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Phone Samsung SCH-U620 Samsung SGH-X400 Google Pixel 3 Samsung SPH/SCH-N300 Amazon Fire
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 5.5" diag.
18 : 9
? 4.7" diag.
16 : 9
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
1080 x 2160 pixels
(~439 ppi)
AMOLED
128 x 64 pixels 720 x 1280 pixels
(~312 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz ? ?
Battery 1,000 mAh 620 mAh 2,915 mAh ? 2,400 mAh
Processor ? ? 2.5 GHz Qualcomm Snapdragon 845 ? 2.2 GHz Qualcomm Snapdragon 800
RAM ? ? 4 GB ? 2 GB
Storage ? raw hardware ? raw hardware 64 GB * ? raw hardware 32 GB *
Main Camera 1 megapixel - 12 megapixel - 13 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture QVGA (320 x 240) - 4K UHD - 1080p HD
Front Camera - - 8 megapixel - 2 megapixel
Weight 3.74 oz
(106g)
3.17 oz
(90g)
5.22 oz
(148g)
4.1 oz
(116g)
5.64 oz
(160g)
Dimensions 3.78" x 1.85" x 0.87"
(96 x 47 x 22.1 mm)
3.39" x 1.81" x 0.8"
(86 x 46 x 20.3 mm)
5.73" x 2.69" x 0.31"
(146 x 68 x 7.9 mm)
4.5" x 1.9" x 0.9"
(114 x 48 x 22.9 mm)
5.5" x 2.6" x 0.35"
(140 x 66 x 8.9 mm)
Form Factor Slide Clamshell Slab Flip Slab
Platform / OS (proprietary) (proprietary) Android (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

GSM: 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 38, 39, 40, 41, 42, 46, 66, 71

WCDMA: 1, 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

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

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology EVDO r0 GPRS LTE (Cat 16) - LTE (Cat 4)
Features 
Barometer - - Yes - -
Fingerprint Reader - - Yes
stand-alone
- -
Flashlight - - Yes - Yes
GPS / Location Yes - n/a Yes Yes
VR-ready - - Yes - -
Water-Resistant - - Yes
IPX8 (SCUBA)
- -
Accessibility
Hearing Aid Compatible Yes - Yes - Yes
Multiple Languages Yes Yes n/a - Yes
TTY/TDD (Digital) Yes - Yes - Yes
Alerts
Extra Display - Yes - - -
Connectivity
Bluetooth Yes - Yes - Yes
Infrared (IR) - Yes - - -
Mobile Hotspot - - n/a - Yes
NFC - - Yes - Yes
USB Yes - Yes
USB Type C
- Yes
Micro-USB
Wi-Fi - - Yes
5 (802.11 a,ac,b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes Yes n/a - Yes
Ringer ID Yes Yes n/a - Yes
Voice Dialing Yes - n/a Yes Yes
Customization
Custom Graphics Yes Yes n/a - -
Custom Ringtones Yes Yes n/a - Yes
Data & Network
Data Tethering - - n/a Yes Yes
WAP / Web Browser Yes Yes n/a Yes Yes
Input
Predictive Text Entry Yes Yes n/a Yes Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen - - Yes - Yes
Memory
Memory Card Slot Yes - - - -
Messaging
Email Client - - n/a - Yes
EMS / Picture Messaging - Yes n/a - -
Instant Messaging Yes - n/a - -
MMS Yes - n/a - Yes
Text Messaging Templates Yes Yes n/a - Yes
Music
FM Radio - Yes - - -
Headphone Jack (3.5mm) - - - - Yes
Music Player Yes - n/a - Yes
Stereo Speakers Yes - Yes - Yes
Photo & Video
Miracast - - - - Yes
TV Output - - - - Yes
Power
Fast Charging - - Yes - -
Wireless Charging - - Yes - -
Productivity
Alarm Yes Yes n/a Yes Yes
Calculator Yes Yes n/a Yes Yes
Calendar Yes Yes n/a Yes Yes
To-Do List - Yes n/a Yes -
Voice Memo Yes - n/a - Yes
Software
BREW Yes - n/a - -
Games Yes Yes n/a Yes Yes
Java (J2ME) - Yes n/a - -
Voice
HD Voice - - Yes - Yes
Headset Jack (2.5 mm) Yes Yes n/a Yes -
Speaker Phone Yes - Yes - Yes
  Samsung SCH-U620 Samsung SGH-X400 Google Pixel 3 Samsung SPH/SCH-N300 Amazon Fire
  X > < X > < X > < X > < X

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

 
Phone Samsung SCH-U620 Samsung SGH-X400 Google Pixel 3 Samsung SPH/SCH-N300 Amazon Fire

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