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Phone Samsung Galaxy S6 (GSM) ZTE Z222 / Z223 BlackBerry Passport Alcatel Idol Nokia Lumia 521 / 520
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 5.1" diag.
16 : 9
2" diag.
4 : 3
4.5" diag.
1 : 1
4.7" diag.
16 : 9
4" diag.
5 : 3
Display Resolution & Type 1440 x 2560 pixels
(~576 ppi)
AMOLED
176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
1440 x 1440 pixels
(~453 ppi)
LCD (TFT/TFD)
540 x 960 pixels
(~234 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? 60 Hz ?
Battery 2,550 mAh 900 mAh 3,450 mAh 1,800 mAh 1,430 mAh
Processor 2.1 GHz Samsung Exynos 7420 QSC6270 2.2 GHz Qualcomm Snapdragon 801 (MSM8974-AA) 1 GHz MediaTek 6577 1 GHz Qualcomm Snapdragon S4 MSM8270
RAM 3 GB 64 MB 3 GB 512 MB 512 MB
Storage 32 GB * 128 MB 32 GB 4 GB 8 GB
Main Camera 16 megapixel Yes 13 megapixel 8 megapixel 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 4K UHD ? 1080p HD 720p HD 720p HD
Front Camera 5 megapixel - 2 megapixel 2 megapixel -
Weight 4.87 oz
(138g)
3.24 oz
(92g)
6.91 oz
(196g)
3.88 oz
(110g)
4.39 oz
(124g)
Dimensions 5.65" x 2.78" x 0.27"
(143 x 71 x 6.8 mm)
3.76" x 1.92" x 0.73"
(96 x 49 x 18.5 mm)
5.04" x 3.56" x 0.36"
(128 x 90 x 9.1 mm)
5.24" x 2.66" x 0.31"
(133 x 67 x 7.9 mm)
4.72" x 2.52" x 0.39"
(120 x 64 x 9.9 mm)
Form Factor Slab Clamshell Slab Slab Slab
Platform / OS Android (proprietary) BlackBerry 10 Android Windows
Network Bands

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 29, 30

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

WCDMA: 2, 5

GSM: 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 13, 17

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

Data Technology LTE (Cat 6) HSDPA 3.6 LTE (Cat 4) HSPA 7.2 HSPA+ 21
Features 
Fingerprint Reader Yes - - - -
Flashlight Yes - - Yes -
GPS / Location n/a - n/a n/a n/a
VR-ready Yes - - - -
Accessibility
Adjustable Text Size n/a - n/a n/a n/a
Hearing Aid Compatible Yes Yes Yes Yes Yes
Multiple Languages n/a Yes 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
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Infrared (IR) Yes - - - -
MirrorLink Yes - - - -
Mobile Hotspot n/a - n/a n/a n/a
NFC Yes - Yes - -
USB Yes
Micro-USB
Yes
Micro-USB
Yes
Micro-USB
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)
Yes
Contacts
Picture ID n/a Yes n/a n/a n/a
Ringer ID n/a Yes n/a n/a n/a
Voice Dialing n/a - n/a n/a n/a
Customization
Custom Graphics n/a Yes n/a n/a n/a
Custom Ringtones n/a Yes n/a n/a n/a
Real-Music Ringers n/a Yes n/a n/a n/a
Data & Network
Data Tethering n/a - n/a n/a n/a
WAP / Web Browser n/a Yes n/a n/a n/a
Input
Predictive Text Entry n/a Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes - -
Touch Screen Yes - Yes Yes Yes
Memory
Memory Card Slot - - Yes Yes Yes
Messaging
Email Client n/a Yes n/a n/a n/a
Instant Messaging n/a - n/a n/a n/a
MMS n/a Yes n/a n/a n/a
Text Messaging Templates n/a Yes n/a n/a n/a
Music
FM Radio - Yes * Yes Yes -
Headphone Jack (3.5mm) Yes - Yes Yes Yes
Music Player n/a - n/a n/a n/a
Photo & Video
DLNA Yes - Yes Yes -
Miracast Yes - Yes - -
TV Output Yes - Yes - -
Power
Fast Charging Yes - - - -
Wireless Charging Yes - - - -
Productivity
Alarm n/a Yes n/a n/a n/a
Calculator n/a Yes n/a n/a n/a
Calendar n/a Yes n/a n/a n/a
To-Do List n/a - n/a n/a n/a
Voice Memo n/a Yes n/a n/a n/a
Software
Games n/a Yes n/a n/a n/a
Java (J2ME) n/a Yes n/a n/a n/a
Voice
HD Voice Yes - Yes - -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung Galaxy S6 (GSM) ZTE Z222 / Z223 BlackBerry Passport Alcatel Idol Nokia Lumia 521 / 520
  X > < X > < X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Galaxy S6 (GSM) ZTE Z222 / Z223 BlackBerry Passport Alcatel Idol Nokia Lumia 521 / 520

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