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Phone Samsung Wafer R510 Motorola V878 Nokia 3711 Coolpad Defiant Google Pixel 3a XL
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 1.9" diag.
4 : 3
? 2.2" diag.
4 : 3
5" diag.
16 : 9
6" diag.
18 : 9
Display Resolution & Type 220 x 176 pixels
(~148 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
480 x 854 pixels
(~196 ppi)
LCD (TFT/TFD)
1080 x 2160 pixels
(~402 ppi)
AMOLED
Display Refresh ? ? ? 60 Hz 60 Hz
Battery 800 mAh ? 860 mAh 2,450 mAh 3,700 mAh
Processor ? ? ? 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) 2 GHz Qualcomm Snapdragon 670
RAM ? ? ? 1 GB 4 GB
Storage ? raw hardware ? raw hardware ? raw hardware 8 GB 64 GB
Main Camera 1 megapixel Yes 2 megapixel 5 megapixel 12 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? ? ? 720p HD 4K UHD
Front Camera - - - 2 megapixel 8 megapixel
Weight 2.47 oz
(70g)
2.82 oz
(80g)
3.31 oz
(94g)
6.5 oz
(184g)
5.89 oz
(167g)
Dimensions 4.45" x 1.97" x 0.33"
(113 x 50 x 8.4 mm)
3.23" x 1.65" x 0.85"
(82 x 42 x 21.6 mm)
3.5" x 1.85" x 0.59"
(89 x 47 x 15 mm)
5.69" x 2.81" x 0.4"
(145 x 71 x 10.2 mm)
6.3" x 3" x 0.3"
(160 x 76 x 7.6 mm)
Form Factor Slab Clamshell Clamshell Slab Slab
Platform / OS (proprietary) (proprietary) (proprietary) Android Android
Network Bands

CDMA: 850, 1900

GSM: 900, 1800, 1900

WCDMA: 1, 4, 8

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 12

WCDMA: 2, 4, 5

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

Data Technology EVDO r0 GPRS WCDMA (UMTS) LTE (Cat 4) LTE (Cat 11)
Features 
Barometer - - - - Yes
Fingerprint Reader - - - - Yes
stand-alone
Flashlight - - - Yes Yes
GPS / Location Yes - Yes n/a n/a
Accessibility
Adjustable Text Size - - Yes n/a n/a
Hearing Aid Compatible Yes - - Yes Yes
Multiple Languages Yes Yes Yes n/a n/a
TTY/TDD (Digital) Yes - - Yes Yes
Alerts
Extra Display - Yes Yes - -
Ringer Profiles - Yes Yes - -
Connectivity
Bluetooth Yes
Classic Audio
-
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
NFC - - - - Yes
USB - Yes Yes
Micro-USB
Yes
Micro-USB
Yes
USB Type C
Wi-Fi - - - Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes Yes Yes n/a n/a
Ringer ID - Yes Yes n/a n/a
Voice Dialing Yes Yes Yes n/a n/a
Customization
Custom Graphics Yes Yes Yes n/a n/a
Custom Ringtones Yes Yes Yes n/a n/a
Real-Music Ringers - - Yes n/a n/a
Data & Network
Data Tethering - Yes Yes n/a n/a
WAP / Web Browser Yes Yes Yes n/a n/a
Input
Predictive Text Entry Yes Yes Yes n/a n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen - - - Yes Yes
Memory
Memory Card Slot Yes - Yes Yes -
Messaging
Email Client - - Yes n/a n/a
EMS / Picture Messaging - Yes - n/a n/a
Instant Messaging - - Yes n/a n/a
MMS Yes Yes Yes n/a n/a
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) - - - Yes Yes
Music Player Yes - Yes n/a n/a
Stereo Speakers Yes - - - Yes
Power
Fast Charging - - - - Yes
Productivity
Alarm Yes Yes Yes n/a n/a
Calculator Yes Yes Yes n/a n/a
Calendar Yes Yes Yes n/a n/a
To-Do List - - Yes n/a n/a
Voice Memo Yes Yes Yes n/a n/a
Software
BREW Yes - - n/a n/a
Games Yes Yes Yes n/a n/a
Java (J2ME) - Yes Yes n/a n/a
Voice
Call Screening - - - - Yes
HD Voice - - - - Yes
Headset Jack (2.5 mm) - - Yes n/a n/a
Speaker Phone Yes - Yes Yes Yes
  Samsung Wafer R510 Motorola V878 Nokia 3711 Coolpad Defiant Google Pixel 3a XL
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Wafer R510 Motorola V878 Nokia 3711 Coolpad Defiant Google Pixel 3a XL

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