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Phone Samsung M330 Samsung Trill R520 Sony Ericsson Z310 Huawei Tap HTC Touch Diamond (CDMA)
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2" diag.
4 : 3
2.2" diag.
4 : 3
? 2.8" diag.
4 : 3
2.8" diag.
4 : 3
Display Resolution & Type 128 x 160 pixels
(~102 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~128 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (STN)
240 x 320 pixels
(~143 ppi)
LCD (TFT/TFD)
480 x 640 pixels
(~286 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ? ?
Battery 960 mAh 880 mAh ? ? 1,340 mAh
Processor ? ? ? ? 528 MHz Qualcomm MSM7501A
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera Yes 1 megapixel Yes 2 megapixel 3 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - ? - QVGA (320 x 240) CIF (352 x 288)
Front Camera - - - - -
Weight 3.17 oz
(90g)
3.42 oz
(97g)
3.2 oz
(91g)
3.7 oz
(105g)
4.1 oz
(116g)
Dimensions 3.7" x 1.78" x 0.59"
(94 x 45 x 15 mm)
3.97" x 1.96" x 0.57"
(101 x 50 x 14.5 mm)
3.4" x 1.8" x 1"
(86 x 46 x 25.4 mm)
4.17" x 2.2" x 0.54"
(106 x 56 x 13.7 mm)
3.98" x 2" x 0.6"
(101 x 51 x 15.2 mm)
Form Factor Slide Slide Clamshell Slab Slab
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary) Windows Mobile Professional
Network Bands

CDMA: 850, 1900

CDMA: 850, 1900

GSM: 850, 1800, 1900

WCDMA: 4

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology 1xRTT EVDO r0 EDGE HSDPA 3.6 EVDO rA
Features 
GPS / Location Yes Yes - Yes n/a
Accessibility
Adjustable Text Size - - - - n/a
Hearing Aid Compatible Yes Yes Yes - Yes
Multiple Languages Yes Yes Yes Yes n/a
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display - - Yes - -
Ringer Profiles - - Yes Yes -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - Yes - -
USB Yes
Micro-USB
Yes Yes Yes
Mini-USB
Yes
Mini-USB
Wi-Fi - - - - Yes
802.11 b,g
Contacts
Picture ID Yes Yes Yes Yes n/a
Ringer ID Yes Yes Yes Yes n/a
Voice Dialing Yes Yes - - n/a
Customization
Custom Graphics Yes Yes Yes Yes n/a
Custom Ringtones Yes Yes Yes Yes n/a
Real-Music Ringers - Yes Yes Yes n/a
Data & Network
Data Tethering Yes Yes Yes Yes n/a
WAP / Web Browser Yes Yes Yes Yes n/a
Input
Predictive Text Entry Yes Yes Yes Yes n/a
Side Keys Yes Yes Yes Yes Yes
Stylus - - - - Yes
Touch Screen - - - Yes Yes
Memory
Memory Card Slot - Yes - Yes Yes *
Messaging
Email Client - - Yes Yes n/a
Instant Messaging - - - Yes n/a
MMS - Yes Yes Yes n/a
Text Messaging Templates Yes Yes Yes Yes n/a
Music
FM Radio - - - Yes -
Headphone Jack (3.5mm) - Yes - - -
Music Player - Yes - Yes n/a
Productivity
Alarm Yes Yes Yes Yes n/a
Calculator Yes Yes Yes Yes n/a
Calendar Yes Yes Yes Yes n/a
To-Do List - - Yes - n/a
Voice Memo Yes Yes Yes - n/a
Software
BREW - Yes - - n/a
Games Yes Yes Yes Yes n/a
Java (J2ME) Yes - Yes Yes n/a
Voice
Headset Jack (2.5 mm) Yes - - - n/a
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung M330 Samsung Trill R520 Sony Ericsson Z310 Huawei Tap HTC Touch Diamond (CDMA)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung M330 Samsung Trill R520 Sony Ericsson Z310 Huawei Tap HTC Touch Diamond (CDMA)

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