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Phone Samsung SCH-U620 Motorola i580 ZTE Blade Z Max LG CP150 Amazon Fire
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 6" diag.
16 : 9
1.5" diag.
1 : 1
4.7" diag.
16 : 9
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
1080 x 1920 pixels
(~367 ppi)
LCD (TFT/TFD)
128 x 128 pixels
(~121 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~312 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz ? ?
Battery 1,000 mAh ? 4,080 mAh 800 mAh 2,400 mAh
Processor ? ? 1.4 GHz Qualcomm Snapdragon 435 (MSM8940) ? 2.2 GHz Qualcomm Snapdragon 800
RAM ? ? 2 GB ? 2 GB
Storage ? raw hardware ? raw hardware 32 GB ? raw hardware 32 GB *
Main Camera 1 megapixel 1 megapixel 16 megapixel - 13 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture QVGA (320 x 240) ? 1080p HD - 1080p HD
Front Camera - - 8 megapixel - 2 megapixel
Weight 3.74 oz
(106g)
4.9 oz
(139g)
6.58 oz
(186g)
2.86 oz
(81g)
5.64 oz
(160g)
Dimensions 3.78" x 1.85" x 0.87"
(96 x 47 x 22.1 mm)
3.68" x 2.2" x 1.2"
(93 x 56 x 30.5 mm)
6.51" x 3.28" x 0.33"
(165 x 83 x 8.3 mm)
3.46" x 1.85" x 0.74"
(88 x 47 x 18.8 mm)
5.5" x 2.6" x 0.35"
(140 x 66 x 8.9 mm)
Form Factor Slide Clamshell Slab Clamshell Slab
Platform / OS (proprietary) (proprietary) Android (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

iDEN: 800

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

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

GSM: 850, 900, 1800, 1900

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

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology EVDO r0 WiDEN LTE (Cat 6) GPRS LTE (Cat 4)
Features 
Fingerprint Reader - - Yes
stand-alone
- -
Flashlight - - Yes - Yes
GPS / Location Yes Yes n/a - Yes
Ruggedized - Yes - - -
Accessibility
Hearing Aid Compatible Yes Yes Yes Yes Yes
Multiple Languages Yes Yes n/a Yes Yes
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display - Yes - Yes -
Ringer Profiles - Yes - - -
Connectivity
Bluetooth Yes Yes Yes - Yes
Mobile Hotspot - - n/a - Yes
NFC - - - - Yes
USB Yes - Yes
USB Type C
- Yes
Micro-USB
Wi-Fi - - Yes
4 (802.11 b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes Yes n/a Yes Yes
Ringer ID Yes Yes n/a Yes Yes
Voice Dialing Yes Yes n/a - Yes
Customization
Custom Graphics Yes Yes n/a Yes -
Custom Ringtones Yes Yes n/a Yes Yes
Real-Music Ringers - - n/a Yes -
Data & Network
Data Tethering - Yes n/a - Yes
WAP / Web Browser Yes Yes n/a Yes Yes
Input
Predictive Text Entry Yes Yes n/a Yes Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen - - Yes - Yes
Memory
Memory Card Slot Yes Yes Yes - -
Messaging
Email Client - - n/a - Yes
Instant Messaging Yes - n/a Yes -
MMS Yes Yes n/a Yes Yes
Text Messaging Templates Yes Yes n/a Yes Yes
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) - - Yes - Yes
Music Player Yes Yes * n/a - Yes
Stereo Speakers Yes - - - Yes
Photo & Video
Miracast - - - - Yes
TV Output - - - - Yes
Power
Fast Charging - - Yes - -
Productivity
Alarm Yes - n/a Yes Yes
Calculator Yes Yes * n/a Yes Yes
Calendar Yes Yes n/a Yes Yes
To-Do List - - n/a Yes -
Voice Memo Yes Yes n/a Yes Yes
Software
BREW Yes - n/a - -
Games Yes Yes n/a Yes Yes
Java (J2ME) - Yes n/a - -
Voice
HD Voice - - Yes - Yes
Headset Jack (2.5 mm) Yes Yes n/a - -
Push-To-Talk - Yes - - -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SCH-U620 Motorola i580 ZTE Blade Z Max LG CP150 Amazon Fire
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SCH-U620 Motorola i580 ZTE Blade Z Max LG CP150 Amazon Fire

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