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Phone Ericsson R520 Palm Treo 600 (GSM) Coolpad Quattro 4G Google Pixel 3a XL Motorola Moto Z2 Force
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 4" diag.
5 : 3
6" diag.
18 : 9
5.5" diag.
16 : 9
Display Resolution & Type ? 160 x 160 pixels
LCD (Color)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
1080 x 2160 pixels
(~402 ppi)
AMOLED
1440 x 2560 pixels
(~534 ppi)
AMOLED
Display Refresh ? ? 60 Hz 60 Hz 60 Hz
Battery ? ? 1,600 mAh 3,700 mAh 2,730 mAh
Processor ? ? ? 2 GHz Qualcomm Snapdragon 670 2.4 GHz Qualcomm Snapdragon 835 (MSM8998)
RAM ? ? ? 4 GB 4 GB
Storage ? raw hardware ? raw hardware 512 MB 64 GB 64 GB
Main Camera - Yes 3 megapixel 12 megapixel 12 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - VGA (640 x 480) 4K UHD 4K UHD
Front Camera - - Yes 8 megapixel 5 megapixel
Weight 4.23 oz
(120g)
5.92 oz
(168g)
3.31 oz
(94g)
5.89 oz
(167g)
5.04 oz
(143g)
Dimensions 5.12" x 1.97" x 0.63"
(130 x 50 x 16 mm)
4.41" x 2.36" x 0.87"
(112 x 60 x 22.1 mm)
4.96" x 2.6" x 0.51"
(126 x 66 x 13 mm)
6.3" x 3" x 0.3"
(160 x 76 x 7.6 mm)
6.13" x 2.99" x 0.24"
(156 x 76 x 6.1 mm)
Form Factor Slab Slab Slab Slab Slab
Platform / OS (proprietary) Palm OS Android Android Android
Network Bands

GSM: 900, 1800, 1900

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4

CDMA: 850, 1700, 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

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 41, 66

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

Data Technology GPRS GPRS LTE (Cat 3) LTE (Cat 11) LTE (Cat 16)
Features 
Barometer - - - Yes Yes
Fingerprint Reader - - - Yes
stand-alone
Yes
stand-alone
Flashlight - - - Yes Yes
GPS / Location - n/a n/a n/a n/a
VR-ready - - - - Yes
Water-Resistant - - - - Yes
Accessibility
Hearing Aid Compatible - - Yes Yes Yes
Multiple Languages Yes n/a n/a n/a n/a
TTY/TDD (Digital) - Yes Yes Yes Yes
Alerts
Ringer Profiles Yes - - - -
Connectivity
Bluetooth Yes
HSP, Sync, OPP, DUN
- Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) Yes Yes - - -
Mobile Hotspot - n/a n/a n/a n/a
NFC - - - Yes Yes
USB - Yes Yes Yes
USB Type C
Yes
USB Type C
Wi-Fi - - Yes 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 n/a
Ringer ID - n/a n/a n/a n/a
Voice Dialing Yes n/a n/a n/a n/a
Customization
Custom Graphics - n/a n/a n/a n/a
Custom Ringtones Yes n/a n/a n/a n/a
Real-Music Ringers - n/a n/a n/a n/a
Data & Network
Data Tethering Yes n/a n/a n/a n/a
Dual-SIM - - - - Yes *
WAP / Web Browser Yes n/a n/a n/a n/a
Input
Predictive Text Entry Yes n/a n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - - -
Touch Screen - Yes Yes Yes Yes
Memory
Memory Card Slot - Yes Yes - Yes
Messaging
Email Client - n/a n/a n/a n/a
Instant Messaging - n/a n/a n/a n/a
MMS - n/a n/a n/a n/a
Text Messaging Templates Yes n/a n/a n/a n/a
Music
Headphone Jack (3.5mm) - - Yes Yes -
Music Player - n/a n/a n/a n/a
Stereo Speakers - - - Yes -
Power
Fast Charging - - - Yes Yes
Productivity
Alarm Yes n/a n/a n/a n/a
Calculator Yes n/a n/a n/a n/a
Calendar Yes n/a n/a n/a n/a
To-Do List - n/a n/a n/a n/a
Voice Memo Yes n/a n/a n/a n/a
Software
Games Yes n/a n/a n/a n/a
Voice
Call Screening - - - Yes -
HD Voice - - - Yes Yes
Headset Jack (2.5 mm) - n/a n/a n/a n/a
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Ericsson R520 Palm Treo 600 (GSM) Coolpad Quattro 4G Google Pixel 3a XL Motorola Moto Z2 Force
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Ericsson R520 Palm Treo 600 (GSM) Coolpad Quattro 4G Google Pixel 3a XL Motorola Moto Z2 Force

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