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Phone Nokia Lumia 1520 Google Pixel 3a Motorola v66i Samsung Jack i637
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 6" diag.
16 : 9
5.6" diag.
18.5 : 9
? 2.4" diag.
4 : 3
Display Resolution & Type 1080 x 1920 pixels
(~367 ppi)
LCD (TFT/TFD)
1080 x 2220 pixels
(~441 ppi)
AMOLED
? 320 x 240 pixels
(~167 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? ?
Battery 3,400 mAh 3,000 mAh ? 1,480 mAh
Processor 2.2 GHz Qualcomm Snapdragon 800 2 GHz Qualcomm Snapdragon 670 ? ?
RAM 2 GB 4 GB ? ?
Storage 16 GB * 64 GB ? raw hardware ? raw hardware
Main Camera 20 megapixel 12 megapixel - 3 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture 4K UHD 4K UHD - ?
Front Camera 1 megapixel 8 megapixel - -
Weight 7.37 oz
(209g)
5.19 oz
(147g)
2.79 oz
(79g)
3.6 oz
(102g)
Dimensions 6.41" x 3.36" x 0.34"
(163 x 85 x 8.7 mm)
6" x 2.8" x 0.3"
(152 x 71 x 7.6 mm)
3.3" x 1.7" x 0.83"
(84 x 43 x 21.1 mm)
4.4" x 2.4" x 0.5"
(112 x 61 x 12.7 mm)
Form Factor Slab Slab Clamshell Slab
Platform / OS Windows Android (proprietary) Windows Mobile Standard
Network Bands

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

WCDMA: 1, 2, 5, 8

GSM: 850, 900, 1800, 1900

*

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 25, 26, 28, 29, 30, 38, 40, 41, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 4) LTE (Cat 11) GPRS HSDPA 3.6
Features 
Barometer - Yes - -
Fingerprint Reader - Yes
stand-alone
- -
Flashlight - Yes - -
GPS / Location n/a n/a - n/a
Accessibility
Adjustable Text Size n/a n/a - n/a
Hearing Aid Compatible Yes Yes - Yes
Multiple Languages n/a n/a Yes n/a
TTY/TDD (Digital) Yes Yes - -
Alerts
Ringer Profiles - - - Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
- Yes
Classic Audio
Mobile Hotspot n/a n/a - n/a
NFC Yes Yes - -
USB Yes
Micro-USB
Yes
USB Type C
Yes Yes
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
- Yes
802.11 b,g
Contacts
Picture ID n/a n/a - n/a
Ringer ID n/a n/a Yes n/a
Voice Dialing n/a n/a Yes n/a
Customization
Changeable Body Plates - - Yes -
Custom Graphics n/a n/a - n/a
Custom Ringtones n/a n/a Yes n/a
Real-Music Ringers n/a n/a - n/a
Data & Network
Data Tethering n/a n/a Yes n/a
WAP / Web Browser n/a n/a Yes n/a
Input
Predictive Text Entry n/a n/a Yes n/a
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes
Touch Screen Yes Yes - -
Memory
Memory Card Slot Yes - - Yes
Messaging
Email Client n/a n/a - n/a
EMS / Picture Messaging n/a n/a Yes n/a
Instant Messaging n/a n/a - n/a
MMS n/a n/a - n/a
Text Messaging Templates n/a n/a - n/a
Music
FM Radio Yes - - -
Headphone Jack (3.5mm) Yes Yes - -
Music Player n/a n/a - n/a
Stereo Speakers - Yes - -
Power
Fast Charging - Yes - -
Wireless Charging Yes - - -
Productivity
Alarm n/a n/a Yes n/a
Calculator n/a n/a Yes n/a
Calendar n/a n/a Yes n/a
To-Do List n/a n/a - n/a
Voice Memo n/a n/a Yes n/a
Software
Games n/a n/a Yes n/a
Java (J2ME) n/a n/a Yes n/a
Voice
Call Screening - Yes - -
HD Voice - Yes - -
Headset Jack (2.5 mm) n/a n/a Yes n/a
Speaker Phone Yes Yes - Yes
  Nokia Lumia 1520 Google Pixel 3a Motorola v66i Samsung Jack i637
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Nokia Lumia 1520 Google Pixel 3a Motorola v66i Samsung Jack i637

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