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Phone Samsung SCH-U430 Samsung Galaxy Note8 Samsung SGH-T819 Samsung SGH-X640
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? 6.3" diag.
18.5 : 9
? ?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
1440 x 2960 pixels
(~522 ppi)
AMOLED
176 x 220 pixels
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? ?
Battery 1,000 mAh 3,300 mAh ? 800 mAh
Processor ? 2.4 GHz Qualcomm Snapdragon 835 (MSM8998) ? ?
RAM ? 6 GB ? ?
Storage ? raw hardware 64 GB * ? raw hardware ? raw hardware
Main Camera Yes 12 megapixel 1 megapixel Yes
Wide Camera - - - -
Tele Camera - 12 megapixel - -
Video Capture - 4K UHD QCIF (176 x 144) -
Front Camera - 8 megapixel - -
Weight 3.21 oz
(91g)
6.88 oz
(195g)
3.46 oz
(98g)
3 oz
(85g)
Dimensions 3.67" x 1.85" x 0.78"
(93 x 47 x 19.8 mm)
6.4" x 2.94" x 0.34"
(163 x 75 x 8.6 mm)
3.96" x 2.03" x 0.55"
(101 x 52 x 14 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
Form Factor Clamshell Slab Slide Clamshell
Platform / OS (proprietary) Android (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

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

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

WCDMA: 4

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

Data Technology 1xRTT LTE (Cat 16) WCDMA (UMTS) GPRS
Features 
Barometer - Yes - -
Fingerprint Reader - Yes
stand-alone
- -
Flashlight - Yes - -
GPS / Location Yes n/a - -
VR-ready - Yes - -
Water-Resistant - Yes
IPX8 (SCUBA)
- -
Accessibility
Adjustable Text Size Yes n/a - -
Hearing Aid Compatible Yes
M4, T4 (very tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
- -
Multiple Languages Yes n/a Yes Yes
TTY/TDD (Digital) Yes Yes - -
Alerts
Extra Display Yes - - -
Ringer Profiles - - Yes -
Connectivity
Bluetooth Yes Yes Yes -
MirrorLink - Yes - -
NFC - Yes - -
USB - Yes
USB Type C
Yes -
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
- -
Contacts
Picture ID Yes n/a Yes Yes
Ringer ID Yes n/a Yes Yes
Voice Dialing Yes n/a Yes -
Customization
Custom Graphics Yes n/a Yes Yes
Custom Ringtones Yes n/a Yes Yes
Real-Music Ringers - n/a Yes -
Data & Network
Data Tethering - n/a Yes -
WAP / Web Browser Yes n/a Yes Yes
Input
Predictive Text Entry Yes n/a Yes Yes
Side Keys Yes Yes Yes Yes
Stylus - Yes - -
Touch Screen - Yes
Capacitive
- -
Memory
Memory Card Slot - Yes Yes -
Messaging
Email Client Yes n/a - -
EMS / Picture Messaging Yes n/a Yes Yes
Instant Messaging Yes n/a Yes -
MMS Yes n/a Yes Yes
Text Messaging Templates Yes n/a Yes Yes
Music
Headphone Jack (3.5mm) - Yes - -
Music Player - n/a Yes -
Photo & Video
Miracast - Yes - -
Power
Fast Charging - Yes - -
Wireless Charging - Yes - -
Productivity
Alarm Yes n/a Yes Yes
Calculator Yes n/a Yes Yes
Calendar Yes n/a Yes Yes
To-Do List - n/a Yes Yes
Voice Memo Yes n/a - Yes
Software
BREW Yes n/a - -
Games Yes n/a Yes Yes
Java (J2ME) - n/a Yes Yes
Voice
HD Voice - Yes - -
Headset Jack (2.5 mm) Yes n/a - Yes
Speaker Phone Yes Yes Yes Yes
  Samsung SCH-U430 Samsung Galaxy Note8 Samsung SGH-T819 Samsung SGH-X640
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SCH-U430 Samsung Galaxy Note8 Samsung SGH-T819 Samsung SGH-X640

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