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Phone Sony Ericsson K850 TCL 20 SE Samsung SGH-X640 BlackBerry Z10 (CDMA) TCL 40 XL / Jitterbug Smart 4
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.2" diag.
4 : 3
6.8" diag.
20.5 : 9
? 4.2" diag.
5 : 3
6.8" diag.
20 : 9
Display Resolution & Type 240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
720 x 1640 pixels
(~263 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
768 x 1280 pixels
(~355 ppi)
LCD (TFT/TFD)
720 x 1600 pixels
(~260 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? ? 90 Hz
Battery ? 5,000 mAh 800 mAh 1,800 mAh 5,000 mAh
Processor ? 1.6 GHz Qualcomm Snapdragon 460 ? 1.5 GHz Qualcomm Snapdragon S4 2.3 GHz MediaTek Helio G37
RAM ? 4 GB ? 2 GB 4 GB
Storage ? raw hardware 128 GB ? raw hardware 16 GB 128 GB
Main Camera 5 megapixel 48 megapixel Yes 8 megapixel 50 megapixel
Wide Camera - 5 megapixel - - -
Tele Camera - - - - -
Video Capture ? 1080p HD - 1080p HD 1080p HD
Front Camera - 13 megapixel - 2 megapixel 8 megapixel
Weight 4.2 oz
(119g)
7.31 oz
(207g)
3 oz
(85g)
4.78 oz
(135g)
6.88 oz
(195g)
Dimensions 4" x 1.9" x 0.7"
(102 x 48 x 17.8 mm)
6.78" x 3.04" x 0.35"
(172 x 77 x 8.9 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
5.12" x 2.58" x 0.35"
(130 x 66 x 9 mm)
6.61" x 3.01" x 0.35"
(168 x 76 x 8.8 mm)
Form Factor Slab Slab Clamshell Slab Slab
Platform / OS (proprietary) Android (proprietary) BlackBerry 10 Android
Network Bands

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 26, 28, 66

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

4G LTE: 13

WCDMA: 1, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

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

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology HSDPA 3.6 LTE (Cat 4) GPRS LTE (Cat 3) LTE (Cat 6)
Features 
Barometer - - - - Yes
Fingerprint Reader - Yes
stand-alone
- - Yes
Flashlight - Yes - - Yes
GPS / Location - n/a - n/a n/a
Accessibility
Adjustable Text Size - n/a - n/a n/a
Hearing Aid Compatible - Yes
M4, T3 (mostly tele-coil compatible)
- - Yes
M3, T3 (mostly tele-coil compatible)
Multiple Languages Yes n/a Yes n/a n/a
TTY/TDD (Digital) Yes Yes - Yes Yes
Alerts
Ringer Profiles Yes - - Yes -
Connectivity
Bluetooth Yes Yes - Yes Yes
Mobile Hotspot - n/a - n/a n/a
NFC - - - Yes -
USB Yes Yes
USB Type C
- Yes
Micro-USB
Yes
USB Type C
Wi-Fi - Yes
4 (802.11 b,g,n)
- Yes
4 (802.11 a,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes n/a Yes n/a n/a
Ringer ID Yes n/a Yes n/a n/a
Voice Dialing Yes n/a - n/a n/a
Customization
Custom Graphics Yes n/a Yes n/a n/a
Custom Ringtones Yes n/a Yes n/a n/a
Real-Music Ringers Yes n/a - n/a n/a
Data & Network
Data Tethering Yes n/a - n/a n/a
WAP / Web Browser Yes n/a Yes n/a n/a
Input
Predictive Text Entry Yes n/a Yes n/a n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen - Yes
Capacitive
- Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot Yes Yes - Yes Yes
Messaging
Email Client Yes n/a - n/a n/a
EMS / Picture Messaging - n/a Yes n/a n/a
Instant Messaging - n/a - n/a n/a
MMS Yes n/a Yes n/a n/a
Text Messaging Templates Yes n/a Yes n/a n/a
Music
FM Radio Yes Yes - - -
Headphone Jack (3.5mm) - Yes - Yes Yes
Music Player Yes n/a - n/a n/a
Stereo Speakers - - - - Yes
Photo & Video
DLNA - - - Yes -
TV Output - - - Yes -
Video Calling Yes * n/a - n/a n/a
Power
Fast Charging - - - - Yes
Productivity
Alarm Yes n/a Yes n/a n/a
Calculator Yes n/a Yes n/a n/a
Calendar Yes n/a Yes n/a n/a
To-Do List Yes n/a Yes n/a n/a
Voice Memo Yes n/a Yes n/a n/a
Software
Games Yes n/a Yes n/a n/a
Java (J2ME) Yes n/a Yes n/a n/a
Voice
HD Voice - Yes - - Yes
Headset Jack (2.5 mm) - n/a Yes n/a n/a
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Sony Ericsson K850 TCL 20 SE Samsung SGH-X640 BlackBerry Z10 (CDMA) TCL 40 XL / Jitterbug Smart 4
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Sony Ericsson K850 TCL 20 SE Samsung SGH-X640 BlackBerry Z10 (CDMA) TCL 40 XL / Jitterbug Smart 4

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