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Phone LG Optimus L90 Siemens SL55 HTC Pure / Touch Diamond2 Motorola Rival A455
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 4.7" diag.
16 : 9
? 3.2" diag.
5 : 3
2.2" diag.
4 : 3
Display Resolution & Type 540 x 960 pixels
(~234 ppi)
LCD (TFT/TFD)
101 x 80 pixels
LCD (STN)
480 x 800 pixels
(~292 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~131 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? ?
Battery 2,460 mAh 500 mAh 1,100 mAh 940 mAh
Processor 1.2 GHz Qualcomm Snapdragon 400 MSM8226 ? 528 MHz Qualcomm MSM7201A ?
RAM 1 GB ? ? ?
Storage 8 GB ? raw hardware ? raw hardware ? raw hardware
Main Camera 5 megapixel - 5 megapixel 2 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture 1080p HD - CIF (352 x 288) QVGA (320 x 240)
Front Camera Yes - - -
Weight 4.37 oz
(124g)
2.79 oz
(79g)
4.15 oz
(118g)
4.48 oz
(127g)
Dimensions 5.18" x 2.6" x 0.38"
(132 x 66 x 9.7 mm)
3.21" x 1.75" x 0.86"
(82 x 44 x 21.8 mm)
4.33" x 2.1" x 0.59"
(110 x 53 x 15 mm)
3.82" x 1.96" x 0.73"
(97 x 50 x 18.5 mm)
Form Factor Slab Slide Slab Slide
Platform / OS Android (proprietary) Windows Mobile Professional (proprietary)
Network Bands

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology HSPA+ 21 GPRS HSPA 7.2 EVDO r0
Features 
Flashlight Yes - - -
GPS / Location n/a - n/a Yes
Accessibility
Adjustable Text Size n/a - n/a -
Hearing Aid Compatible Yes - - Yes
Multiple Languages n/a Yes n/a Yes
TTY/TDD (Digital) Yes - Yes Yes
Alerts
Ringer Profiles - Yes - -
Connectivity
Bluetooth Yes - Yes Yes
Infrared (IR) Yes Yes - -
Mobile Hotspot n/a - n/a -
USB Yes - Yes
Mini-USB
Yes
Micro-USB
Wi-Fi Yes
4 (802.11 b,g,n)
- Yes
802.11 b,g
-
Contacts
Picture ID n/a Yes n/a Yes
Ringer ID n/a Yes n/a Yes
Voice Dialing n/a Yes n/a Yes
Customization
Custom Graphics n/a Yes n/a Yes
Custom Ringtones n/a Yes n/a Yes
Real-Music Ringers n/a - n/a Yes
Data & Network
Data Tethering n/a Yes n/a Yes
WAP / Web Browser n/a Yes n/a Yes
Input
Predictive Text Entry n/a Yes n/a -
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes
Touch Screen Yes - Yes Yes
Memory
Memory Card Slot Yes - Yes Yes
Messaging
Email Client n/a Yes n/a Yes
EMS / Picture Messaging n/a Yes n/a Yes
Instant Messaging n/a - n/a Yes
MMS n/a Yes n/a Yes
Text Messaging Templates n/a Yes n/a Yes
Music
FM Radio - - Yes -
Headphone Jack (3.5mm) Yes - - Yes
Music Player n/a - n/a Yes
Productivity
Alarm n/a Yes n/a Yes
Calculator n/a Yes n/a Yes
Calendar n/a Yes n/a Yes
To-Do List n/a Yes n/a -
Voice Memo n/a Yes n/a Yes
Software
BREW n/a - n/a Yes
Games n/a Yes n/a Yes
Java (J2ME) n/a Yes n/a -
Voice
Speaker Phone Yes Yes Yes Yes
  LG Optimus L90 Siemens SL55 HTC Pure / Touch Diamond2 Motorola Rival A455
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone LG Optimus L90 Siemens SL55 HTC Pure / Touch Diamond2 Motorola Rival A455

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