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Phone Alcatel Idol 4S Motorola KRZR K1 TCL 20 XE Sony Ericsson K850
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Not yet released Released Released Released
Specifications 
Display Size 5.5" diag.
16 : 9
? 6.5" diag.
20 : 9
2.2" diag.
4 : 3
Display Resolution & Type 1440 x 2560 pixels
(~534 ppi)
AMOLED
176 x 220 pixels
LCD (TFT/TFD)
720 x 1600 pixels
(~269 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? 60 Hz ?
Battery 3,000 mAh 780 mAh 5,000 mAh ?
Processor 1.8 GHz Qualcomm Snapdragon 652 (MSM8976) ? 2 GHz MediaTek Helio P22 (MT6762) ?
RAM 3 GB ? 3 GB ?
Storage 32 GB ? raw hardware 32 GB ? raw hardware
Main Camera 16 megapixel 2 megapixel 13 megapixel 5 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture 4K UHD ? 1080p HD ?
Front Camera 8 megapixel - 5 megapixel -
Weight 5.26 oz
(149g)
3.6 oz
(102g)
6.88 oz
(195g)
4.2 oz
(119g)
Dimensions 6.06" x 2.97" x 0.28"
(154 x 75 x 7 mm)
4.05" x 1.65" x 0.63"
(103 x 42 x 16 mm)
6.48" x 2.95" x 0.35"
(165 x 75 x 8.9 mm)
4" x 1.9" x 0.7"
(102 x 48 x 17.8 mm)
Form Factor Slab Clamshell Slab Slab
Platform / OS Android (proprietary) Android (proprietary)
Network Bands

4G LTE: 2, 4, 5, 7, 12, 17

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 7, 12, 25, 26, 41, 66, 71

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 4) EDGE LTE (Cat 6) HSDPA 3.6
Features 
Barometer - - Yes -
Fingerprint Reader Yes * - Yes
stand-alone
-
Flashlight Yes - Yes -
GPS / Location n/a - n/a -
Accessibility
Adjustable Text Size n/a - n/a -
Hearing Aid Compatible Yes - Yes -
Multiple Languages n/a Yes n/a Yes
TTY/TDD (Digital) Yes Yes Yes Yes
Alerts
Extra Display - Yes - -
Ringer Profiles - Yes - Yes
Connectivity
Bluetooth Yes Yes Yes Yes
Mobile Hotspot n/a - n/a -
NFC Yes - - -
USB Yes
Micro-USB
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
Voice Dialing n/a Yes n/a Yes
Customization
Custom Graphics n/a Yes n/a Yes
Custom Ringtones n/a Yes n/a Yes
Real-Music Ringers n/a - n/a Yes
Data & Network
Data Tethering n/a Yes n/a Yes
Dual-SIM Yes * - - -
WAP / Web Browser n/a Yes n/a Yes
Input
Predictive Text Entry n/a Yes n/a Yes
Side Keys Yes Yes Yes Yes
Touch Screen Yes - Yes -
Memory
Memory Card Slot Yes Yes Yes Yes
Messaging
Email Client n/a Yes n/a Yes
EMS / Picture Messaging n/a Yes n/a -
Instant Messaging n/a - n/a -
MMS n/a Yes n/a Yes
Text Messaging Templates n/a Yes n/a Yes
Music
FM Radio - - - Yes
Headphone Jack (3.5mm) Yes - Yes -
Music Player n/a Yes n/a Yes
Stereo Speakers Yes - - -
Photo & Video
Miracast Yes - - -
Video Calling n/a - n/a Yes *
Power
Fast Charging Yes - Yes -
Productivity
Alarm n/a Yes n/a Yes
Calculator n/a Yes n/a Yes
Calendar n/a Yes n/a Yes
To-Do List n/a - n/a Yes
Voice Memo n/a Yes n/a Yes
Software
Games n/a Yes n/a Yes
Java (J2ME) n/a Yes n/a Yes
Voice
HD Voice Yes - Yes -
Push-To-Talk - Yes * - -
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Alcatel Idol 4S Motorola KRZR K1 TCL 20 XE Sony Ericsson K850
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Alcatel Idol 4S Motorola KRZR K1 TCL 20 XE Sony Ericsson K850

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