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Phone BlackBerry 7750 Samsung SPH-Z400 Motorola Charm Samsung Galaxy S8 Motorola A920
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 1.9" diag.
4 : 3
2.8" diag.
4 : 3
5.8" diag.
18.5 : 9
?
Display Resolution & Type 240 x 240 pixels
LCD (Color)
176 x 220 pixels
(~150 ppi)
LCD (TFT/TFD)
320 x 240 pixels
(~143 ppi)
LCD (TFT/TFD)
1440 x 2960 pixels
(~568 ppi)
AMOLED
208 x 320 pixels
LCD (Color)
Display Refresh ? ? 60 Hz 60 Hz ?
Battery ? 1,300 mAh 1,170 mAh 3,000 mAh ?
Processor ? ? 720 MHz TI OMAP3410 2.4 GHz Qualcomm Snapdragon 835 (MSM8998) ?
RAM ? ? ? 4 GB ?
Storage ? raw hardware ? raw hardware ? raw hardware 64 GB ? raw hardware
Main Camera - 1 megapixel 3 megapixel 12 megapixel Yes
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - QCIF (176 x 144) ? 4K UHD ?
Front Camera - - - 8 megapixel -
Weight 5.01 oz
(142g)
4.06 oz
(115g)
3.88 oz
(110g)
5.47 oz
(155g)
7.48 oz
(212g)
Dimensions 4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
3.73" x 1.91" x 1"
(95 x 49 x 25.4 mm)
3.87" x 2.65" x 0.45"
(98 x 67 x 11.4 mm)
5.86" x 2.68" x 0.31"
(149 x 68 x 8 mm)
5.83" x 2.36" x 0.94"
(148 x 60 x 23.9 mm)
Form Factor Slab Clamshell Slab Slab Slab
Platform / OS BlackBerry OS (proprietary) Android Android UIQ (Symbian)
Network Bands

CDMA: 850, 1900

CDMA: 850, 1900

WCDMA: 4

GSM: 850, 900, 1800, 1900

*

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 40, 41, 66

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

WCDMA: 1

GSM: 900, 1800, 1900

Data Technology 1xRTT EVDO rA HSDPA 3.6 LTE (Cat 16) GPRS
Features 
Fingerprint Reader - - - Yes
stand-alone
-
Flashlight - - - Yes -
GPS / Location n/a Yes n/a n/a n/a
Ruggedized - Yes - - -
VR-ready - - - Yes -
Water-Resistant - - - Yes
IPX8 (SCUBA)
-
Accessibility
Adjustable Text Size n/a Yes n/a n/a n/a
Hearing Aid Compatible - Yes
M4 (very compatible)
- Yes
M4, T3 (mostly tele-coil compatible)
-
Multiple Languages n/a Yes n/a n/a n/a
TTY/TDD (Digital) Yes 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
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 Yes n/a n/a n/a
Ringer ID n/a Yes n/a n/a n/a
Voice Dialing n/a Yes n/a n/a n/a
Customization
Custom Graphics n/a Yes n/a n/a n/a
Custom Ringtones n/a Yes n/a n/a n/a
Real-Music Ringers n/a Yes n/a n/a n/a
Data & Network
Data Tethering n/a Yes n/a n/a n/a
WAP / Web Browser n/a Yes n/a n/a n/a
Input
Predictive Text Entry n/a Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Stylus - - - - Yes
Text Keyboard, Hardware Yes - Yes - -
Touch Screen - - Yes
Capacitive
Yes
Capacitive
Yes
Memory
Memory Card Slot - - Yes Yes Yes
Messaging
Email Client n/a Yes n/a n/a n/a
Instant Messaging n/a - n/a n/a n/a
MMS n/a - n/a n/a n/a
Text Messaging Templates n/a Yes n/a n/a n/a
Music
Headphone Jack (3.5mm) - - Yes Yes -
Music Player n/a - n/a n/a n/a
Stereo Speakers - Yes - - -
Photo & Video
Video Calling n/a - n/a n/a n/a
Power
Fast Charging - - - Yes -
Wireless Charging - - - Yes -
Productivity
Alarm n/a Yes n/a n/a n/a
Calculator n/a Yes n/a n/a n/a
Calendar n/a Yes n/a n/a n/a
To-Do List n/a - n/a n/a n/a
Voice Memo n/a Yes n/a n/a n/a
Software
Games n/a Yes n/a n/a n/a
Java (J2ME) n/a Yes n/a n/a n/a
Voice
HD Voice - - - Yes -
Headset Jack (2.5 mm) n/a Yes n/a n/a n/a
Push-To-Talk - Yes - - -
Speaker Phone - Yes Yes Yes Yes
  BlackBerry 7750 Samsung SPH-Z400 Motorola Charm Samsung Galaxy S8 Motorola A920
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone BlackBerry 7750 Samsung SPH-Z400 Motorola Charm Samsung Galaxy S8 Motorola A920

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