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Phone Ericsson R520 Ericsson T28 World Motorola C290 Motorola v66 HTC EVO 4G
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? ? ? 4.3" diag.
5 : 3
Display Resolution & Type ? ? 128 x 160 pixels
LCD (STN)
? 480 x 800 pixels
(~217 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ? 60 Hz
Battery ? 500 mAh 1,020 mAh ? 1,500 mAh
Processor ? ? ? ? 1 GHz Qualcomm Snapdragon S1 QSD8650
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - - - - 8 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - - - 720p HD
Front Camera - - - - Yes
Weight 4.23 oz
(120g)
3.14 oz
(89g)
3.53 oz
(100g)
2.79 oz
(79g)
6 oz
(170g)
Dimensions 5.12" x 1.97" x 0.63"
(130 x 50 x 16 mm)
3.9" x 2" x 0.6"
(99 x 51 x 15.2 mm)
3.43" x 1.91" x 0.93"
(87 x 49 x 23.6 mm)
3.31" x 1.73" x 0.83"
(84 x 44 x 21.1 mm)
4.8" x 2.6" x 0.5"
(122 x 66 x 12.7 mm)
Form Factor Slab Flip Clamshell Clamshell Slab
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary) Android
Network Bands

GSM: 900, 1800, 1900

GSM: 900, 1900

CDMA: 850, 1900

AMPS: 850

GSM: 900, 1800, 1900

4G WiMAX: 41

CDMA: 850, 1900

Data Technology GPRS - 1xRTT GPRS WiMAX
Features 
GPS / Location - - Yes - n/a
Accessibility
Hearing Aid Compatible - - Yes - Yes
Multiple Languages Yes - Yes - n/a
TTY/TDD (Digital) - - Yes - Yes
Alerts
Ringer Profiles Yes Yes - - -
Connectivity
Bluetooth Yes
HSP, Sync, OPP, DUN
- - - Yes
Classic Audio
Infrared (IR) Yes - - - -
Mobile Hotspot - - - - n/a
USB - - Yes
Mini-USB
Yes Yes
Wi-Fi - - - - Yes
802.11 b,g
Contacts
Picture ID - - Yes - n/a
Ringer ID - - Yes - n/a
Voice Dialing Yes Yes - Yes n/a
Customization
Custom Graphics - - - - n/a
Custom Ringtones Yes Yes - - n/a
Real-Music Ringers - - Yes - n/a
Data & Network
Data Tethering Yes Yes - Yes n/a
External Antenna Jack - - Yes - n/a
WAP / Web Browser Yes - Yes Yes n/a
Input
Predictive Text Entry Yes - Yes Yes n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen - - - - Yes
Memory
Memory Card Slot - - - - Yes
Messaging
Email Client - - - - n/a
Instant Messaging - - - - n/a
MMS - - - - n/a
Text Messaging Templates Yes - Yes - n/a
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) - - - - Yes
Music Player - - - - n/a
Photo & Video
TV Output - - - - Yes
Productivity
Alarm Yes Yes Yes Yes n/a
Calculator Yes Yes Yes Yes n/a
Calendar Yes - Yes Yes n/a
Voice Memo Yes - Yes Yes n/a
Software
Games Yes Yes Yes Yes n/a
Java (J2ME) - - Yes - n/a
Voice
Headset Jack (2.5 mm) - - Yes Yes n/a
Speaker Phone Yes - Yes - Yes
  Ericsson R520 Ericsson T28 World Motorola C290 Motorola v66 HTC EVO 4G
  X > < X > < X > < X > < X

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

 
Phone Ericsson R520 Ericsson T28 World Motorola C290 Motorola v66 HTC EVO 4G

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