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Phone Siemens SL55 Sharp Sidekick LX 2009 Asus Smartphone for Snapdragon Insiders Asus ROG Phone II BlackBerry 7750
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Not yet released Not yet released Released
Specifications 
Display Size ? 3.2" diag.
16 : 9
6.8" diag.
20.5 : 9
6.6" diag.
19.5 : 9
?
Display Resolution & Type 101 x 80 pixels
LCD (STN)
854 x 480 pixels
(~306 ppi)
LCD (TFT/TFD)
1080 x 2448 pixels
(~395 ppi)
AMOLED
1080 x 2340 pixels
(~391 ppi)
AMOLED
240 x 240 pixels
LCD (Color)
Display Refresh ? ? 144 Hz 120 Hz ?
Battery 500 mAh 1,250 mAh 4,000 mAh 6,000 mAh ?
Processor ? ? 2.8 GHz Qualcomm Snapdragon 888 3 GHz Qualcomm Snapdragon 855 Plus ?
RAM ? ? 16 GB 12 GB ?
Storage ? raw hardware ? raw hardware 512 GB 512 GB ? raw hardware
Main Camera - 3 megapixel 64 megapixel 48 megapixel -
Wide Camera - - 12 megapixel 13 megapixel -
Tele Camera - - 8 megapixel - -
Video Capture - QVGA (320 x 240) 8K 4K UHD -
Front Camera - - 24 megapixel 24 megapixel -
Weight 2.79 oz
(79g)
5.78 oz
(164g)
7.41 oz
(210g)
8.47 oz
(240g)
5.01 oz
(142g)
Dimensions 3.21" x 1.75" x 0.86"
(82 x 44 x 21.8 mm)
5.12" x 2.36" x 0.63"
(130 x 60 x 16 mm)
6.82" x 3.04" x 0.38"
(173 x 77 x 9.6 mm)
6.73" x 3.06" x 0.37"
(171 x 78 x 9.5 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
Form Factor Slide Swivel Slab Slab Slab
Platform / OS (proprietary) (proprietary) Android Android BlackBerry OS
Network Bands

GSM: 900, 1800, 1900

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

5G: 1, 2, 3, 5, 7, 8, 12, 13, 14, 18, 20, 25, 26, 28, 30, 38, 40, 41, 46, 48, 66, 71, 77-C, 78, 257, 258, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 46, 48, 66, 71

WCDMA: 1, 2, 3, 4, 5, 8, 19

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 26, 28, 29, 32, 34, 38, 39, 40, 41, 46, 66

WCDMA: 1, 2, 3, 4, 5, 8, 19

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology GPRS HSPA 7.2 NR (5G) LTE (Cat 20) 1xRTT
Features 
Fingerprint Reader - - Yes
stand-alone
Yes
in-display (optical)
-
Flashlight - - Yes Yes -
GPS / Location - Yes n/a n/a n/a
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
Alerts
Ringer Profiles Yes Yes - - Yes
Connectivity
Bluetooth -
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
-
Infrared (IR) Yes - - - -
NFC - - Yes Yes -
USB - Yes Yes
USB Type C
Yes
USB Type C
Yes
Wi-Fi - - Yes
6E (802.11 a,ac,ax,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 Yes -
WAP / Web Browser Yes Yes n/a n/a n/a
Input
Predictive Text Entry Yes - n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - - Yes
Touch Screen - - Yes Yes -
Memory
Memory Card Slot - Yes - - -
Messaging
Email Client Yes Yes n/a n/a n/a
EMS / Picture Messaging Yes - n/a n/a n/a
Instant Messaging - Yes 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
Stereo Speakers - - Yes Yes -
Photo & Video
TV Output - - - Yes -
Power
Fast Charging - - Yes Yes -
Productivity
Alarm Yes Yes n/a n/a n/a
Calculator Yes - n/a n/a n/a
Calendar Yes Yes n/a n/a n/a
To-Do List Yes Yes n/a n/a n/a
Voice Memo Yes - n/a n/a n/a
Software
Games Yes Yes n/a n/a n/a
Java (J2ME) Yes Yes n/a n/a n/a
Voice
HD Voice - - Yes - -
Headset Jack (2.5 mm) - - n/a n/a n/a
Speaker Phone Yes Yes Yes Yes -
  Siemens SL55 Sharp Sidekick LX 2009 Asus Smartphone for Snapdragon Insiders Asus ROG Phone II BlackBerry 7750
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Siemens SL55 Sharp Sidekick LX 2009 Asus Smartphone for Snapdragon Insiders Asus ROG Phone II BlackBerry 7750

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