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Phone Asus ZenFone 4 Samsung SGH-X820 TCL 40 XL / Jitterbug Smart 4 LG F9100 Sharp Sidekick LX 2007
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 5.5" diag.
16 : 9
? 6.8" diag.
20 : 9
? 3" diag.
5 : 3
Display Resolution & Type 1080 x 1920 pixels
(~401 ppi)
LCD (TFT/TFD)
220 x 176 pixels
LCD (TFT/TFD)
720 x 1600 pixels
(~260 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (STN)
400 x 240 pixels
(~155 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? 90 Hz ? ?
Battery 3,300 mAh 650 mAh 5,000 mAh 1,030 mAh 1,540 mAh
Processor 2.2 GHz Qualcomm Snapdragon 630 ? 2.3 GHz MediaTek Helio G37 ? 200 MHz OMAP 331
RAM 4 GB ? 4 GB ? ?
Storage 64 GB ? raw hardware 128 GB ? raw hardware ? raw hardware
Main Camera 12 megapixel 2 megapixel 50 megapixel - 1 megapixel
Wide Camera Yes - - - -
Tele Camera - - - - -
Video Capture 4K UHD ? 1080p HD - ?
Front Camera 8 megapixel - 8 megapixel - -
Weight 5.47 oz
(155g)
2.33 oz
(66g)
6.88 oz
(195g)
4.41 oz
(125g)
5.7 oz
(162g)
Dimensions 6.12" x 2.96" x 0.3"
(155 x 75 x 7.7 mm)
4.45" x 1.97" x 0.27"
(113 x 50 x 6.9 mm)
6.61" x 3.01" x 0.35"
(168 x 76 x 8.8 mm)
4.13" x 1.97" x 0.96"
(105 x 50 x 24.4 mm)
5.12" x 2.36" x 0.7"
(130 x 60 x 17.9 mm)
Form Factor Slab Slab Slab Slide Swivel
Platform / OS Android (proprietary) Android (proprietary) (proprietary)
Network Bands

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

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

4G LTE: 2, 4, 5, 12, 13, 25, 26, 41, 66, 71

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

GSM: 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 12) EDGE LTE (Cat 6) GPRS EDGE
Features 
Barometer - - Yes - -
Fingerprint Reader Yes
stand-alone
- Yes - -
Flashlight Yes - Yes - Yes
Accessibility
Adjustable Text Size n/a - n/a - Yes
Hearing Aid Compatible Yes - Yes - Yes
Multiple Languages n/a Yes n/a Yes -
TTY/TDD (Digital) - - Yes - -
Alerts
Ringer Profiles - - - - Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
-
Yes
Classic Audio
NFC Yes - - - -
USB Yes
USB Type C
Yes Yes
USB Type C
- Yes
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
- -
Contacts
Picture ID n/a Yes n/a - Yes
Ringer ID n/a Yes n/a Yes Yes
Voice Dialing n/a - n/a Yes -
Customization
Custom Graphics n/a Yes n/a Yes Yes
Custom Ringtones n/a Yes n/a Yes Yes
Real-Music Ringers n/a Yes n/a - Yes
Data & Network
Dual-SIM Yes - - - -
External Antenna Jack n/a Yes n/a - -
WAP / Web Browser n/a Yes n/a Yes Yes
Input
Predictive Text Entry n/a Yes n/a Yes -
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes Yes
Touch Screen Yes - Yes - -
Memory
Memory Card Slot Yes - Yes - Yes
Messaging
Email Client n/a Yes n/a - Yes
EMS / Picture Messaging n/a Yes n/a Yes -
Instant Messaging n/a - n/a Yes Yes
MMS n/a Yes n/a Yes Yes
Text Messaging Templates n/a Yes n/a Yes Yes
Music
Headphone Jack (3.5mm) Yes - Yes - Yes
Music Player n/a - n/a - Yes
Stereo Speakers - - Yes - -
Photo & Video
Miracast Yes - - - -
TV Output - Yes - - -
Power
Fast Charging Yes - Yes - -
Productivity
Alarm n/a Yes n/a Yes Yes *
Calculator n/a Yes n/a Yes -
Calendar n/a Yes n/a Yes Yes
To-Do List n/a Yes n/a - Yes
Voice Memo n/a Yes n/a Yes -
Software
Games n/a Yes n/a Yes Yes
Java (J2ME) n/a Yes n/a Yes Yes
Voice
HD Voice - - Yes - -
Headset Jack (2.5 mm) n/a - n/a Yes -
Speaker Phone Yes Yes Yes - Yes
  * Some versions only
  Asus ZenFone 4 Samsung SGH-X820 TCL 40 XL / Jitterbug Smart 4 LG F9100 Sharp Sidekick LX 2007
  X > < X > < X > < X > < X

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

 
Phone Asus ZenFone 4 Samsung SGH-X820 TCL 40 XL / Jitterbug Smart 4 LG F9100 Sharp Sidekick LX 2007

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