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Phone Nubia Red Magic 3 / 3S Samsung SGH-X640 Google Pixel 3a XL Sony Ericsson K850 Sony Ericsson T68i
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 6.7" diag.
19.5 : 9
? 6" diag.
18 : 9
2.2" diag.
4 : 3
?
Display Resolution & Type 1080 x 2340 pixels
(~388 ppi)
AMOLED
128 x 160 pixels
LCD (TFT/TFD)
1080 x 2160 pixels
(~402 ppi)
AMOLED
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
101 x 80 pixels
LCD (STN)
Display Refresh 90 Hz ? 60 Hz ? ?
Battery 5,000 mAh 800 mAh 3,700 mAh ? 700 mAh
Processor Qualcomm Snapdragon 855+ ? 2 GHz Qualcomm Snapdragon 670 ? ?
RAM 8 GB * ? 4 GB ? ?
Storage 128 GB * ? raw hardware 64 GB ? raw hardware ? raw hardware
Main Camera 48 megapixel Yes 12 megapixel 5 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 4K UHD - 4K UHD ? -
Front Camera 16 megapixel - 8 megapixel - -
Weight 7.58 oz
(215g)
3 oz
(85g)
5.89 oz
(167g)
4.2 oz
(119g)
2.96 oz
(84g)
Dimensions 6.76" x 3.09" x 0.38"
(172 x 79 x 9.7 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
6.3" x 3" x 0.3"
(160 x 76 x 7.6 mm)
4" x 1.9" x 0.7"
(102 x 48 x 17.8 mm)
3.94" x 1.89" x 0.79"
(100 x 48 x 20.1 mm)
Form Factor Slab Clamshell Slab Slab Slab
Platform / OS Android (proprietary) Android (proprietary) (proprietary)
Network Bands

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

GSM: 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

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

Data Technology LTE (Cat 9) GPRS LTE (Cat 11) HSDPA 3.6 GPRS
Features 
Barometer - - Yes - -
Fingerprint Reader Yes
stand-alone
- Yes
stand-alone
- -
Flashlight Yes - Yes - -
Accessibility
Hearing Aid Compatible - - Yes
M3, T3 (mostly tele-coil compatible)
- -
Multiple Languages n/a Yes n/a Yes Yes
TTY/TDD (Digital) Yes - Yes Yes -
Alerts
Ringer Profiles - - - Yes Yes
Connectivity
Bluetooth Yes - Yes Yes Yes
Infrared (IR) - - - - Yes
NFC - - Yes - -
USB Yes
USB Type C
- Yes
USB Type C
Yes -
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
- -
Contacts
Picture ID n/a Yes n/a Yes Yes
Ringer ID n/a Yes n/a Yes Yes
Voice Dialing n/a - n/a Yes Yes
Customization
Custom Graphics n/a Yes n/a Yes Yes
Custom Ringtones n/a Yes n/a Yes Yes
Real-Music Ringers n/a - n/a Yes -
Data & Network
Data Tethering n/a - n/a Yes Yes
Dual-SIM Yes - - - -
WAP / Web Browser n/a Yes n/a Yes Yes
Input
Predictive Text Entry n/a Yes n/a Yes Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - - -
Touch Screen Yes
Capacitive
- Yes
Capacitive
- -
Memory
Memory Card Slot - - - Yes -
Messaging
Email Client n/a - n/a Yes Yes
EMS / Picture Messaging n/a Yes n/a - Yes
MMS n/a Yes n/a Yes Yes
Text Messaging Templates n/a Yes n/a Yes Yes
Music
FM Radio - - - Yes -
Headphone Jack (3.5mm) Yes - Yes - -
Music Player n/a - n/a Yes -
Stereo Speakers Yes - Yes - -
Photo & Video
TV Output Yes - - - -
Video Calling n/a - n/a Yes * -
Power
Fast Charging Yes - Yes - -
Productivity
Alarm n/a Yes n/a Yes Yes
Calculator n/a Yes n/a Yes Yes
Calendar n/a Yes n/a Yes Yes
To-Do List n/a Yes n/a Yes Yes
Voice Memo n/a Yes n/a Yes Yes
Software
Games n/a Yes n/a Yes Yes
Java (J2ME) n/a Yes n/a Yes -
Voice
Call Screening - - Yes - -
HD Voice Yes - Yes - -
Headset Jack (2.5 mm) n/a Yes n/a - -
Speaker Phone Yes Yes Yes Yes -
  * Some versions only
  Nubia Red Magic 3 / 3S Samsung SGH-X640 Google Pixel 3a XL Sony Ericsson K850 Sony Ericsson T68i
  X > < X > < X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Nubia Red Magic 3 / 3S Samsung SGH-X640 Google Pixel 3a XL Sony Ericsson K850 Sony Ericsson T68i

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