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Phone Samsung SGH-X640 LG K40 / Harmony 3 Motorola Rapture VU30 Samsung Galaxy Note 4 (CDMA)
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? 5.7" diag.
18 : 9
2.2" diag.
4 : 3
5.7" diag.
16 : 9
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
720 x 1440 pixels
(~282 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~515 ppi)
AMOLED
Display Refresh ? 60 Hz ? 60 Hz
Battery 800 mAh 3,000 mAh ? 3,220 mAh
Processor ? 1.8 GHz Qualcomm Snapdragon 450 ? 2.7 GHz Qualcomm Snapdragon 805
RAM ? 2 GB ? 3 GB
Storage ? raw hardware 32 GB ? raw hardware 32 GB
Main Camera Yes 13 megapixel 2 megapixel 16 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture - 1080p HD QVGA (320 x 240) 4K UHD
Front Camera - 5 megapixel - 4 megapixel
Weight 3 oz
(85g)
5.11 oz
(145g)
3.4 oz
(96g)
6.21 oz
(176g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
6.02" x 2.83" x 0.32"
(153 x 72 x 8.1 mm)
3.9" x 1.9" x 0.67"
(99 x 48 x 17 mm)
6.04" x 3.09" x 0.33"
(154 x 79 x 8.5 mm)
Form Factor Clamshell Slab Clamshell Slab
Platform / OS (proprietary) Android (proprietary) Android
Network Bands

GSM: 900, 1800, 1900

4G LTE: 2, 4, 5, 12, 13, 14, 25, 26, 29, 30, 41, 66, 71

WCDMA: 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

4G LTE: 4, 13

WCDMA: 1, 2, 5

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

Data Technology GPRS LTE (Cat 6) EVDO r0 LTE (Cat 4)
Features 
Fingerprint Reader - Yes
stand-alone
- Yes
Flashlight - Yes - Yes
GPS / Location - n/a Yes n/a
Accessibility
Adjustable Text Size - n/a - n/a
Hearing Aid Compatible - Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Multiple Languages Yes n/a Yes n/a
TTY/TDD (Digital) - Yes Yes Yes
Alerts
Extra Display - - Yes -
Connectivity
Bluetooth - Yes Yes Yes
Infrared (IR) - - - Yes
MirrorLink - - - Yes
Mobile Hotspot - n/a - n/a
NFC - Yes * - Yes
USB - Yes
Micro-USB
Yes
Micro-USB
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 n/a Yes n/a
Ringer ID Yes n/a Yes n/a
Voice Dialing - n/a Yes n/a
Customization
Custom Graphics Yes n/a Yes n/a
Custom Ringtones Yes n/a Yes n/a
Real-Music Ringers - n/a - n/a
Data & Network
Data Tethering - n/a Yes n/a
WAP / Web Browser Yes n/a Yes n/a
Input
Predictive Text Entry Yes n/a Yes n/a
Side Keys Yes Yes Yes Yes
Stylus - - - Yes
Touch Screen - Yes
Capacitive
- Yes
Capacitive
Memory
Memory Card Slot - Yes Yes Yes
Messaging
Email Client - n/a Yes n/a
EMS / Picture Messaging Yes n/a Yes n/a
Instant Messaging - n/a Yes n/a
MMS Yes n/a Yes n/a
Text Messaging Templates Yes n/a Yes n/a
Music
FM Radio - Yes - -
Headphone Jack (3.5mm) - Yes - Yes
Music Player - n/a Yes n/a
Photo & Video
DLNA - Yes - -
TV Output - - - Yes
Power
Fast Charging - - - Yes
Productivity
Alarm Yes n/a Yes n/a
Calculator Yes n/a Yes n/a
Calendar Yes n/a Yes n/a
To-Do List Yes n/a - n/a
Voice Memo Yes n/a Yes n/a
Software
BREW - n/a Yes n/a
Games Yes n/a Yes n/a
Java (J2ME) Yes n/a - n/a
Voice
HD Voice - Yes - Yes
Headset Jack (2.5 mm) Yes n/a Yes n/a
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Samsung SGH-X640 LG K40 / Harmony 3 Motorola Rapture VU30 Samsung Galaxy Note 4 (CDMA)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 LG K40 / Harmony 3 Motorola Rapture VU30 Samsung Galaxy Note 4 (CDMA)

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