n/a n/a
To-Do List - n/a n/a n/a n/a
Voice Memo Yes n/a n/a n/a n/a
Software
Games Yes n/a n/a n/a n/a
Java (J2ME) Yes n/a n/a n/a n/a
Voice
HD Voice - Yes Yes - -
Push-To-Talk - - - Yes * -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  ZTE Z331 Sony Xperia XZs Nubia Red Magic 3 / 3S Nokia N78 LG Optimus L90
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone ZTE Z331 Sony Xperia XZs Nubia Red Magic 3 / 3S Nokia N78 LG Optimus L90

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