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Phone Samsung SCH-U550 Sony Xperia PRO-I OnePlus Nord N20 5G Sony Xperia Z3 Compact Ericsson R278d
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Not yet released Released Released Released
Specifications 
Display Size 2.1" diag.
4 : 3
6.5" diag.
21 : 9
6.4" diag.
20 : 9
4.6" diag.
16 : 9
?
Display Resolution & Type 176 x 220 pixels
(~134 ppi)
LCD (TFT/TFD)
1644 x 3840 pixels
(~643 ppi)
AMOLED
1080 x 2400 pixels
(~409 ppi)
AMOLED
720 x 1280 pixels
(~319 ppi)
LCD (TFT/TFD)
101 x 40 pixels
Display Refresh ? 120 Hz 60 Hz 60 Hz ?
Battery 800 mAh 4,500 mAh 4,500 mAh 2,600 mAh ?
Processor ? Qualcomm Snapdragon 888 Snapdragon 695 2.5 GHz Qualcomm Snapdragon 801 (MSM8974AC) ?
RAM ? 12 GB 6 GB 2 GB ?
Storage ? raw hardware 512 GB 128 GB 16 GB ? raw hardware
Main Camera 1 megapixel 12 megapixel 64 megapixel 20 megapixel -
Wide Camera - 12 megapixel - - -
Tele Camera - 12 megapixel - - -
Video Capture ? 4K UHD 1080p HD 4K UHD -
Front Camera - 8 megapixel 16 megapixel 2 megapixel -
Weight 3.17 oz
(90g)
7.44 oz
(211g)
6.1 oz
(173g)
4.55 oz
(129g)
9.28 oz
(263g)
Dimensions 3.76" x 1.92" x 0.68"
(96 x 49 x 17.3 mm)
6.54" x 2.83" x 0.35"
(166 x 72 x 8.9 mm)
6.29" x 2.88" x 0.29"
(160 x 73 x 7.4 mm)
5" x 2.56" x 0.34"
(127 x 65 x 8.6 mm)
5.1" x 2" x 1"
(130 x 51 x 25.4 mm)
Form Factor Clamshell Slab Slab Slab Slab
Platform / OS (proprietary) Android Android Android (proprietary)
Network Bands

CDMA: 850, 1900

5G: 1, 2, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 71, 77-C, 78

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 19, 20, 25, 26, 28, 29, 32, 34, 38, 39, 40, 41, 46, 48, 66, 71

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

GSM: 850, 900, 1800, 1900

5G: 2, 5, 25, 41, 66, 71

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 38, 39, 40, 41, 66, 71

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 13, 17

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

TDMA: 850, 1900

AMPS: 850

Data Technology EVDO r0 NR (5G) NR (5G) LTE (Cat 4) -
Features 
Fingerprint Reader - Yes
stand-alone
Yes - -
Flashlight - Yes Yes - -
GPS / Location Yes n/a n/a n/a -
Ruggedized - - - Yes -
Water-Resistant - Yes
IPX8 (SCUBA)
- Yes
IPX8 (SCUBA)
-
Accessibility
Adjustable Text Size - n/a n/a n/a -
Hearing Aid Compatible Yes
M4, T4 (very tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3, T4 (very tele-coil compatible)
-
Multiple Languages Yes n/a n/a n/a Yes
TTY/TDD (Digital) - Yes Yes Yes -
Alerts
Extra Display Yes - - - -
Ringer Profiles - - - - Yes
Connectivity
Bluetooth Yes Yes Yes Yes -
Mobile Hotspot - n/a n/a n/a -
NFC - Yes Yes Yes -
USB - Yes
USB Type C
Yes
USB Type C
Yes
Micro-USB
-
Wi-Fi - Yes
6 (802.11 a,ac,ax,b,g,n)
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 n/a -
Ringer ID Yes n/a n/a n/a -
Voice Dialing Yes n/a n/a n/a -
Customization
Custom Graphics Yes n/a n/a n/a -
Custom Ringtones Yes n/a n/a n/a Yes
Real-Music Ringers Yes n/a n/a n/a -
Data & Network
Data Tethering Yes n/a n/a n/a Yes
Dual-SIM - Yes - - -
WAP / Web Browser Yes n/a n/a n/a Yes
Input
Predictive Text Entry Yes n/a n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen - Yes
Capacitive
Yes
Capacitive
Yes
Capacitive
-
Memory
Memory Card Slot Yes Yes Yes Yes -
Messaging
Email Client - n/a n/a n/a -
EMS / Picture Messaging Yes n/a n/a n/a -
Instant Messaging - n/a n/a n/a -
MMS Yes n/a n/a n/a -
Text Messaging Templates Yes n/a n/a n/a -
Music
FM Radio - - - Yes -
Headphone Jack (3.5mm) - Yes Yes Yes -
Music Player Yes n/a n/a n/a -
Stereo Speakers - Yes - Yes -
Photo & Video
DLNA - - - Yes -
Miracast - - - Yes -
TV Output - Yes - Yes -
Power
Fast Charging - Yes Yes Yes -
Productivity
Alarm Yes n/a n/a n/a Yes
Calculator Yes n/a n/a n/a -
Calendar Yes n/a n/a n/a -
Voice Memo Yes n/a n/a n/a -
Software
BREW Yes n/a n/a n/a -
Games Yes n/a n/a n/a -
Voice
Call Screening - - - Yes -
HD Voice - Yes Yes - -
Headset Jack (2.5 mm) Yes n/a n/a n/a -
Speaker Phone Yes Yes Yes Yes -
  Samsung SCH-U550 Sony Xperia PRO-I OnePlus Nord N20 5G Sony Xperia Z3 Compact Ericsson R278d
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SCH-U550 Sony Xperia PRO-I OnePlus Nord N20 5G Sony Xperia Z3 Compact Ericsson R278d

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