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Phone BlackBerry Key2 Samsung Messager III / R570 Apple iPhone X Alcatel Dawn Samsung SGH-X820
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 4.5" diag.
5 : 3
2.4" diag.
4 : 3
5.8" diag.
19.5 : 9
4.5" diag.
16 : 9
?
Display Resolution & Type 1080 x 1620 pixels
(~433 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
1125 x 2436 pixels
(~463 ppi)
AMOLED
480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
220 x 176 pixels
LCD (TFT/TFD)
Display Refresh 60 Hz ? 60 Hz 60 Hz ?
Battery 3,500 mAh 1,140 mAh 2,716 mAh 1,780 mAh 650 mAh
Processor 2.2 GHz Qualcomm Snapdragon 660 ? Apple A11 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) ?
RAM 6 GB ? 3 GB 1 GB ?
Storage 64 GB * ? raw hardware 64 GB * 8 GB ? raw hardware
Main Camera 12 megapixel 1 megapixel 12 megapixel 5 megapixel 2 megapixel
Wide Camera - - - - -
Tele Camera 12 megapixel - Yes - -
Video Capture 4K UHD - 4K UHD 720p HD ?
Front Camera 8 megapixel - 7 megapixel Yes -
Weight 5.93 oz
(168g)
3.7 oz
(105g)
6.14 oz
(174g)
5.08 oz
(144g)
2.33 oz
(66g)
Dimensions 5.96" x 2.82" x 0.33"
(151 x 72 x 8.4 mm)
4.59" x 2.11" x 0.59"
(117 x 53 x 15 mm)
5.65" x 2.79" x 0.3"
(144 x 71 x 7.6 mm)
5.2" x 2.56" x 0.4"
(132 x 65 x 10.1 mm)
4.45" x 1.97" x 0.27"
(113 x 50 x 6.9 mm)
Form Factor Slab Slide Slab Slab Slab
Platform / OS Android (proprietary) iOS Android (proprietary)
Network Bands

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 28, 29, 30, 38, 40, 41, 66

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

CDMA: 850, 1700, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 34, 38, 39, 40, 41, 66

WCDMA: 1, 2, 4, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

4G LTE: 25, 26, 41

WCDMA: 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

Data Technology LTE (Cat 11) 1xRTT LTE (Cat 9) LTE (Cat 4) EDGE
Features 
Barometer - - Yes - -
Fingerprint Reader Yes
stand-alone
- - - -
Flashlight Yes - Yes - -
GPS / Location n/a Yes n/a n/a -
Water-Resistant - - Yes
IPX7 (snorkeling)
- -
Accessibility
Hearing Aid Compatible Yes
M4, T3 (mostly tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Yes
M3, T4 (very tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
-
Multiple Languages n/a Yes n/a n/a Yes
TTY/TDD (Digital) Yes Yes Yes Yes -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
NFC Yes - Yes - -
USB Yes
USB Type C
Yes Yes 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
4 (802.11 b,g,n)
-
Contacts
Picture ID n/a Yes n/a n/a Yes
Ringer ID n/a Yes n/a n/a Yes
Voice Dialing n/a Yes n/a n/a -
Customization
Custom Graphics n/a Yes n/a n/a Yes
Custom Ringtones n/a Yes n/a n/a Yes
Real-Music Ringers n/a Yes n/a n/a Yes
Data & Network
External Antenna Jack n/a - n/a n/a Yes
WAP / Web Browser n/a Yes n/a n/a Yes
Input
Predictive Text Entry n/a Yes n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes Yes - - -
Touch Screen Yes
Capacitive
- Yes
Capacitive
Yes
Capacitive
-
Memory
Memory Card Slot Yes Yes - Yes -
Messaging
Email Client n/a - n/a n/a Yes
EMS / Picture Messaging n/a - n/a n/a Yes
MMS n/a Yes n/a n/a Yes
Text Messaging Templates n/a Yes n/a n/a Yes
Music
FM Radio Yes - - Yes -
Headphone Jack (3.5mm) Yes Yes - Yes -
Music Player n/a Yes n/a n/a -
Stereo Speakers - - Yes - -
Photo & Video
TV Output Yes - Yes - Yes
Power
Fast Charging Yes - Yes - -
Wireless Charging - - Yes - -
Productivity
Alarm n/a Yes n/a n/a Yes
Calculator n/a Yes n/a n/a Yes
Calendar n/a Yes n/a n/a Yes
To-Do List n/a - n/a n/a Yes
Voice Memo n/a Yes n/a n/a Yes
Software
BREW n/a Yes n/a n/a -
Games n/a Yes n/a n/a Yes
Java (J2ME) n/a - n/a n/a Yes
Voice
HD Voice Yes - Yes - -
Speaker Phone Yes Yes Yes Yes Yes
  BlackBerry Key2 Samsung Messager III / R570 Apple iPhone X Alcatel Dawn Samsung SGH-X820
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone BlackBerry Key2 Samsung Messager III / R570 Apple iPhone X Alcatel Dawn Samsung SGH-X820

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