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Phone Sharp Sidekick LX 2007 Samsung PM-A840 Asus ROG Phone II Kyocera 3225 ZTE Grand X
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Not yet released Released Released
Specifications 
Display Size 3" diag.
5 : 3
? 6.6" diag.
19.5 : 9
? 5" diag.
16 : 9
Display Resolution & Type 400 x 240 pixels
(~155 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (STN)
1080 x 2340 pixels
(~391 ppi)
AMOLED
?
LCD (Grayscale)
540 x 960 pixels
(~220 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 120 Hz ? 60 Hz
Battery 1,540 mAh ? 6,000 mAh ? 2,300 mAh
Processor 200 MHz OMAP 331 ? 3 GHz Qualcomm Snapdragon 855 Plus ? 1.2 GHz Qualcomm Snapdragon 200 MSM8210
RAM ? ? 12 GB ? 1 GB
Storage ? raw hardware ? raw hardware 512 GB ? raw hardware 4 GB
Main Camera 1 megapixel Yes 48 megapixel - 5 megapixel
Wide Camera - - 13 megapixel - -
Tele Camera - - - - -
Video Capture ? - 4K UHD - 720p HD
Front Camera - - 24 megapixel - 1 megapixel
Weight 5.7 oz
(162g)
3.28 oz
(93g)
8.47 oz
(240g)
4.23 oz
(120g)
6.06 oz
(172g)
Dimensions 5.12" x 2.36" x 0.7"
(130 x 60 x 17.9 mm)
3.54" x 1.85" x 0.94"
(90 x 47 x 23.9 mm)
6.73" x 3.06" x 0.37"
(171 x 78 x 9.5 mm)
3.4" x 1.97" x 1.02"
(86 x 50 x 25.9 mm)
5.7" x 2.87" x 0.37"
(145 x 73 x 9.4 mm)
Form Factor Swivel Clamshell Slab Slab Slab
Platform / OS (proprietary) (proprietary) Android (proprietary) Android
Network Bands

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

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

AMPS: 850

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

Data Technology EDGE 1xRTT LTE (Cat 20) 1xRTT HSPA+ 21
Features 
Fingerprint Reader - - Yes
in-display (optical)
- -
Flashlight Yes - Yes - -
GPS / Location - Yes n/a Yes n/a
Accessibility
Adjustable Text Size Yes - n/a - n/a
Hearing Aid Compatible Yes Yes Yes - Yes
Multiple Languages - Yes n/a Yes n/a
TTY/TDD (Digital) - Yes - Yes Yes
Alerts
Extra Display - Yes - - -
Ringer Profiles Yes - - - -
Connectivity
Bluetooth Yes - Yes - Yes
NFC - - Yes - -
USB Yes - Yes
USB Type C
- Yes
Micro-USB
Wi-Fi - - Yes
5 (802.11 a,ac,b,g,n)
- Yes
4 (802.11 b,g,n)
Contacts
Picture ID Yes Yes n/a - n/a
Ringer ID Yes Yes n/a - n/a
Voice Dialing - Yes n/a Yes n/a
Customization
Custom Graphics Yes Yes n/a Yes n/a
Custom Ringtones Yes Yes n/a Yes n/a
Real-Music Ringers Yes - n/a - n/a
Data & Network
Data Tethering - - n/a Yes n/a
Dual-SIM - - Yes - -
WAP / Web Browser Yes Yes n/a Yes n/a
Input
Predictive Text Entry - Yes n/a Yes n/a
Side Keys Yes Yes Yes - Yes
Text Keyboard, Hardware Yes - - - -
Touch Screen - - Yes - Yes
Memory
Memory Card Slot Yes - - - Yes
Messaging
Email Client Yes - n/a - n/a
EMS / Picture Messaging - - n/a Yes n/a
Instant Messaging Yes - n/a - n/a
MMS Yes - n/a - n/a
Text Messaging Templates Yes Yes n/a - n/a
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) Yes - Yes - Yes
Music Player Yes - n/a - n/a
Stereo Speakers - - Yes - -
Photo & Video
TV Output - - Yes - -
Power
Fast Charging - - Yes - -
Productivity
Alarm Yes * Yes n/a Yes n/a
Calculator - Yes n/a Yes n/a
Calendar Yes Yes n/a Yes n/a
To-Do List Yes Yes n/a - n/a
Voice Memo - Yes n/a - n/a
Software
BREW - - n/a Yes n/a
Games Yes Yes n/a Yes n/a
Java (J2ME) Yes Yes n/a - n/a
Voice
HD Voice - - - - Yes
Headset Jack (2.5 mm) - Yes n/a Yes n/a
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Sharp Sidekick LX 2007 Samsung PM-A840 Asus ROG Phone II Kyocera 3225 ZTE Grand X
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Sharp Sidekick LX 2007 Samsung PM-A840 Asus ROG Phone II Kyocera 3225 ZTE Grand X

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