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Phone Samsung Focus Flash Sony Xperia XZ1 ZTE Z221 Asus ROG Phone II
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Not yet released
Specifications 
Display Size 3.7" diag.
5 : 3
5.2" diag.
16 : 9
2" diag.
4 : 3
6.6" diag.
19.5 : 9
Display Resolution & Type 480 x 800 pixels
(~252 ppi)
AMOLED
1080 x 1920 pixels
(~424 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
1080 x 2340 pixels
(~391 ppi)
AMOLED
Display Refresh ? 60 Hz ? 120 Hz
Battery 1,500 mAh 2,700 mAh 900 mAh 6,000 mAh
Processor 1.4 GHz Qualcomm Snapdragon 2.5 GHz Qualcomm Snapdragon 835 (MSM8998) ? 3 GHz Qualcomm Snapdragon 855 Plus
RAM ? 4 GB ? 12 GB
Storage 8 GB 64 GB 142 MB 512 GB
Main Camera 5 megapixel 19 megapixel Yes 48 megapixel
Wide Camera - - - 13 megapixel
Tele Camera - - - -
Video Capture 720p HD 4K UHD QCIF (176 x 144) 4K UHD
Front Camera Yes 13 megapixel - 24 megapixel
Weight 4.1 oz
(116g)
5.5 oz
(156g)
3.24 oz
(92g)
8.47 oz
(240g)
Dimensions 4.57" x 2.31" x 0.43"
(116 x 59 x 10.9 mm)
5.82" x 2.89" x 0.29"
(148 x 73 x 7.4 mm)
3.76" x 1.92" x 0.73"
(96 x 49 x 18.5 mm)
6.73" x 3.06" x 0.37"
(171 x 78 x 9.5 mm)
Form Factor Slab Slab Clamshell Slab
Platform / OS Windows Android (proprietary) 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, 25, 26, 28, 29, 40, 41, 66

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 26, 28, 29, 32, 34, 38, 39, 40, 41, 46, 66

WCDMA: 1, 2, 3, 4, 5, 8, 19

GSM: 850, 900, 1800, 1900

Data Technology ? LTE (Cat 16) HSDPA 3.6 LTE (Cat 20)
Features 
Barometer - Yes - -
Fingerprint Reader - Yes *
stand-alone
- Yes
in-display (optical)
Flashlight - Yes - Yes
GPS / Location n/a n/a Yes n/a
Water-Resistant - Yes
IPX8 (SCUBA)
- -
Accessibility
Hearing Aid Compatible - Yes Yes Yes
Multiple Languages n/a n/a Yes n/a
TTY/TDD (Digital) Yes Yes Yes -
Alerts
Extra Display - - Yes -
Ringer Profiles - - Yes -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
NFC - Yes - Yes
USB Yes Yes
USB Type C
Yes Yes
USB Type C
Wi-Fi Yes Yes
5 (802.11 a,ac,b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID n/a n/a - n/a
Ringer ID n/a n/a - n/a
Voice Dialing n/a n/a - n/a
Customization
Custom Graphics n/a n/a Yes n/a
Custom Ringtones n/a n/a Yes n/a
Real-Music Ringers n/a n/a Yes n/a
Data & Network
Data Tethering n/a n/a - n/a
Dual-SIM - Yes * - Yes
WAP / Web Browser n/a n/a Yes n/a
Input
Predictive Text Entry n/a n/a Yes n/a
Side Keys Yes Yes Yes Yes
Touch Screen Yes Yes - Yes
Memory
Memory Card Slot - Yes - -
Messaging
Email Client n/a n/a Yes n/a
Instant Messaging n/a n/a Yes n/a
MMS n/a n/a Yes n/a
Text Messaging Templates n/a n/a Yes n/a
Music
FM Radio Yes - - Yes
Headphone Jack (3.5mm) Yes Yes - Yes
Music Player n/a n/a - n/a
Stereo Speakers - Yes - Yes
Photo & Video
DLNA - Yes - -
Miracast - Yes - -
TV Output - - - Yes
Power
Fast Charging - Yes - Yes
Productivity
Alarm n/a n/a Yes n/a
Calculator n/a n/a Yes n/a
Calendar n/a n/a Yes n/a
Voice Memo n/a n/a Yes n/a
Software
Games n/a n/a Yes n/a
Java (J2ME) n/a n/a Yes n/a
Voice
HD Voice - Yes - -
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Samsung Focus Flash Sony Xperia XZ1 ZTE Z221 Asus ROG Phone II
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Focus Flash Sony Xperia XZ1 ZTE Z221 Asus ROG Phone II

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