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Phone Samsung SGH-X820 Nokia N95 Casio G'zOne Boulder Samsung SCH-A990 HTC G2
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 2.6" diag.
4 : 3
2" diag.
4 : 3
? 3.7" diag.
5 : 3
Display Resolution & Type 220 x 176 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~154 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
480 x 800 pixels
(~252 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ? 60 Hz
Battery 650 mAh ? 810 mAh 1,000 mAh 1,300 mAh
Processor ? 332 MHz ARM 11 ? ? 800 MHz Qualcomm S2 MSM7230
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 2 megapixel 5 megapixel 1 megapixel 3 megapixel 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? VGA (640 x 480) ? ? 720p HD
Front Camera - - - - -
Weight 2.33 oz
(66g)
4.4 oz
(125g)
4.9 oz
(139g)
4.4 oz
(125g)
6.5 oz
(184g)
Dimensions 4.45" x 1.97" x 0.27"
(113 x 50 x 6.9 mm)
3.9" x 2.09" x 0.83"
(99 x 53 x 21.1 mm)
3.9" x 2" x 0.9"
(99 x 51 x 22.9 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
4.68" x 2.37" x 0.55"
(119 x 60 x 14 mm)
Form Factor Slab Slide Clamshell Clamshell Slab
Platform / OS (proprietary) S60 (Symbian) (proprietary) (proprietary) Android
Network Bands

GSM: 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

CDMA: 850, 1900

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

Data Technology EDGE HSDPA 3.6 EVDO rA EVDO r0 HSPA 14.4
Features 
Flashlight - - Yes Yes -
GPS / Location - n/a Yes Yes n/a
Ruggedized - - Yes - -
Water-Resistant - - Yes - -
Accessibility
Hearing Aid Compatible - - Yes Yes Yes
Multiple Languages Yes n/a Yes Yes n/a
TTY/TDD (Digital) - - Yes Yes -
Alerts
Extra Display - - Yes Yes -
Ringer Profiles - Yes - - -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Infrared (IR) - Yes - - -
Mobile Hotspot - n/a - - n/a
USB Yes Yes
Mini-USB
Yes Yes Yes
Wi-Fi - Yes
802.11 b,g
- - Yes
4 (802.11 b,g,n)
Contacts
Picture ID Yes n/a Yes Yes n/a
Ringer ID Yes n/a Yes Yes n/a
Voice Dialing - n/a Yes Yes n/a
Customization
Changeable Body Plates - - Yes - -
Custom Graphics Yes n/a Yes Yes n/a
Custom Ringtones Yes n/a Yes Yes n/a
Real-Music Ringers Yes n/a - Yes n/a
Data & Network
Data Tethering - n/a Yes Yes n/a
External Antenna Jack Yes n/a - - n/a
WAP / Web Browser Yes n/a Yes Yes n/a
Input
Predictive Text Entry Yes n/a Yes Yes n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - - Yes
Touch Screen - - - - Yes
Memory
Memory Card Slot - Yes Yes Yes Yes
Messaging
Email Client Yes n/a - - n/a
EMS / Picture Messaging Yes n/a Yes Yes n/a
Instant Messaging - n/a - - n/a
MMS Yes n/a Yes Yes n/a
Text Messaging Templates Yes n/a Yes Yes n/a
Music
FM Radio - Yes - - -
Headphone Jack (3.5mm) - Yes - - Yes
Music Player - n/a Yes Yes n/a
Stereo Speakers - Yes - Yes -
Photo & Video
DLNA - Yes - - -
TV Output Yes Yes - Yes -
Video Calling - n/a - - n/a
Productivity
Alarm Yes n/a Yes Yes n/a
Calculator Yes n/a Yes Yes n/a
Calendar Yes n/a Yes Yes n/a
To-Do List Yes n/a - - n/a
Voice Memo Yes n/a Yes Yes n/a
Software
BREW - n/a Yes Yes n/a
Games Yes n/a Yes Yes n/a
Java (J2ME) Yes n/a - - n/a
Voice
Push-To-Talk - Yes * Yes - -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SGH-X820 Nokia N95 Casio G'zOne Boulder Samsung SCH-A990 HTC G2
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X820 Nokia N95 Casio G'zOne Boulder Samsung SCH-A990 HTC G2

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