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Phone LG PM-225 Samsung Nexus S 4G BlackBerry 7750 Cal-Comp EZ
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? 4" diag.
5 : 3
? ?
Display Resolution & Type 128 x 160 pixels
LCD (STN)
480 x 800 pixels
(~233 ppi)
AMOLED
240 x 240 pixels
LCD (Color)
128 x 128 pixels
LCD (STN)
Display Refresh ? 60 Hz ? ?
Battery 1,000 mAh 1,500 mAh ? 800 mAh
Processor ? 1 GHz Samsung Hummingbird Cortex A8 ? ?
RAM ? ? ? ?
Storage ? raw hardware 16 GB ? raw hardware ? raw hardware
Main Camera Yes 5 megapixel - -
Wide Camera - - - -
Tele Camera - - - -
Video Capture - WVGA / 480p - -
Front Camera - Yes - -
Weight 3.35 oz
(95g)
4.62 oz
(131g)
5.01 oz
(142g)
2.47 oz
(70g)
Dimensions 3.53" x 1.76" x 0.93"
(90 x 45 x 23.6 mm)
4.88" x 2.48" x 0.44"
(124 x 63 x 11.2 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
4.04" x 1.71" x 0.63"
(103 x 43 x 16 mm)
Form Factor Clamshell Slab Slab Slab
Platform / OS (proprietary) Android BlackBerry OS (proprietary)
Network Bands

CDMA: 850, 1900

AMPS: 850

4G WiMAX: 41

CDMA: 850, 1900

CDMA: 850, 1900

CDMA: 850, 1900

Data Technology 1xRTT WiMAX 1xRTT 1xRTT
Features 
GPS / Location Yes n/a n/a Yes
Accessibility
Hearing Aid Compatible - Yes
M4 (very compatible)
- -
Multiple Languages Yes n/a n/a Yes
TTY/TDD (Digital) Yes - Yes -
Alerts
Extra Display Yes - - -
Ringer Profiles - - Yes -
Connectivity
Bluetooth - Yes - -
Mobile Hotspot - n/a n/a -
NFC - Yes - -
USB Yes Yes
Micro-USB
Yes Yes
Mini-USB
Wi-Fi - Yes
4 (802.11 b,g,n)
- -
Contacts
Picture ID Yes n/a n/a -
Ringer ID Yes n/a n/a -
Voice Dialing Yes n/a n/a -
Customization
Custom Graphics Yes n/a n/a -
Custom Ringtones Yes n/a n/a -
Real-Music Ringers - n/a n/a -
Data & Network
Data Tethering - n/a n/a -
WAP / Web Browser Yes n/a n/a -
Input
Predictive Text Entry Yes n/a n/a -
Side Keys Yes Yes Yes -
Text Keyboard, Hardware - - Yes -
Touch Screen - Yes
Capacitive
- -
Messaging
Email Client - n/a n/a -
Instant Messaging - n/a n/a -
MMS - n/a n/a -
Text Messaging Templates - n/a n/a Yes
Music
Headphone Jack (3.5mm) - Yes - -
Music Player - n/a n/a -
Productivity
Alarm Yes n/a n/a Yes
Calculator Yes n/a n/a Yes
Calendar Yes n/a n/a Yes
To-Do List - n/a n/a Yes
Voice Memo Yes n/a n/a Yes *
Software
Games Yes n/a n/a -
Java (J2ME) Yes n/a n/a -
Voice
Headset Jack (2.5 mm) Yes n/a n/a Yes
Speaker Phone Yes Yes - -
  * Some versions only
  LG PM-225 Samsung Nexus S 4G BlackBerry 7750 Cal-Comp EZ
  X > < X > < X > < X

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

 
Phone LG PM-225 Samsung Nexus S 4G BlackBerry 7750 Cal-Comp EZ

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