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Phone Samsung SGH-X640 Motorola W260g Samsung Galaxy Z Fold2 Kyocera 1155 Samsung VI-A820
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 1.6" diag.
1 : 1
7.6" diag.
4 : 3
? ?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
128 x 128 pixels
(~113 ppi)
LCD (STN)
1768 x 2208 pixels
(~372 ppi)
AMOLED
? 128 x 160 pixels
LCD (STN)
Display Refresh ? ? 60 Hz ? ?
Battery 800 mAh 940 mAh 4,500 mAh 975 mAh 1,000 mAh
Processor ? ? 3.1 GHz Qualcomm Snapdragon 865+ ? ?
RAM ? ? 12 GB ? ?
Storage ? raw hardware ? raw hardware 256 GB ? raw hardware ? raw hardware
Main Camera Yes - 12 megapixel - -
Wide Camera - - 12 megapixel - -
Tele Camera - - 12 megapixel - -
Video Capture - - 4K UHD - -
Front Camera - - 10 megapixel - -
Weight 3 oz
(85g)
3.17 oz
(90g)
9.95 oz
(282g)
4.34 oz
(123g)
3.14 oz
(89g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
3.74" x 1.77" x 0.67"
(95 x 45 x 17 mm)
6.27" x 2.68" x 0.66"
(159 x 68 x 16.8 mm)
4.72" x 1.89" x 0.95"
(120 x 48 x 24.1 mm)
3.56" x 1.88" x 1.06"
(90 x 48 x 26.9 mm)
Form Factor Clamshell Clamshell Foldable Slab Clamshell
Platform / OS (proprietary) (proprietary) Android (proprietary) (proprietary)
Network Bands

GSM: 900, 1800, 1900

GSM: 850, 1900

5G: 2, 5, 25, 41, 66, 71, 260, 261

4G LTE: 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 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

AMPS: 850

CDMA: 850, 1900

AMPS: 850

Data Technology GPRS - NR (5G) - 1xRTT
Features 
Barometer - - Yes - -
Fingerprint Reader - - Yes
stand-alone
- -
Flashlight - - Yes - -
GPS / Location - - n/a - Yes
Accessibility
Hearing Aid Compatible - Yes Yes - -
Multiple Languages Yes Yes * n/a Yes Yes
TTY/TDD (Digital) - Yes Yes - Yes
Alerts
Extra Display - - Yes - Yes
Connectivity
Bluetooth -
-
Yes
Classic Audio
-
-
NFC - - Yes - -
USB - - Yes
USB Type C
- -
UWB - - Yes - -
Wi-Fi - - Yes
6 (802.11 a,ac,ax,b,g,n)
- -
Contacts
Picture ID Yes - n/a - Yes
Ringer ID Yes - n/a - Yes
Voice Dialing - - n/a - Yes
Customization
Custom Graphics Yes - n/a - Yes
Custom Ringtones Yes - n/a - Yes
Data & Network
WAP / Web Browser Yes - n/a - Yes
Input
Predictive Text Entry Yes Yes n/a - Yes
Side Keys Yes - Yes - Yes
Touch Screen - - Yes - -
Messaging
EMS / Picture Messaging Yes Yes n/a - -
MMS Yes - n/a - -
Text Messaging Templates Yes Yes n/a Yes -
Music
Stereo Speakers - - Yes - -
Photo & Video
TV Output - - Yes - -
Power
Fast Charging - - Yes - -
Wireless Charging - - Yes - -
Productivity
Alarm Yes Yes n/a Yes Yes
Calculator Yes Yes n/a Yes Yes
Calendar Yes Yes n/a - Yes
To-Do List Yes - n/a - Yes
Voice Memo Yes - n/a - Yes
Software
Games Yes Yes n/a Yes Yes
Java (J2ME) Yes - n/a - Yes
Voice
HD Voice - - Yes - -
Headset Jack (2.5 mm) Yes Yes n/a Yes Yes
Push-To-Talk - - - - Yes
Speaker Phone Yes Yes Yes - Yes
  * Some versions only
  Samsung SGH-X640 Motorola W260g Samsung Galaxy Z Fold2 Kyocera 1155 Samsung VI-A820
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 Motorola W260g Samsung Galaxy Z Fold2 Kyocera 1155 Samsung VI-A820

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