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Phone Apple iPhone 4 (CDMA) HTC G2 Nokia 6255i / 6256i Nokia N75 Siemens CX75
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Not yet released
Specifications 
Display Size 3.5" diag.
5 : 3
3.7" diag.
5 : 3
? 2.4" diag.
4 : 3
?
Display Resolution & Type 640 x 960 pixels
(~330 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~252 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
132 x 176 pixels
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz ? ? ?
Battery ? 1,300 mAh 1,070 mAh 800 mAh 750 mAh
Processor ? 800 MHz Qualcomm S2 MSM7230 ? ? ?
RAM ? ? ? ? ?
Storage 8 GB * ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 5 megapixel 5 megapixel Yes 2 megapixel 1 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 720p HD 720p HD ? CIF (352 x 288) ?
Front Camera Yes - - - -
Weight 4.8 oz
(136g)
6.5 oz
(184g)
4.23 oz
(120g)
4.36 oz
(124g)
3.46 oz
(98g)
Dimensions 4.5" x 2.31" x 0.37"
(114 x 59 x 9.4 mm)
4.68" x 2.37" x 0.55"
(119 x 60 x 14 mm)
3.36" x 1.87" x 0.97"
(85 x 47 x 24.6 mm)
3.74" x 2.05" x 0.8"
(95 x 52 x 20.3 mm)
4.33" x 1.88" x 0.74"
(110 x 48 x 18.8 mm)
Form Factor Slab Slab Clamshell Clamshell Slab
Platform / OS iOS Android (proprietary) S60 (Symbian) (proprietary)
Network Bands

CDMA: 850, 1900

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

Data Technology EVDO rA HSPA 14.4 1xRTT WCDMA (UMTS) GPRS
Features 
GPS / Location n/a n/a Yes n/a -
Accessibility
Adjustable Text Size n/a n/a - n/a -
Hearing Aid Compatible Yes Yes Yes - -
Multiple Languages n/a n/a Yes n/a Yes
TTY/TDD (Digital) - - Yes Yes -
Alerts
Extra Display - - Yes Yes -
Ringer Profiles - - Yes Yes Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - Yes Yes Yes
Mobile Hotspot n/a n/a - n/a -
USB Yes Yes Yes Yes Yes
Wi-Fi Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
- - -
Contacts
Picture ID n/a n/a Yes n/a Yes
Ringer ID n/a n/a Yes n/a Yes
Voice Dialing n/a n/a Yes n/a -
Customization
Custom Graphics n/a n/a Yes n/a Yes
Custom Ringtones n/a n/a Yes n/a Yes
Real-Music Ringers n/a n/a Yes n/a -
Data & Network
Data Tethering n/a n/a Yes n/a Yes
WAP / Web Browser n/a n/a Yes n/a Yes
Input
Predictive Text Entry n/a n/a Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - - -
Touch Screen Yes Yes - - -
Memory
Memory Card Slot - Yes Yes Yes Yes
Messaging
Email Client n/a n/a Yes n/a Yes
EMS / Picture Messaging n/a n/a Yes * n/a Yes
Instant Messaging n/a n/a - n/a -
MMS n/a n/a Yes n/a Yes
Text Messaging Templates n/a n/a Yes n/a -
Music
FM Radio - - Yes Yes -
Headphone Jack (3.5mm) Yes Yes - - -
Music Player n/a n/a Yes * n/a Yes
Stereo Speakers - - - Yes -
Photo & Video
TV Output Yes - - - -
Video Calling n/a n/a - n/a -
Productivity
Alarm n/a n/a Yes n/a Yes
Calculator n/a n/a Yes n/a Yes
Calendar n/a n/a Yes n/a Yes
To-Do List n/a n/a Yes n/a Yes
Voice Memo n/a n/a Yes n/a Yes
Software
BREW n/a n/a Yes * n/a -
Games n/a n/a Yes n/a Yes
Java (J2ME) n/a n/a Yes * n/a Yes
Voice
Headset Jack (2.5 mm) n/a n/a Yes n/a -
Push-To-Talk - - - - Yes
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Apple iPhone 4 (CDMA) HTC G2 Nokia 6255i / 6256i Nokia N75 Siemens CX75
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Apple iPhone 4 (CDMA) HTC G2 Nokia 6255i / 6256i Nokia N75 Siemens CX75

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