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Phone Samsung SGH-A657 Motorola W755 LG G8 ThinQ Samsung SGH-X640 Siemens SL55
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 1.9" diag.
4 : 3
6.1" diag.
19.5 : 9
? ?
Display Resolution & Type 176 x 220 pixels
LCD (TFT/TFD)
176 x 220 pixels
(~148 ppi)
LCD (TFT/TFD)
1440 x 3120 pixels
(~563 ppi)
AMOLED
128 x 160 pixels
LCD (TFT/TFD)
101 x 80 pixels
LCD (STN)
Display Refresh ? ? 60 Hz ? ?
Battery 1,420 mAh 950 mAh 3,500 mAh 800 mAh 500 mAh
Processor ? ? 2.8 GHz Qualcomm Snapdragon 855 ? ?
RAM ? ? 6 GB ? ?
Storage ? raw hardware ? raw hardware 128 GB ? raw hardware ? raw hardware
Main Camera - 1 megapixel 12 megapixel Yes -
Wide Camera - - 16 megapixel - -
Tele Camera - - - - -
Video Capture - ? 4K UHD - -
Front Camera - - 8 megapixel - -
Weight 4.34 oz
(123g)
3.6 oz
(102g)
5.96 oz
(169g)
3 oz
(85g)
2.79 oz
(79g)
Dimensions 4.53" x 2.05" x 0.77"
(115 x 52 x 19.6 mm)
3.9" x 1.9" x 0.68"
(99 x 48 x 17.3 mm)
5.98" x 2.83" x 0.33"
(152 x 72 x 8.4 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
3.21" x 1.75" x 0.86"
(82 x 44 x 21.8 mm)
Form Factor Slab Clamshell Slab Clamshell Slide
Platform / OS (proprietary) (proprietary) Android (proprietary) (proprietary)
Network Bands

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

4G LTE: 2, 4, 5, 7, 12, 13, 14, 17, 25, 26, 29, 30, 41, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

GSM: 900, 1800, 1900

GSM: 900, 1800, 1900

Data Technology HSDPA 3.6 EVDO r0 LTE (Cat 20) GPRS GPRS
Features 
Barometer - - Yes - -
Fingerprint Reader - - Yes
stand-alone
- -
Flashlight Yes - Yes - -
GPS / Location Yes Yes n/a - -
Ruggedized Yes - - - -
Water-Resistant - - Yes
IPX8 (SCUBA)
- -
Accessibility
Hearing Aid Compatible - Yes
M4, T4 (very tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
- -
Multiple Languages Yes Yes n/a Yes Yes
TTY/TDD (Digital) Yes Yes Yes - -
Alerts
Extra Display - Yes - - -
Ringer Profiles - - - - Yes
Connectivity
Bluetooth Yes Yes Yes - -
Infrared (IR) - - - - Yes
MirrorLink - - Yes - -
NFC - - Yes - -
USB Yes Yes Yes
USB Type C
- -
Wi-Fi - - Yes
5 (802.11 a,ac,b,g,n)
- -
Contacts
Picture ID Yes Yes n/a Yes Yes
Ringer ID Yes Yes n/a Yes Yes
Voice Dialing - Yes n/a - Yes
Customization
Custom Graphics Yes Yes n/a Yes Yes
Custom Ringtones Yes Yes n/a Yes Yes
Real-Music Ringers Yes Yes n/a - -
Data & Network
Data Tethering Yes Yes n/a - Yes
External Antenna Jack - Yes n/a - -
WAP / Web Browser Yes Yes n/a Yes Yes
Input
Predictive Text Entry Yes Yes n/a Yes Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen - - Yes
Capacitive
- -
Memory
Memory Card Slot Yes Yes Yes - -
Messaging
Email Client Yes - n/a - Yes
EMS / Picture Messaging - Yes n/a Yes Yes
Instant Messaging Yes Yes n/a - -
MMS Yes Yes n/a Yes Yes
Text Messaging Templates Yes Yes n/a Yes Yes
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) - - Yes - -
Music Player Yes Yes n/a - -
Stereo Speakers - - Yes - -
Photo & Video
DLNA - - Yes - -
Miracast - - 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 Yes
To-Do List Yes - n/a Yes Yes
Voice Memo Yes Yes n/a Yes Yes
Software
BREW - Yes n/a - -
Games Yes Yes n/a Yes Yes
Java (J2ME) Yes - n/a Yes Yes
Voice
HD Voice - - Yes - -
Headset Jack (2.5 mm) - Yes n/a Yes -
Push-To-Talk Yes - - - -
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SGH-A657 Motorola W755 LG G8 ThinQ Samsung SGH-X640 Siemens SL55
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-A657 Motorola W755 LG G8 ThinQ Samsung SGH-X640 Siemens SL55

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