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Phone Nokia E66 TCL 40 XL / Jitterbug Smart 4 Nubia Red Magic 3 / 3S Samsung SGH-X660 Amazon Fire
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.4" diag.
4 : 3
6.8" diag.
20 : 9
6.7" diag.
19.5 : 9
? 4.7" diag.
16 : 9
Display Resolution & Type 240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
720 x 1600 pixels
(~260 ppi)
LCD (TFT/TFD)
1080 x 2340 pixels
(~388 ppi)
AMOLED
128 x 160 pixels
LCD (TFT/TFD)
720 x 1280 pixels
(~312 ppi)
LCD (TFT/TFD)
Display Refresh ? 90 Hz 90 Hz ? ?
Battery 1,000 mAh 5,000 mAh 5,000 mAh 800 mAh 2,400 mAh
Processor ? 2.3 GHz MediaTek Helio G37 Qualcomm Snapdragon 855+ ? 2.2 GHz Qualcomm Snapdragon 800
RAM ? 4 GB 8 GB * ? 2 GB
Storage ? raw hardware 128 GB 128 GB * ? raw hardware 32 GB *
Main Camera 3 megapixel 50 megapixel 48 megapixel Yes 13 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture QVGA (320 x 240) 1080p HD 4K UHD ? 1080p HD
Front Camera - 8 megapixel 16 megapixel - 2 megapixel
Weight 4.27 oz
(121g)
6.88 oz
(195g)
7.58 oz
(215g)
2.75 oz
(78g)
5.64 oz
(160g)
Dimensions 4.21" x 1.93" x 0.51"
(107 x 49 x 13 mm)
6.61" x 3.01" x 0.35"
(168 x 76 x 8.8 mm)
6.76" x 3.09" x 0.38"
(172 x 79 x 9.7 mm)
3.52" x 1.77" x 0.85"
(89 x 45 x 21.6 mm)
5.5" x 2.6" x 0.35"
(140 x 66 x 8.9 mm)
Form Factor Slide Slab Slab Clamshell Slab
Platform / OS S60 (Symbian) Android Android (proprietary) (proprietary)
Network Bands

WCDMA: 2, 5

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

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 30, 34, 38, 39, 40, 41, 66

WCDMA: 1, 2, 4, 5, 8, 19

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

GSM: 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 HSDPA 3.6 LTE (Cat 6) LTE (Cat 9) GPRS LTE (Cat 4)
Features 
Barometer - Yes - - -
Fingerprint Reader - Yes Yes
stand-alone
- -
Flashlight - Yes Yes - Yes
GPS / Location n/a n/a n/a - Yes
Accessibility
Hearing Aid Compatible - Yes - - Yes
Multiple Languages n/a n/a n/a Yes Yes
TTY/TDD (Digital) - Yes Yes - Yes
Alerts
Extra Display - - - Yes -
Ringer Profiles Yes - - - -
Connectivity
Bluetooth Yes Yes Yes - Yes
Infrared (IR) Yes - - Yes -
Mobile Hotspot n/a n/a n/a - Yes
NFC - - - - Yes
USB Yes
Micro-USB
Yes
USB Type C
Yes
USB Type C
- Yes
Micro-USB
Wi-Fi Yes
802.11 b,g
Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID n/a n/a n/a Yes Yes
Ringer ID n/a n/a n/a Yes Yes
Voice Dialing n/a n/a n/a - Yes
Customization
Custom Graphics n/a n/a n/a Yes -
Custom Ringtones n/a n/a n/a Yes Yes
Real-Music Ringers n/a n/a n/a Yes -
Data & Network
Data Tethering n/a n/a n/a - Yes
Dual-SIM - - Yes - -
WAP / Web Browser n/a n/a n/a Yes Yes
Input
Predictive Text Entry n/a n/a n/a Yes Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes - -
Touch Screen - Yes Yes - Yes
Memory
Memory Card Slot Yes Yes - - -
Messaging
Email Client n/a n/a n/a - Yes
EMS / Picture Messaging n/a n/a n/a Yes -
Instant Messaging n/a n/a n/a - -
MMS n/a n/a n/a Yes Yes
Text Messaging Templates n/a n/a n/a Yes Yes
Music
FM Radio Yes - - - -
Headphone Jack (3.5mm) - Yes Yes - Yes
Music Player n/a n/a n/a - Yes
Stereo Speakers - Yes Yes - Yes
Photo & Video
Miracast - - - - Yes
TV Output - - Yes - Yes
Video Calling n/a n/a n/a - -
Power
Fast Charging - Yes Yes - -
Productivity
Alarm n/a n/a n/a Yes Yes
Calculator n/a n/a n/a Yes Yes
Calendar n/a n/a n/a Yes Yes
To-Do List n/a n/a n/a Yes -
Voice Memo n/a n/a n/a Yes Yes
Software
Games n/a n/a n/a Yes Yes
Java (J2ME) n/a n/a n/a Yes -
Voice
HD Voice - Yes Yes - Yes
Headset Jack (2.5 mm) n/a n/a n/a - -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Nokia E66 TCL 40 XL / Jitterbug Smart 4 Nubia Red Magic 3 / 3S Samsung SGH-X660 Amazon Fire
  X > < X > < X > < X > < X

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

 
Phone Nokia E66 TCL 40 XL / Jitterbug Smart 4 Nubia Red Magic 3 / 3S Samsung SGH-X660 Amazon Fire

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