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Phone Samsung SCH-U740 Alias Pantech Matrix Pro C820 Samsung Galaxy S II, Epic 4G Touch Samsung Glyde U940 Asus ZenFone 4
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 2.4" diag.
4 : 3
4.5" diag.
5 : 3
2.8" diag.
16.5 : 9
5.5" diag.
16 : 9
Display Resolution & Type 176 x 220 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~206 ppi)
AMOLED
240 x 440 pixels
(~182 ppi)
LCD (TFT/TFD)
1080 x 1920 pixels
(~401 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz ? 60 Hz
Battery ? 1,320 mAh 1,800 mAh 1,000 mAh 3,300 mAh
Processor ? 528 MHz ARM 11 1.2 GHz Samsung Exynos C210 dual-core ? 2.2 GHz Qualcomm Snapdragon 630
RAM ? ? ? ? 4 GB
Storage ? raw hardware ? raw hardware 16 GB ? raw hardware 64 GB
Main Camera 1 megapixel 2 megapixel 8 megapixel 2 megapixel 12 megapixel
Wide Camera - - - - Yes
Tele Camera - - - - -
Video Capture ? QCIF (176 x 144) 1080p HD QVGA (320 x 240) 4K UHD
Front Camera - - 2 megapixel - 8 megapixel
Weight 3.56 oz
(101g)
5.34 oz
(151g)
4.55 oz
(129g)
4.2 oz
(119g)
5.47 oz
(155g)
Dimensions 3.84" x 2.04" x 0.63"
(98 x 52 x 16 mm)
4.2" x 2" x 0.9"
(107 x 51 x 22.9 mm)
5.1" x 2.7" x 0.38"
(130 x 69 x 9.6 mm)
4.09" x 1.98" x 0.71"
(104 x 50 x 18 mm)
6.12" x 2.96" x 0.3"
(155 x 75 x 7.7 mm)
Form Factor Clamshell Slide Slab Slide Slab
Platform / OS (proprietary) Windows Mobile Standard Android (proprietary) Android
Network Bands

CDMA: 850, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

4G WiMAX: 41

CDMA: 800, 850, 1900

*

CDMA: 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 28

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology EVDO r0 HSDPA 3.6 WiMAX EVDO r0 LTE (Cat 12)
Features 
Fingerprint Reader - - - - Yes
stand-alone
Flashlight - - - - Yes
GPS / Location Yes n/a n/a Yes n/a
Accessibility
Hearing Aid Compatible Yes - Yes Yes Yes
Multiple Languages Yes n/a n/a Yes n/a
TTY/TDD (Digital) Yes Yes Yes Yes -
Alerts
Extra Display Yes - - - -
Ringer Profiles - Yes - - -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Mobile Hotspot - n/a n/a - n/a
NFC - - - - Yes
USB Yes Yes Yes
Micro-USB
Yes Yes
USB Type C
Wi-Fi - - Yes
4 (802.11 a,b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes n/a n/a Yes n/a
Ringer ID Yes n/a n/a Yes n/a
Voice Dialing Yes n/a n/a Yes n/a
Customization
Custom Graphics Yes n/a n/a Yes n/a
Custom Ringtones Yes n/a n/a Yes n/a
Real-Music Ringers - n/a n/a Yes n/a
Data & Network
Data Tethering Yes n/a n/a Yes n/a
Dual-SIM - - - - Yes
WAP / Web Browser Yes n/a n/a Yes n/a
Input
Predictive Text Entry Yes n/a n/a Yes n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes Yes - Yes -
Touch Screen - - Yes Yes Yes
Memory
Memory Card Slot Yes Yes Yes Yes Yes
Messaging
Email Client Yes n/a n/a - n/a
Instant Messaging Yes n/a n/a - n/a
MMS Yes n/a n/a Yes n/a
Text Messaging Templates Yes n/a n/a Yes n/a
Music
Headphone Jack (3.5mm) - - Yes - Yes
Music Player Yes n/a n/a Yes n/a
Photo & Video
DLNA - - Yes - -
Miracast - - - - Yes
TV Output - - Yes - -
Power
Fast Charging - - - - Yes
Productivity
Alarm Yes n/a n/a Yes n/a
Calculator Yes n/a n/a Yes n/a
Calendar Yes n/a n/a Yes n/a
To-Do List - n/a n/a - n/a
Voice Memo Yes n/a n/a - n/a
Software
BREW Yes n/a n/a Yes n/a
Games Yes n/a n/a Yes n/a
Java (J2ME) - n/a n/a - n/a
Voice
Headset Jack (2.5 mm) - n/a n/a Yes n/a
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SCH-U740 Alias Pantech Matrix Pro C820 Samsung Galaxy S II, Epic 4G Touch Samsung Glyde U940 Asus ZenFone 4
  X > < X > < X > < X > < X

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

 
Phone Samsung SCH-U740 Alias Pantech Matrix Pro C820 Samsung Galaxy S II, Epic 4G Touch Samsung Glyde U940 Asus ZenFone 4

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