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Phone HTC Droid Eris Kyocera 3225 Samsung Wafer R510 ZTE Z221 Palm Treo 600 (CDMA)
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 3.2" diag.
5 : 3
? 1.9" diag.
4 : 3
2" diag.
4 : 3
?
Display Resolution & Type 320 x 480 pixels
(~180 ppi)
LCD (TFT/TFD)
?
LCD (Grayscale)
220 x 176 pixels
(~148 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
160 x 160 pixels
LCD (Color)
Display Refresh 60 Hz ? ? ? ?
Battery 1,300 mAh ? 800 mAh 900 mAh ?
Processor 528 MHz MSM7600 ? ? ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware 142 MB ? raw hardware
Main Camera 5 megapixel - 1 megapixel Yes Yes
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture CIF (352 x 288) - ? QCIF (176 x 144) -
Front Camera - - - - -
Weight 4.43 oz
(126g)
4.23 oz
(120g)
2.47 oz
(70g)
3.24 oz
(92g)
6.2 oz
(176g)
Dimensions 4.45" x 2.19" x 0.52"
(113 x 55 x 13.2 mm)
3.4" x 1.97" x 1.02"
(86 x 50 x 25.9 mm)
4.45" x 1.97" x 0.33"
(113 x 50 x 8.4 mm)
3.76" x 1.92" x 0.73"
(96 x 49 x 18.5 mm)
4.41" x 2.36" x 0.87"
(112 x 60 x 22.1 mm)
Form Factor Slab Slab Slab Clamshell Slab
Platform / OS Android (proprietary) (proprietary) (proprietary) Palm OS
Network Bands

CDMA: 850, 1900

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology EVDO rA 1xRTT EVDO r0 HSDPA 3.6 1xRTT
Features 
GPS / Location n/a Yes Yes Yes n/a
Accessibility
Hearing Aid Compatible Yes - Yes Yes -
Multiple Languages n/a Yes Yes Yes n/a
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display - - - Yes -
Ringer Profiles - - - Yes -
Connectivity
Bluetooth Yes - Yes Yes -
Infrared (IR) - - - - Yes
USB Yes
Mini-USB
- - Yes Yes
Wi-Fi Yes
802.11 b,g
- - - -
Contacts
Picture ID n/a - Yes - n/a
Ringer ID n/a - - - n/a
Voice Dialing n/a Yes Yes - n/a
Customization
Custom Graphics n/a Yes Yes Yes n/a
Custom Ringtones n/a Yes Yes Yes n/a
Real-Music Ringers n/a - - Yes n/a
Data & Network
Data Tethering n/a Yes - - n/a
WAP / Web Browser n/a Yes Yes Yes n/a
Input
Predictive Text Entry n/a Yes Yes Yes n/a
Side Keys Yes - Yes Yes Yes
Text Keyboard, Hardware - - - - Yes
Touch Screen Yes - - - Yes
Memory
Memory Card Slot Yes - Yes - Yes
Messaging
Email Client n/a - - Yes n/a
EMS / Picture Messaging n/a Yes - - n/a
Instant Messaging n/a - - Yes n/a
MMS n/a - Yes Yes n/a
Text Messaging Templates n/a - - Yes n/a
Music
Headphone Jack (3.5mm) Yes - - - -
Music Player n/a - Yes - n/a
Stereo Speakers - - Yes - -
Productivity
Alarm n/a Yes Yes Yes n/a
Calculator n/a Yes Yes Yes n/a
Calendar n/a Yes Yes Yes n/a
To-Do List n/a - - - n/a
Voice Memo n/a - Yes Yes n/a
Software
BREW n/a Yes Yes - n/a
Games n/a Yes Yes Yes n/a
Java (J2ME) n/a - - Yes n/a
Voice
Headset Jack (2.5 mm) n/a Yes - - n/a
Speaker Phone Yes Yes Yes Yes Yes
  HTC Droid Eris Kyocera 3225 Samsung Wafer R510 ZTE Z221 Palm Treo 600 (CDMA)
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Phone HTC Droid Eris Kyocera 3225 Samsung Wafer R510 ZTE Z221 Palm Treo 600 (CDMA)

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