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Phone Samsung Freeform III / Comment Samsung SGH-X640 LG K40 / Harmony 3 Samsung ATIV SE LG Stylo 4
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.4" diag.
4 : 3
? 5.7" diag.
18 : 9
5" diag.
16 : 9
6.2" diag.
18 : 9
Display Resolution & Type 320 x 240 pixels
(~167 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
720 x 1440 pixels
(~282 ppi)
LCD (TFT/TFD)
1080 x 1920 pixels
(~441 ppi)
AMOLED
1080 x 2160 pixels
(~390 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz ? 60 Hz
Battery 1,000 mAh 800 mAh 3,000 mAh 2,600 mAh 3,300 mAh
Processor ? ? 1.8 GHz Qualcomm Snapdragon 450 ? 1.8 GHz Qualcomm Snapdragon 450
RAM ? ? 2 GB 2 GB 2 GB *
Storage ? raw hardware ? raw hardware 32 GB 16 GB 32 GB *
Main Camera 1 megapixel Yes 13 megapixel 13 megapixel 13 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - 1080p HD 1080p HD 1080p HD
Front Camera - - 5 megapixel 2 megapixel 5 megapixel
Weight 3.35 oz
(95g)
3 oz
(85g)
5.11 oz
(145g)
4.79 oz
(136g)
6.07 oz
(172g)
Dimensions 4.41" x 2.4" x 0.43"
(112 x 61 x 10.9 mm)
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)
5.42" x 2.75" x 0.33"
(138 x 70 x 8.4 mm)
6.31" x 3.06" x 0.33"
(160 x 78 x 8.4 mm)
Form Factor Slab Clamshell Slab Slab Slab
Platform / OS (proprietary) (proprietary) Android Windows Android
Network Bands

CDMA: 850, 1700, 1900

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

*

4G LTE: 4, 13

WCDMA: 1, 2, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 20, 29, 30, 38, 41, 66, 71

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

*

Data Technology 1xRTT GPRS LTE (Cat 6) LTE (Cat 3) LTE (Cat 6)
Features 
Fingerprint Reader - - Yes
stand-alone
- Yes
stand-alone
Flashlight - - Yes - Yes
GPS / Location Yes - n/a n/a n/a
Accessibility
Adjustable Text Size - - n/a n/a n/a
Hearing Aid Compatible Yes
M4, T4 (very tele-coil compatible)
- Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Multiple Languages Yes Yes n/a n/a n/a
TTY/TDD (Digital) Yes - Yes Yes Yes
Connectivity
Bluetooth Yes - Yes Yes Yes
Infrared (IR) - - - Yes -
Mobile Hotspot - - n/a n/a n/a
NFC - - Yes * Yes Yes *
USB Yes
Micro-USB
- Yes
Micro-USB
Yes
Micro-USB
Yes
USB Type C
Wi-Fi - - Yes
5 (802.11 a,ac,b,g,n)
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 n/a n/a
Ringer ID Yes Yes n/a n/a n/a
Voice Dialing Yes - n/a n/a n/a
Customization
Custom Graphics Yes Yes n/a n/a n/a
Custom Ringtones Yes Yes n/a n/a n/a
Real-Music Ringers Yes - n/a n/a n/a
Data & Network
Data Tethering - - n/a n/a n/a
WAP / Web Browser Yes Yes n/a n/a n/a
Input
Predictive Text Entry Yes Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Stylus - - - - Yes
Text Keyboard, Hardware Yes - - - -
Touch Screen - - Yes
Capacitive
Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot Yes - Yes Yes Yes
Messaging
Email Client Yes - n/a n/a n/a
EMS / Picture Messaging - Yes n/a n/a n/a
Instant Messaging Yes - n/a n/a n/a
MMS Yes Yes n/a n/a n/a
Text Messaging Templates - Yes n/a n/a n/a
Music
FM Radio - - Yes - Yes
Headphone Jack (3.5mm) Yes - Yes Yes Yes
Music Player Yes - n/a n/a n/a
Photo & Video
DLNA - - Yes Yes Yes
Productivity
Alarm Yes Yes n/a n/a n/a
Calculator Yes Yes n/a n/a n/a
Calendar Yes Yes n/a n/a n/a
To-Do List - Yes n/a n/a n/a
Voice Memo Yes Yes n/a n/a n/a
Software
BREW Yes - n/a n/a n/a
Games Yes Yes n/a n/a n/a
Java (J2ME) - Yes n/a n/a n/a
Voice
HD Voice - - Yes - Yes
Headset Jack (2.5 mm) - Yes n/a n/a n/a
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung Freeform III / Comment Samsung SGH-X640 LG K40 / Harmony 3 Samsung ATIV SE LG Stylo 4
  X > < X > < X > < X > < X

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

 
Phone Samsung Freeform III / Comment Samsung SGH-X640 LG K40 / Harmony 3 Samsung ATIV SE LG Stylo 4

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