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Phone HTC Desire 555 Motorola EM330 / EM28 Palm Pre Plus (GSM) BlackBerry Bold 9900 NEC 525
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 5" diag.
16 : 9
1.8" diag.
4 : 3
3.1" diag.
5 : 3
2.8" diag.
4 : 3
?
Display Resolution & Type 720 x 1280 pixels
(~294 ppi)
LCD (TFT/TFD)
128 x 160 pixels
(~114 ppi)
LCD (TFT/TFD)
320 x 480 pixels
(~186 ppi)
LCD (TFT/TFD)
640 x 480 pixels
(~286 ppi)
LCD (TFT/TFD)
162 x 216 pixels
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? ? ?
Battery 2,200 mAh 940 mAh 1,150 mAh 1,230 mAh 800 mAh
Processor 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) ? ? 1.2 GHz Qualcomm Snapdragon S2 MSM8255 ?
RAM 2 GB ? ? 768 MB ?
Storage 16 GB ? raw hardware ? raw hardware 8 GB ? raw hardware
Main Camera 8 megapixel 1 megapixel 3 megapixel 5 megapixel Yes
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 720p HD ? VGA (640 x 480) 720p HD -
Front Camera 5 megapixel - - - -
Weight 4.93 oz
(140g)
3.17 oz
(90g)
4.89 oz
(139g)
4.59 oz
(130g)
4.03 oz
(114g)
Dimensions 5.78" x 2.79" x 0.33"
(147 x 71 x 8.4 mm)
3.71" x 1.95" x 0.68"
(94 x 50 x 17.4 mm)
3.9" x 2.3" x 0.67"
(99 x 58 x 17 mm)
4.53" x 2.6" x 0.41"
(115 x 66 x 10.5 mm)
4.12" x 1.88" x 1.06"
(105 x 48 x 26.9 mm)
Form Factor Slab Clamshell Slide Slab Clamshell
Platform / OS Android (proprietary) webOS BlackBerry OS (proprietary)
Network Bands

4G LTE: 2, 4, 5, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

GSM: 850, 1800, 1900

*

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 4) EDGE HSDPA 1.8 HSPA 14.4 GPRS
Features 
Flashlight Yes - - - -
GPS / Location n/a - n/a n/a -
Accessibility
Adjustable Text Size n/a - n/a n/a -
Hearing Aid Compatible Yes * Yes - Yes -
Multiple Languages n/a Yes n/a n/a Yes
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display - Yes - - Yes
Ringer Profiles - - - Yes Yes
Connectivity
Bluetooth Yes Yes Yes Yes -
Infrared (IR) - - - - Yes
NFC - - - Yes -
USB Yes
Micro-USB
Yes
Mini-USB
Yes
Micro-USB
Yes
Micro-USB
Yes
Wi-Fi Yes
4 (802.11 b,g,n)
- Yes
802.11 b,g
Yes
4 (802.11 a,b,g,n)
-
Contacts
Picture ID n/a - n/a n/a Yes
Ringer ID n/a - n/a n/a Yes
Voice Dialing n/a - n/a n/a Yes
Customization
Custom Graphics n/a Yes n/a n/a Yes
Custom Ringtones n/a Yes n/a n/a Yes
Real-Music Ringers n/a Yes n/a n/a -
Data & Network
Data Tethering n/a - n/a n/a Yes
WAP / Web Browser n/a Yes n/a n/a Yes
Input
Predictive Text Entry n/a Yes n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes Yes -
Touch Screen Yes - Yes Yes -
Memory
Memory Card Slot Yes Yes - Yes -
Messaging
Email Client n/a - n/a n/a Yes
EMS / Picture Messaging n/a Yes n/a n/a Yes
Instant Messaging n/a - n/a n/a -
MMS n/a Yes n/a n/a Yes
Text Messaging Templates n/a Yes n/a n/a -
Music
FM Radio Yes Yes - - -
Headphone Jack (3.5mm) Yes Yes Yes Yes -
Music Player n/a Yes n/a n/a -
Photo & Video
DLNA Yes - - - -
Miracast Yes - - - -
Productivity
Alarm n/a Yes n/a n/a Yes
Calculator n/a Yes n/a n/a Yes
Calendar n/a Yes n/a n/a Yes
To-Do List n/a - n/a n/a Yes
Voice Memo n/a - n/a n/a Yes
Software
Games n/a Yes n/a n/a Yes
Java (J2ME) n/a Yes n/a n/a Yes
Voice
HD Voice Yes - - - -
Headset Jack (2.5 mm) n/a - n/a n/a Yes
Speaker Phone Yes Yes Yes Yes -
  * Some versions only
  HTC Desire 555 Motorola EM330 / EM28 Palm Pre Plus (GSM) BlackBerry Bold 9900 NEC 525
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone HTC Desire 555 Motorola EM330 / EM28 Palm Pre Plus (GSM) BlackBerry Bold 9900 NEC 525

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