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Phone Samsung SGH-X640 Sonim XP5plus Kyocera DuraForce Ultra 5G Pantech Duo C810 LG G Flex2 (GSM)
Current U.S. Carriers (none) AT&T Verizon (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 2.8" diag.
4 : 3
5.5" diag.
18 : 9
2.2" diag.
4 : 3
5.5" diag.
16 : 9
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~143 ppi)
LCD (TFT/TFD)
1080 x 2160 pixels
(~443 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
1080 x 1920 pixels
(~401 ppi)
AMOLED
Display Refresh ? 60 Hz 60 Hz ? 60 Hz
Battery 800 mAh 3,500 mAh 4,500 mAh 1,320 mAh 3,000 mAh
Processor ? 2 GHz Snapdragon 662 2.4 GHz Qualcomm Snapdragon 765G ARM 920t PXA27x Qualcomm Snapdragon 810
RAM ? 2 GB 6 GB ? 3 GB *
Storage ? raw hardware 16 GB 128 GB ? raw hardware 32 GB *
Main Camera Yes 8 megapixel 23 megapixel 1 megapixel 13 megapixel
Wide Camera - - 16 megapixel - -
Tele Camera - - - - -
Video Capture - 1080p HD 4K UHD QVGA (320 x 240) 4K UHD
Front Camera - - 8 megapixel - 2 megapixel
Weight 3 oz
(85g)
9.7 oz
(275g)
9.81 oz
(278g)
3.88 oz
(110g)
5.36 oz
(152g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
5.85" x 2.59" x 0.83"
(149 x 66 x 21 mm)
6.5" x 2.95" x 0.63"
(165 x 75 x 16 mm)
4.01" x 1.97" x 0.78"
(102 x 50 x 19.8 mm)
5.87" x 2.96" x 0.35"
(149 x 75 x 8.9 mm)
Form Factor Clamshell Slab Slab Slide Slab
Platform / OS (proprietary) (proprietary) Android Windows Mobile Standard Android
Network Bands

GSM: 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 25, 26, 29, 30, 39, 40, 41, 66, 71

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

5G: 2, 5, 66, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 48, 66

WCDMA: 1, 2, 5, 8

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 12, 17, 29

WCDMA: 1, 2, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology GPRS LTE (Cat 13) NR (5G) HSDPA 1.8 LTE (Cat 4)
Features 
Barometer - Yes Yes - -
Fingerprint Reader - - Yes
stand-alone
- -
Flashlight - Yes Yes - -
GPS / Location - Yes n/a n/a n/a
Ruggedized - Yes Yes - -
Water-Resistant - Yes
IPX9 (dishwasher)
Yes
IPX8 (SCUBA)
- -
Accessibility
Adjustable Text Size - Yes n/a n/a n/a
Hearing Aid Compatible - Yes Yes - Yes
Multiple Languages Yes Yes n/a n/a n/a
TTY/TDD (Digital) - Yes Yes - Yes
Alerts
Ringer Profiles - - - Yes -
Connectivity
Bluetooth -
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - - - Yes
Mobile Hotspot - Yes n/a n/a n/a
NFC - - Yes - Yes
USB - Yes
USB Type C
Yes
USB Type C
Yes Yes
Micro-USB
UWB - - Yes - -
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 - Yes n/a n/a n/a
Dual-SIM - Yes - - -
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
Text Keyboard, Hardware - - - Yes -
Touch Screen - - Yes - Yes
Memory
Memory Card Slot - Yes Yes Yes Yes
Messaging
Email Client - - n/a n/a n/a
EMS / Picture Messaging Yes - n/a n/a n/a
Instant Messaging - - n/a n/a n/a
MMS Yes Yes n/a n/a n/a
Text Messaging Templates Yes Yes n/a n/a n/a
Music
FM Radio - Yes - - -
Headphone Jack (3.5mm) - - Yes - Yes
Music Player - Yes n/a n/a n/a
Photo & Video
DLNA - - - - Yes
Miracast - - - - Yes
TV Output - - - - Yes
Power
Fast Charging - - Yes - Yes
Wireless Charging - - 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
Games Yes - n/a n/a n/a
Java (J2ME) Yes - n/a n/a n/a
Voice
HD Voice - Yes Yes - Yes
Headset Jack (2.5 mm) Yes - n/a n/a n/a
Push-To-Talk - Yes Yes - -
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SGH-X640 Sonim XP5plus Kyocera DuraForce Ultra 5G Pantech Duo C810 LG G Flex2 (GSM)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 Sonim XP5plus Kyocera DuraForce Ultra 5G Pantech Duo C810 LG G Flex2 (GSM)

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