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Phone Samsung Trance SCH-U490 Google Pixel 3a XL Nubia Red Magic 3 / 3S Samsung Axle R311
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2.1" diag.
4 : 3
6" diag.
18 : 9
6.7" diag.
19.5 : 9
1.9" diag.
4 : 3
Display Resolution & Type 176 x 220 pixels
(~134 ppi)
LCD (TFT/TFD)
1080 x 2160 pixels
(~402 ppi)
AMOLED
1080 x 2340 pixels
(~388 ppi)
AMOLED
176 x 220 pixels
(~148 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz 90 Hz ?
Battery ? 3,700 mAh 5,000 mAh ?
Processor ? 2 GHz Qualcomm Snapdragon 670 Qualcomm Snapdragon 855+ ?
RAM ? 4 GB 8 GB * ?
Storage ? raw hardware 64 GB 128 GB * ? raw hardware
Main Camera 1 megapixel 12 megapixel 48 megapixel Yes
Wide Camera - - - -
Tele Camera - - - -
Video Capture - 4K UHD 4K UHD -
Front Camera - 8 megapixel 16 megapixel -
Weight 3.53 oz
(100g)
5.89 oz
(167g)
7.58 oz
(215g)
3.37 oz
(96g)
Dimensions 4" x 1.97" x 0.55"
(102 x 50 x 14 mm)
6.3" x 3" x 0.3"
(160 x 76 x 7.6 mm)
6.76" x 3.09" x 0.38"
(172 x 79 x 9.7 mm)
3.54" x 1.77" x 0.77"
(90 x 45 x 19.6 mm)
Form Factor Slide Slab Slab Clamshell
Platform / OS (proprietary) Android Android (proprietary)
Network Bands

CDMA: 850, 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, 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

CDMA: 850, 1900

Data Technology 1xRTT LTE (Cat 11) LTE (Cat 9) 1xRTT
Features 
Barometer - Yes - -
Fingerprint Reader - Yes
stand-alone
Yes
stand-alone
-
Flashlight - Yes Yes -
GPS / Location Yes n/a n/a Yes
Accessibility
Adjustable Text Size Yes n/a n/a -
Hearing Aid Compatible Yes
M4, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
- Yes
M4 (very compatible)
Multiple Languages Yes n/a n/a Yes
TTY/TDD (Digital) Yes Yes Yes Yes
Alerts
Extra Display - - - Yes
Connectivity
Bluetooth Yes Yes Yes Yes
NFC - Yes - -
USB Yes Yes
USB Type C
Yes
USB Type C
-
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID Yes n/a n/a Yes
Ringer ID Yes n/a n/a Yes
Voice Dialing Yes n/a n/a Yes
Customization
Custom Graphics Yes n/a n/a Yes
Custom Ringtones Yes n/a n/a Yes
Real-Music Ringers Yes n/a n/a Yes
Data & Network
Data Tethering Yes n/a n/a Yes
Dual-SIM - - Yes -
WAP / Web Browser Yes n/a n/a Yes
Input
Predictive Text Entry Yes n/a n/a Yes
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes -
Touch Screen - Yes
Capacitive
Yes
Capacitive
-
Memory
Memory Card Slot Yes - - -
Messaging
MMS Yes n/a n/a Yes
Text Messaging Templates Yes n/a n/a Yes
Music
Headphone Jack (3.5mm) Yes Yes Yes -
Music Player Yes n/a n/a -
Stereo Speakers - Yes Yes -
Photo & Video
TV Output - - Yes -
Power
Fast Charging - Yes Yes -
Productivity
Alarm Yes n/a n/a Yes
Calculator Yes n/a n/a Yes
Calendar Yes n/a n/a Yes
Voice Memo Yes n/a n/a Yes
Software
BREW Yes n/a n/a Yes
Games Yes n/a n/a Yes
Voice
Call Screening - Yes - -
HD Voice - Yes Yes -
Speaker Phone Yes Yes Yes Yes
  Samsung Trance SCH-U490 Google Pixel 3a XL Nubia Red Magic 3 / 3S Samsung Axle R311
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Trance SCH-U490 Google Pixel 3a XL Nubia Red Magic 3 / 3S Samsung Axle R311

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