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Phone Motorola v66i BlackBerry 6510 Motorola ROKR E2 Ericsson R520 Sony Ericsson J300a
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? ? ? ?
Display Resolution & Type ? 160 x 100 pixels 240 x 320 pixels
LCD (TFT/TFD)
? 128 x 128 pixels
LCD (STN)
Display Refresh ? ? ? ? ?
Battery ? 900 mAh ? ? ?
Processor ? ? ? ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - - 1 megapixel - -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - ? - -
Front Camera - - - - -
Weight 2.79 oz
(79g)
5.64 oz
(160g)
3.77 oz
(107g)
4.23 oz
(120g)
2.75 oz
(78g)
Dimensions 3.3" x 1.7" x 0.83"
(84 x 43 x 21.1 mm)
4.53" x 2.95" x 0.95"
(115 x 75 x 24.1 mm)
4.17" x 1.95" x 0.71"
(106 x 50 x 18 mm)
5.12" x 1.97" x 0.63"
(130 x 50 x 16 mm)
3.9" x 1.68" x 0.72"
(99 x 43 x 18.3 mm)
Form Factor Clamshell Slab Slab Slab Slab
Platform / OS (proprietary) BlackBerry OS (proprietary) (proprietary) (proprietary)
Network Bands

GSM: 900, 1800, 1900

iDEN: 800

GSM: 900, 1800, 1900

GSM: 900, 1800, 1900

GSM: 850, 1900

Data Technology GPRS - EDGE GPRS GPRS
Features 
Accessibility
Multiple Languages Yes n/a Yes Yes -
TTY/TDD (Digital) - - - - Yes
Alerts
Ringer Profiles - Yes Yes Yes Yes
Connectivity
Bluetooth - - Yes
Classic Audio
Yes
HSP, Sync, OPP, DUN
-
Infrared (IR) - - - Yes -
USB Yes Yes
Mini-USB
Yes - Yes
Contacts
Picture ID - n/a Yes - Yes
Ringer ID Yes n/a Yes - -
Voice Dialing Yes n/a Yes Yes Yes
Customization
Changeable Body Plates Yes - - - Yes
Custom Graphics - n/a Yes - Yes
Custom Ringtones Yes n/a Yes Yes Yes
Data & Network
Data Tethering Yes n/a Yes Yes Yes
WAP / Web Browser Yes n/a Yes Yes Yes
Input
Predictive Text Entry Yes n/a Yes Yes Yes
Side Keys Yes - Yes Yes -
Text Keyboard, Hardware - Yes - - -
Memory
Memory Card Slot - - Yes - -
Messaging
Email Client - n/a Yes - Yes
EMS / Picture Messaging Yes n/a - - Yes
MMS - n/a Yes - Yes
Text Messaging Templates - n/a Yes Yes -
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) - - Yes - -
Music Player - n/a Yes - -
Productivity
Alarm Yes n/a Yes Yes Yes
Calculator Yes n/a Yes Yes Yes
Calendar Yes n/a Yes Yes Yes
To-Do List - n/a Yes - Yes
Voice Memo Yes n/a Yes Yes Yes
Software
Games Yes n/a Yes Yes Yes
Java (J2ME) Yes n/a Yes - Yes
Voice
Headset Jack (2.5 mm) Yes n/a - - -
Push-To-Talk - Yes - - -
Speaker Phone - - Yes Yes Yes
  Motorola v66i BlackBerry 6510 Motorola ROKR E2 Ericsson R520 Sony Ericsson J300a
  X > < X > < X > < X > < X

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

 
Phone Motorola v66i BlackBerry 6510 Motorola ROKR E2 Ericsson R520 Sony Ericsson J300a

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