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Phone Siemens S66 / S65 / SP65 Audiovox CDM-8150X NEC 535M BlackBerry 7750
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Not yet released Released
Specifications 
Display Size ? ? ? ?
Display Resolution & Type 132 x 176 pixels
LCD (TFT/TFD)
? 240 x 320 pixels
LCD (TFT/TFD)
240 x 240 pixels
LCD (Color)
Display Refresh ? ? ? ?
Battery 750 mAh ? 720 mAh ?
Processor ? ? ? ?
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 1 megapixel - 1 megapixel -
Wide Camera - - - -
Tele Camera - - - -
Video Capture QCIF (176 x 144) - QCIF (176 x 144) -
Front Camera - - - -
Weight 3.46 oz
(98g)
3.88 oz
(110g)
4.16 oz
(118g)
5.01 oz
(142g)
Dimensions 4.29" x 1.89" x 0.71"
(109 x 48 x 18 mm)
4.88" x 1.89" x 0.71"
(124 x 48 x 18 mm)
3.98" x 1.93" x 1.02"
(101 x 49 x 25.9 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
Form Factor Slab Slab Clamshell Slab
Platform / OS (proprietary) (proprietary) (proprietary) BlackBerry OS
Network Bands

GSM: 850, 1800, 1900

*

CDMA: 850, 1900

AMPS: 850

GSM: 850, 1800, 1900

CDMA: 850, 1900

Data Technology GPRS 1xRTT GPRS 1xRTT
Features 
Flashlight - - Yes -
GPS / Location - - - n/a
Accessibility
Multiple Languages Yes Yes Yes n/a
TTY/TDD (Digital) - - Yes Yes
Alerts
Extra Display - - Yes -
Ringer Profiles Yes - Yes Yes
Connectivity
Bluetooth Yes
Classic Audio
- - -
Infrared (IR) Yes - Yes -
USB Yes - Yes Yes
Contacts
Picture ID Yes - Yes n/a
Ringer ID Yes - Yes n/a
Voice Dialing - Yes Yes n/a
Customization
Custom Graphics Yes - Yes n/a
Custom Ringtones Yes Yes Yes n/a
Data & Network
Data Tethering Yes - Yes n/a
WAP / Web Browser Yes Yes Yes n/a
Input
Predictive Text Entry Yes Yes Yes n/a
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes
Memory
Memory Card Slot Yes - - -
Messaging
Email Client Yes - Yes n/a
EMS / Picture Messaging Yes - - n/a
Instant Messaging Yes - - n/a
MMS Yes - Yes n/a
Productivity
Alarm Yes - Yes n/a
Calculator Yes Yes Yes n/a
Calendar Yes Yes Yes n/a
To-Do List Yes - Yes n/a
Voice Memo Yes Yes Yes n/a
Software
Games Yes - Yes n/a
Java (J2ME) Yes - Yes n/a
Voice
Headset Jack (2.5 mm) - Yes - n/a
Speaker Phone Yes - - -
  Siemens S66 / S65 / SP65 Audiovox CDM-8150X NEC 535M BlackBerry 7750
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Siemens S66 / S65 / SP65 Audiovox CDM-8150X NEC 535M BlackBerry 7750

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