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Phone Siemens SL55 Samsung Galaxy S6 (GSM) Huawei W1 ZTE Obsidian Motorola i80s
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 5.1" diag.
16 : 9
4" diag.
5 : 3
4.5" diag.
16 : 9
?
Display Resolution & Type 101 x 80 pixels
LCD (STN)
1440 x 2560 pixels
(~576 ppi)
AMOLED
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
?
Display Refresh ? 60 Hz ? 60 Hz ?
Battery 500 mAh 2,550 mAh 1,950 mAh 1,800 mAh ?
Processor ? 2.1 GHz Samsung Exynos 7420 1.2 GHz Qualcomm Snapdragon 400 MSM8230 1 GHz MediaTek / MT6735M ?
RAM ? 3 GB 512 MB 1 GB ?
Storage ? raw hardware 32 GB * 4 GB 8 GB ? raw hardware
Main Camera - 16 megapixel 5 megapixel 5 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - 4K UHD 720p HD 720p HD -
Front Camera - 5 megapixel Yes 2 megapixel -
Weight 2.79 oz
(79g)
4.87 oz
(138g)
4.41 oz
(125g)
4.66 oz
(132g)
4 oz
(113g)
Dimensions 3.21" x 1.75" x 0.86"
(82 x 44 x 21.8 mm)
5.65" x 2.78" x 0.27"
(143 x 71 x 6.8 mm)
4.84" x 2.5" x 0.41"
(123 x 64 x 10.4 mm)
5.41" x 2.7" x 0.39"
(137 x 69 x 10 mm)
5.4" x 2" x 1"
(137 x 51 x 25.4 mm)
Form Factor Slide Slab Slab Slab Slab
Platform / OS (proprietary) Android Windows Android (proprietary)
Network Bands

GSM: 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 29, 30

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

iDEN: 800

Data Technology GPRS LTE (Cat 6) HSPA+ 21 LTE (Cat 4) -
Features 
Fingerprint Reader - Yes - - -
Flashlight - Yes - Yes -
GPS / Location - n/a n/a n/a -
VR-ready - Yes - - -
Accessibility
Adjustable Text Size - n/a n/a n/a -
Hearing Aid Compatible - Yes Yes Yes -
Multiple Languages Yes n/a n/a n/a Yes
TTY/TDD (Digital) - Yes - Yes Yes
Alerts
Ringer Profiles Yes - - - Yes
Connectivity
Bluetooth - Yes Yes Yes -
Infrared (IR) Yes Yes - - -
MirrorLink - Yes - - -
Mobile Hotspot - n/a n/a n/a -
NFC - Yes - - -
USB - Yes
Micro-USB
Yes
Micro-USB
Yes
Micro-USB
-
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID Yes n/a n/a n/a -
Ringer ID Yes n/a n/a n/a -
Voice Dialing Yes n/a n/a n/a Yes
Customization
Custom Graphics Yes n/a n/a n/a -
Custom Ringtones Yes n/a n/a n/a -
Real-Music Ringers - n/a n/a n/a -
Data & Network
Data Tethering Yes n/a n/a n/a Yes
WAP / Web Browser Yes n/a n/a n/a Yes
Input
Predictive Text Entry Yes n/a n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen - Yes Yes Yes -
Memory
Memory Card Slot - - Yes Yes -
Messaging
Email Client Yes 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 n/a n/a n/a -
Text Messaging Templates Yes n/a n/a n/a -
Music
Headphone Jack (3.5mm) - Yes Yes Yes -
Music Player - n/a n/a n/a -
Photo & Video
DLNA - Yes - - -
Miracast - Yes - - -
TV Output - Yes - - -
Power
Fast Charging - Yes - - -
Wireless Charging - Yes - - -
Productivity
Alarm Yes n/a n/a n/a Yes
Calculator Yes n/a n/a n/a Yes
Calendar Yes n/a n/a n/a Yes
To-Do List Yes n/a n/a n/a -
Voice Memo Yes n/a n/a n/a Yes
Software
Games Yes n/a n/a n/a Yes
Java (J2ME) Yes n/a n/a n/a Yes
Voice
HD Voice - Yes - - -
Headset Jack (2.5 mm) - n/a n/a n/a Yes
Push-To-Talk - - - - Yes
Speaker Phone Yes Yes Yes Yes Yes
  Siemens SL55 Samsung Galaxy S6 (GSM) Huawei W1 ZTE Obsidian Motorola i80s
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Siemens SL55 Samsung Galaxy S6 (GSM) Huawei W1 ZTE Obsidian Motorola i80s

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