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Phone BlackBerry 7750 BlackBerry Pearl 3G 9100 / 9105 Asus ROG Phone II Casio Exilim C721 Motorola i90c
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Not yet released Released Released
Specifications 
Display Size ? 2.3" diag.
1 : 1
6.6" diag.
19.5 : 9
2.3" diag.
4 : 3
?
Display Resolution & Type 240 x 240 pixels
LCD (Color)
360 x 400 pixels
(~238 ppi)
LCD (TFT/TFD)
1080 x 2340 pixels
(~391 ppi)
AMOLED
240 x 320 pixels
(~174 ppi)
LCD (TFT/TFD)
?
LCD (Grayscale)
Display Refresh ? ? 120 Hz ? ?
Battery ? 1,150 mAh 6,000 mAh 920 mAh ?
Processor ? ? 3 GHz Qualcomm Snapdragon 855 Plus ? ?
RAM ? ? 12 GB ? ?
Storage ? raw hardware ? raw hardware 512 GB ? raw hardware ? raw hardware
Main Camera - 3 megapixel 48 megapixel 5 megapixel -
Wide Camera - - 13 megapixel - -
Tele Camera - - - - -
Video Capture - ? 4K UHD QVGA (320 x 240) -
Front Camera - - 24 megapixel - -
Weight 5.01 oz
(142g)
3.3 oz
(94g)
8.47 oz
(240g)
4.48 oz
(127g)
5.33 oz
(151g)
Dimensions 4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
4.25" x 1.96" x 0.52"
(108 x 50 x 13.2 mm)
6.73" x 3.06" x 0.37"
(171 x 78 x 9.5 mm)
4.06" x 1.97" x 0.78"
(103 x 50 x 19.9 mm)
3.5" x 2" x 1.1"
(89 x 51 x 27.9 mm)
Form Factor Slab Slab Slab Clamshell Clamshell
Platform / OS BlackBerry OS BlackBerry OS Android (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

WCDMA: 1, 2, 5

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

iDEN: 800

Data Technology 1xRTT HSDPA 3.6 LTE (Cat 20) EVDO rA -
Features 
Fingerprint Reader - - Yes
in-display (optical)
- -
Flashlight - - Yes Yes -
GPS / Location n/a n/a n/a Yes -
Ruggedized - - - Yes -
Water-Resistant - - - Yes -
Accessibility
Adjustable Text Size n/a n/a n/a Yes -
Hearing Aid Compatible - Yes Yes Yes -
Multiple Languages n/a n/a n/a Yes Yes
TTY/TDD (Digital) Yes - - Yes Yes
Alerts
Extra Display - - - Yes Yes
Ringer Profiles Yes Yes - - Yes
Connectivity
Bluetooth - Yes Yes Yes -
NFC - - Yes - -
USB Yes Yes
Micro-USB
Yes
USB Type C
Yes -
Wi-Fi - Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
- -
Contacts
Picture ID n/a n/a n/a Yes -
Ringer ID n/a n/a n/a Yes -
Voice Dialing n/a n/a n/a Yes Yes
Customization
Custom Graphics n/a n/a n/a Yes -
Custom Ringtones n/a n/a n/a Yes -
Real-Music Ringers n/a n/a n/a Yes -
Data & Network
Data Tethering n/a n/a n/a Yes Yes
Dual-SIM - - Yes - -
WAP / Web Browser n/a n/a n/a Yes Yes
Input
Predictive Text Entry n/a n/a n/a Yes Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes Yes * - - -
Touch Screen - - Yes - -
Memory
Memory Card Slot - Yes - Yes -
Messaging
Email Client n/a n/a n/a - -
EMS / Picture Messaging n/a n/a n/a Yes -
Instant Messaging n/a n/a n/a Yes -
MMS n/a n/a n/a Yes -
Text Messaging Templates n/a n/a n/a Yes -
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) - Yes Yes - -
Music Player n/a n/a n/a Yes -
Stereo Speakers - - Yes - -
Photo & Video
TV Output - - Yes - -
Power
Fast Charging - - Yes - -
Productivity
Alarm n/a n/a n/a Yes Yes
Calculator n/a n/a n/a Yes Yes
Calendar n/a n/a n/a Yes Yes
To-Do List n/a n/a n/a Yes -
Voice Memo n/a n/a n/a Yes Yes
Software
BREW n/a n/a n/a Yes -
Games n/a n/a n/a Yes Yes
Java (J2ME) n/a n/a n/a - Yes
Voice
Headset Jack (2.5 mm) n/a n/a n/a - Yes
Push-To-Talk - - - - Yes
Speaker Phone - Yes Yes Yes Yes
  * Some versions only
  BlackBerry 7750 BlackBerry Pearl 3G 9100 / 9105 Asus ROG Phone II Casio Exilim C721 Motorola i90c
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone BlackBerry 7750 BlackBerry Pearl 3G 9100 / 9105 Asus ROG Phone II Casio Exilim C721 Motorola i90c

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