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Phone Apple iPhone 4 (GSM) Palm Treo 600 (GSM) Samsung Knack U310 Audiovox CDM-8500 Sonim XP3
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 3.5" diag.
5 : 3
? 2.2" diag.
4 : 3
? 2.6" diag.
4 : 3
Display Resolution & Type 640 x 960 pixels
(~330 ppi)
LCD (TFT/TFD)
160 x 160 pixels
LCD (Color)
176 x 220 pixels
(~128 ppi)
LCD (TFT/TFD)
? 240 x 320 pixels
(~154 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? ? ?
Battery ? ? 1,000 mAh ? 1,500 mAh
Processor Apple A4 ? ? ? 1.1 GHz Qualcomm Snapdragon 210 (MSM8909)
RAM ? ? ? ? 1 GB
Storage 32 GB * ? raw hardware ? raw hardware ? raw hardware 8 GB
Main Camera 5 megapixel Yes - - 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 720p HD - - - ?
Front Camera Yes - - - -
Weight 4.8 oz
(136g)
5.92 oz
(168g)
3.63 oz
(103g)
3.2 oz
(91g)
6.88 oz
(195g)
Dimensions 4.5" x 2.31" x 0.37"
(114 x 59 x 9.4 mm)
4.41" x 2.36" x 0.87"
(112 x 60 x 22.1 mm)
3.78" x 2.01" x 0.74"
(96 x 51 x 18.8 mm)
3.3" x 1.6" x 0.9"
(84 x 41 x 22.9 mm)
4.4" x 2.3" x 1.1"
(112 x 58 x 27.9 mm)
Form Factor Slab Slab Clamshell Clamshell Clamshell
Platform / OS iOS Palm OS (proprietary) (proprietary) (proprietary)
Network Bands

WCDMA: 1, 2, 5, 8

GSM: 850, 900, 1800, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

CDMA: 850, 1900

AMPS: 850

4G LTE: 1, 2, 3, 4, 5, 8, 12, 13, 14, 25, 26, 38, 41, 66

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

Data Technology HSPA 7.2 GPRS - 1xRTT LTE (Cat 4)
Features 
Barometer - - - - Yes
Flashlight - - - - Yes
GPS / Location n/a n/a Yes Yes Yes
Ruggedized - - - - Yes
Water-Resistant - - - - Yes
IPX8 (SCUBA)
Accessibility
Adjustable Text Size n/a n/a Yes - Yes
Hearing Aid Compatible Yes
M3, T3 (mostly tele-coil compatible)
- Yes
M4, T4 (very tele-coil compatible)
- Yes
M3, T4 (very tele-coil compatible)
Multiple Languages n/a n/a Yes Yes Yes
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display - - Yes Yes Yes
Ringer Profiles - - - - Yes
Connectivity
Bluetooth Yes - - - Yes
Infrared (IR) - Yes - - -
Mobile Hotspot n/a n/a - - Yes
USB Yes Yes - - Yes
USB Type C
Wi-Fi Yes
4 (802.11 b,g,n)
- - - Yes
4 (802.11 a,b,g,n)
Contacts
Picture ID n/a n/a - - -
Ringer ID n/a n/a - Yes Yes
Voice Dialing n/a n/a Yes Yes Yes
Customization
Custom Graphics n/a n/a - - Yes
Custom Ringtones n/a n/a - - Yes
Real-Music Ringers n/a n/a - - -
Data & Network
Data Tethering n/a n/a - Yes Yes
Dual-SIM - - - - Yes
WAP / Web Browser n/a n/a - Yes Yes
Input
Predictive Text Entry n/a n/a Yes Yes Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - - -
Touch Screen Yes
Capacitive
Yes - - -
Memory
Memory Card Slot - Yes - - Yes
Messaging
Email Client n/a n/a - - -
EMS / Picture Messaging n/a n/a Yes - -
MMS n/a n/a - - Yes
Text Messaging Templates n/a n/a - - Yes
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) Yes - - - Yes
Music Player n/a n/a - - Yes
Photo & Video
TV Output Yes - - - -
Productivity
Alarm n/a n/a Yes Yes Yes
Calculator n/a n/a Yes Yes Yes
Calendar n/a n/a Yes Yes Yes
To-Do List n/a n/a - - -
Voice Memo n/a n/a - Yes Yes
Software
BREW n/a n/a - Yes * -
Games n/a n/a - Yes -
Voice
HD Voice - - - - Yes
Headset Jack (2.5 mm) n/a n/a Yes Yes -
Push-To-Talk - - - - Yes
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Apple iPhone 4 (GSM) Palm Treo 600 (GSM) Samsung Knack U310 Audiovox CDM-8500 Sonim XP3
  X > < X > < X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Apple iPhone 4 (GSM) Palm Treo 600 (GSM) Samsung Knack U310 Audiovox CDM-8500 Sonim XP3

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