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Phone BlackBerry 7750 LG AX-4270 / VX-4270 LG Spectrum Motorola Moto X4 Samsung SGH-X640
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 4.5" diag.
16 : 9
5.2" diag.
16 : 9
?
Display Resolution & Type 240 x 240 pixels
LCD (Color)
128 x 128 pixels
LCD (STN)
720 x 1280 pixels
(~326 ppi)
LCD (TFT/TFD)
1080 x 1920 pixels
(~424 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz 60 Hz ?
Battery ? ? 1,830 mAh 3,000 mAh 800 mAh
Processor ? ? 1.5 GHz Qualcomm Snapdragon S3 2.2 GHz Qualcomm Snapdragon 630 ?
RAM ? ? 1 GB 3 GB ?
Storage ? raw hardware ? raw hardware 4 GB 32 GB ? raw hardware
Main Camera - - 8 megapixel 12 megapixel Yes
Wide Camera - - - 8 megapixel -
Tele Camera - - - - -
Video Capture - - 1080p HD 4K UHD -
Front Camera - - 1 megapixel 16 megapixel -
Weight 5.01 oz
(142g)
3.21 oz
(91g)
4.99 oz
(141g)
5.75 oz
(163g)
3 oz
(85g)
Dimensions 4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
3.27" x 1.76" x 0.91"
(83 x 45 x 23.1 mm)
5.33" x 2.71" x 0.42"
(135 x 69 x 10.7 mm)
5.84" x 2.89" x 0.31"
(148 x 73 x 8 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
Form Factor Slab Clamshell Slab Slab Clamshell
Platform / OS BlackBerry OS (proprietary) Android Android (proprietary)
Network Bands

CDMA: 850, 1900

CDMA: 850, 1900

AMPS: 850

4G LTE: 13

CDMA: 850, 1900

GSM: 850, 1900

*

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

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

Data Technology 1xRTT 1xRTT LTE (Cat 3) LTE (Cat 11) GPRS
Features 
Fingerprint Reader - - - Yes
stand-alone
-
Flashlight - - - Yes -
GPS / Location n/a Yes n/a n/a -
Water-Resistant - - - Yes
IPX8 (SCUBA)
-
Accessibility
Hearing Aid Compatible - - Yes
M3 (mostly compatible)
Yes
M4, T3 (mostly tele-coil compatible)
-
Multiple Languages n/a Yes n/a n/a Yes
TTY/TDD (Digital) Yes Yes Yes Yes -
Alerts
Extra Display - Yes - - -
Ringer Profiles Yes - - - -
Connectivity
Bluetooth - - Yes Yes -
Mobile Hotspot n/a - n/a n/a -
NFC - - - Yes -
USB Yes - Yes
Micro-USB
Yes
USB Type C
-
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 Yes
Ringer ID n/a Yes n/a n/a Yes
Voice Dialing n/a Yes n/a n/a -
Customization
Custom Graphics n/a Yes n/a n/a Yes
Custom Ringtones n/a Yes n/a n/a Yes
Real-Music Ringers n/a - n/a n/a -
Data & Network
Data Tethering n/a Yes n/a n/a -
WAP / Web Browser n/a Yes n/a n/a Yes
Input
Predictive Text Entry n/a Yes n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - - -
Touch Screen - - Yes
Capacitive
Yes
Capacitive
-
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 -
MMS n/a Yes n/a n/a Yes
Text Messaging Templates n/a Yes n/a n/a Yes
Music
Headphone Jack (3.5mm) - - Yes Yes -
Music Player n/a - n/a n/a -
Photo & Video
DLNA - - Yes - -
TV Output - - Yes - -
Power
Fast Charging - - - Yes -
Productivity
Alarm n/a Yes n/a n/a Yes
Calculator n/a Yes n/a n/a Yes
Calendar n/a Yes n/a n/a Yes
To-Do List n/a - n/a n/a Yes
Voice Memo n/a Yes n/a n/a Yes
Software
BREW n/a Yes n/a n/a -
Games n/a Yes n/a n/a Yes
Java (J2ME) n/a - n/a n/a Yes
Voice
HD Voice - - - Yes -
Headset Jack (2.5 mm) n/a Yes n/a n/a Yes
Speaker Phone - Yes Yes Yes Yes
  BlackBerry 7750 LG AX-4270 / VX-4270 LG Spectrum Motorola Moto X4 Samsung SGH-X640
  X > < X > < X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone BlackBerry 7750 LG AX-4270 / VX-4270 LG Spectrum Motorola Moto X4 Samsung SGH-X640

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