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Phone Samsung SGH-X640 Pantech Swift Sony Ericsson K850 Samsung Galaxy S10e Samsung Galaxy XCover Pro
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 2.8" diag.
4 : 3
2.2" diag.
4 : 3
5.8" diag.
19 : 9
6.3" diag.
19.5 : 9
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~143 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
1080 x 2280 pixels
(~435 ppi)
AMOLED
1080 x 2340 pixels
(~409 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz 60 Hz
Battery 800 mAh 1,000 mAh ? 3,100 mAh 4,050 mAh
Processor ? Qualcomm QSX6270 ? 2.8 GHz Qualcomm Snapdragon 855 2 GHz Samsung Exynos 9611
RAM ? ? ? 6 GB * 4 GB
Storage ? raw hardware ? raw hardware ? raw hardware 128 GB * 64 GB
Main Camera Yes 2 megapixel 5 megapixel 12 megapixel 25 megapixel
Wide Camera - - - 16 megapixel 8 megapixel
Tele Camera - - - - -
Video Capture - QVGA (320 x 240) ? 4K UHD 1080p HD
Front Camera - - - 10 megapixel 13 megapixel
Weight 3 oz
(85g)
6.26 oz
(177g)
4.2 oz
(119g)
5.29 oz
(150g)
7.69 oz
(218g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
4.29" x 2.22" x 0.58"
(109 x 56 x 14.7 mm)
4" x 1.9" x 0.7"
(102 x 48 x 17.8 mm)
5.6" x 2.75" x 0.31"
(142 x 70 x 7.9 mm)
6.3" x 3.02" x 0.39"
(160 x 77 x 9.9 mm)
Form Factor Clamshell Slide Slab Slab Slab
Platform / OS (proprietary) (proprietary) (proprietary) Android Android
Network Bands

GSM: 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

WCDMA: 1, 2, 5

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

4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 20, 28, 29, 38, 40, 41, 48, 66

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology GPRS HSDPA 3.6 HSDPA 3.6 LTE (Cat 20) LTE (Cat 11)
Features 
Barometer - - - Yes -
Fingerprint Reader - - - Yes
stand-alone
Yes
stand-alone
Flashlight - - - Yes Yes
GPS / Location - Yes - n/a n/a
Ruggedized - - - - Yes
VR-ready - - - Yes -
Water-Resistant - - - Yes
IPX8 (SCUBA)
Yes
IPX8 (SCUBA)
Accessibility
Hearing Aid Compatible - Yes - Yes Yes
Multiple Languages Yes Yes Yes n/a n/a
TTY/TDD (Digital) - Yes Yes Yes Yes
Alerts
Ringer Profiles - Yes Yes - -
Connectivity
Bluetooth - Yes Yes Yes Yes
MirrorLink - - - Yes -
NFC - - - Yes Yes
USB - Yes Yes Yes
USB Type C
Yes
USB Type C
Wi-Fi - - - Yes
6 (802.11 a,ac,ax,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes Yes Yes n/a n/a
Ringer ID Yes Yes Yes n/a n/a
Voice Dialing - - Yes n/a n/a
Customization
Custom Graphics Yes Yes Yes n/a n/a
Custom Ringtones Yes Yes Yes n/a n/a
Real-Music Ringers - Yes Yes n/a n/a
Data & Network
Data Tethering - Yes Yes n/a n/a
Dual-SIM - - - Yes * Yes *
WAP / Web Browser Yes Yes Yes n/a n/a
Input
Predictive Text Entry Yes Yes Yes n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - - -
Touch Screen - Yes - Yes Yes
Memory
Memory Card Slot - Yes Yes Yes Yes
Messaging
Email Client - Yes Yes n/a n/a
EMS / Picture Messaging Yes - - n/a n/a
Instant Messaging - Yes - n/a n/a
MMS Yes Yes Yes n/a n/a
Text Messaging Templates Yes Yes Yes n/a n/a
Music
FM Radio - - Yes Yes -
Headphone Jack (3.5mm) - Yes - Yes Yes
Music Player - Yes Yes n/a n/a
Stereo Speakers - - - Yes -
Photo & Video
Miracast - - - Yes -
TV Output - - - Yes -
Video Calling - - Yes * n/a n/a
Power
Fast Charging - - - Yes Yes
Wireless Charging - - - Yes -
Productivity
Alarm Yes Yes Yes n/a n/a
Calculator Yes Yes Yes n/a n/a
Calendar Yes Yes Yes n/a n/a
To-Do List Yes Yes Yes n/a n/a
Voice Memo Yes Yes Yes n/a n/a
Software
BREW - Yes - n/a n/a
Games Yes Yes Yes n/a n/a
Java (J2ME) Yes - Yes n/a n/a
Voice
HD Voice - - - Yes Yes
Headset Jack (2.5 mm) Yes - - n/a n/a
Push-To-Talk - - - - Yes
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SGH-X640 Pantech Swift Sony Ericsson K850 Samsung Galaxy S10e Samsung Galaxy XCover Pro
  X > < X > < X > < X > < X

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

 
Phone Samsung SGH-X640 Pantech Swift Sony Ericsson K850 Samsung Galaxy S10e Samsung Galaxy XCover Pro

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