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Phone ZTE Blade Z Max Samsung M520 Ericsson R520 Casio G'zOne Boulder Visible Midnight
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 6" diag.
16 : 9
2.1" diag.
4 : 3
? 2" diag.
4 : 3
6.5" diag.
20 : 9
Display Resolution & Type 1080 x 1920 pixels
(~367 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~134 ppi)
LCD (TFT/TFD)
? 240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
720 x 1600 pixels
(~269 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? ? 60 Hz
Battery 4,080 mAh ? ? 810 mAh 4,000 mAh
Processor 1.4 GHz Qualcomm Snapdragon 435 (MSM8940) ? ? ? MediaTek Helio P22 (MT6762)
RAM 2 GB ? ? ? 3 GB
Storage 32 GB ? raw hardware ? raw hardware ? raw hardware 32 GB
Main Camera 16 megapixel 1 megapixel - 1 megapixel 13 megapixel
Wide Camera - - - - 5 megapixel
Tele Camera - - - - -
Video Capture 1080p HD ? - ? 1080p HD
Front Camera 8 megapixel - - - 8 megapixel
Weight 6.58 oz
(186g)
2.75 oz
(78g)
4.23 oz
(120g)
4.9 oz
(139g)
6.35 oz
(180g)
Dimensions 6.51" x 3.28" x 0.33"
(165 x 83 x 8.3 mm)
4.01" x 2.04" x 0.5"
(102 x 52 x 12.7 mm)
5.12" x 1.97" x 0.63"
(130 x 50 x 16 mm)
3.9" x 2" x 0.9"
(99 x 51 x 22.9 mm)
6.53" x 3" x 0.34"
(166 x 76 x 8.6 mm)
Form Factor Slab Slide Slab Clamshell Slab
Platform / OS Android (proprietary) (proprietary) (proprietary) Android
Network Bands

4G LTE: 2, 4, 5, 12, 66

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

GSM: 900, 1800, 1900

CDMA: 850, 1900

4G LTE: 2, 4, 5, 7, 12, 13, 66

Data Technology LTE (Cat 6) EVDO r0 GPRS EVDO rA LTE (Cat 4)
Features 
Fingerprint Reader Yes
stand-alone
- - - Yes
stand-alone
Flashlight Yes - - Yes Yes
GPS / Location n/a Yes - Yes n/a
Ruggedized - - - Yes -
Water-Resistant - - - Yes -
Accessibility
Hearing Aid Compatible Yes Yes - Yes Yes
Multiple Languages n/a Yes Yes 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
HSP, Sync, OPP, DUN
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - Yes - -
USB Yes
USB Type C
Yes - Yes Yes
USB Type C
Wi-Fi Yes
4 (802.11 b,g,n)
- - - Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID n/a Yes - Yes n/a
Ringer ID n/a Yes - Yes n/a
Voice Dialing n/a Yes Yes Yes n/a
Customization
Changeable Body Plates - - - Yes -
Custom Graphics n/a Yes - Yes n/a
Custom Ringtones n/a Yes Yes Yes n/a
Data & Network
Data Tethering n/a Yes Yes Yes n/a
WAP / Web Browser n/a Yes Yes Yes n/a
Input
Predictive Text Entry n/a Yes Yes Yes n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen Yes - - - Yes
Memory
Memory Card Slot Yes Yes - Yes Yes
Messaging
EMS / Picture Messaging n/a - - Yes n/a
MMS n/a - - Yes n/a
Text Messaging Templates n/a Yes Yes Yes n/a
Music
FM Radio Yes - - - -
Headphone Jack (3.5mm) Yes - - - Yes
Music Player n/a Yes - Yes n/a
Power
Fast Charging Yes - - - -
Wireless Charging - - - - Yes
Productivity
Alarm n/a Yes Yes Yes n/a
Calculator n/a Yes Yes Yes n/a
Calendar n/a Yes Yes Yes n/a
To-Do List n/a Yes - - n/a
Voice Memo n/a Yes Yes Yes n/a
Software
BREW n/a - - Yes n/a
Games n/a Yes Yes Yes n/a
Java (J2ME) n/a Yes - - n/a
Voice
HD Voice Yes - - - Yes
Push-To-Talk - - - Yes -
Speaker Phone Yes Yes Yes Yes Yes
  ZTE Blade Z Max Samsung M520 Ericsson R520 Casio G'zOne Boulder Visible Midnight
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone ZTE Blade Z Max Samsung M520 Ericsson R520 Casio G'zOne Boulder Visible Midnight

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