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Phone Samsung SGH-X640 Samsung Galaxy Note Edge (GSM) NEC 525 Samsung Galaxy S10e Nokia 6315i
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 5.6" diag.
16 : 9
? 5.8" diag.
19 : 9
?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
1440 x 2560 pixels
(~525 ppi)
AMOLED
162 x 216 pixels
LCD (TFT/TFD)
1080 x 2280 pixels
(~435 ppi)
AMOLED
176 x 220 pixels
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? 60 Hz ?
Battery 800 mAh 3,000 mAh 800 mAh 3,100 mAh 950 mAh
Processor ? 2.7 GHz Qualcomm Snapdragon 805 (APQ8084) ? 2.8 GHz Qualcomm Snapdragon 855 ?
RAM ? 3 GB ? 6 GB * ?
Storage ? raw hardware 32 GB ? raw hardware 128 GB * ? raw hardware
Main Camera Yes 16 megapixel Yes 12 megapixel 1 megapixel
Wide Camera - - - 16 megapixel -
Tele Camera - - - - -
Video Capture - 4K UHD - 4K UHD ?
Front Camera - 4 megapixel - 10 megapixel -
Weight 3 oz
(85g)
6.14 oz
(174g)
4.03 oz
(114g)
5.29 oz
(150g)
3.34 oz
(95g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
5.96" x 3.24" x 0.33"
(151 x 82 x 8.3 mm)
4.12" x 1.88" x 1.06"
(105 x 48 x 26.9 mm)
5.6" x 2.75" x 0.31"
(142 x 70 x 7.9 mm)
3.52" x 1.87" x 0.72"
(89 x 47 x 18.3 mm)
Form Factor Clamshell Slab Clamshell Slab Clamshell
Platform / OS (proprietary) Android (proprietary) Android (proprietary)
Network Bands

GSM: 900, 1800, 1900

4G LTE: 2, 4, 5, 17

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology GPRS LTE (Cat 4) GPRS LTE (Cat 20) EVDO r0
Features 
Barometer - - - Yes -
Fingerprint Reader - Yes - Yes
stand-alone
-
Flashlight - Yes - Yes -
GPS / Location - n/a - n/a Yes
VR-ready - - - Yes -
Water-Resistant - - - Yes
IPX8 (SCUBA)
-
Accessibility
Hearing Aid Compatible - Yes - Yes Yes
Multiple Languages Yes n/a Yes n/a Yes
TTY/TDD (Digital) - Yes Yes Yes Yes
Alerts
Extra Display - - Yes - Yes
Ringer Profiles - - Yes - -
Connectivity
Bluetooth -
Yes
Classic Audio
-
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - Yes Yes - -
MirrorLink - Yes - Yes -
NFC - Yes - Yes -
USB - Yes Yes Yes
USB Type C
Yes
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
- Yes
6 (802.11 a,ac,ax,b,g,n)
-
Contacts
Picture ID Yes n/a Yes n/a Yes
Ringer ID Yes n/a Yes n/a Yes
Voice Dialing - n/a Yes n/a Yes
Customization
Custom Graphics Yes n/a Yes n/a Yes
Custom Ringtones Yes n/a Yes n/a Yes
Data & Network
Data Tethering - n/a Yes n/a Yes
Dual-SIM - - - Yes * -
External Antenna Jack - n/a - n/a Yes
WAP / Web Browser Yes n/a Yes n/a Yes
Input
Predictive Text Entry Yes n/a Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Stylus - Yes - - -
Touch Screen - Yes - Yes -
Memory
Memory Card Slot - Yes - Yes Yes
Messaging
Email Client - n/a Yes n/a -
EMS / Picture Messaging Yes n/a Yes n/a -
MMS Yes n/a Yes n/a Yes
Text Messaging Templates Yes n/a - n/a Yes
Music
FM Radio - - - Yes -
Headphone Jack (3.5mm) - Yes - Yes -
Music Player - n/a - n/a Yes
Stereo Speakers - - - Yes -
Photo & Video
DLNA - Yes - - -
Miracast - - - Yes -
TV Output - Yes - Yes -
Power
Fast Charging - Yes - Yes -
Wireless Charging - - - Yes -
Productivity
Alarm Yes n/a Yes n/a Yes
Calculator Yes n/a Yes n/a Yes
Calendar Yes n/a Yes n/a Yes
To-Do List Yes n/a Yes n/a -
Voice Memo Yes n/a Yes n/a -
Software
BREW - n/a - n/a Yes
Games Yes n/a Yes n/a Yes
Java (J2ME) Yes n/a Yes n/a -
Voice
HD Voice - Yes - Yes -
Headset Jack (2.5 mm) Yes n/a Yes n/a Yes
Speaker Phone Yes Yes - Yes Yes
  * Some versions only
  Samsung SGH-X640 Samsung Galaxy Note Edge (GSM) NEC 525 Samsung Galaxy S10e Nokia 6315i
  X > < X > < X > < X > < X

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

 
Phone Samsung SGH-X640 Samsung Galaxy Note Edge (GSM) NEC 525 Samsung Galaxy S10e Nokia 6315i

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