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Phone Palm Treo 650 (CDMA) Samsung SGH-E640 Huawei M750 Kyocera DuraForce XD
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? ? 2.8" diag.
4 : 3
5.7" diag.
16 : 9
Display Resolution & Type 320 x 320 pixels
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~143 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~258 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz
Battery ? 800 mAh 1,150 mAh 3,700 mAh
Processor 312 MHz Intel XScale PXA270 ? ? 1.6 GHz Qualcomm Snapdragon 400 (MSM8928)
RAM ? ? ? 2 GB
Storage ? raw hardware ? raw hardware ? raw hardware 16 GB
Main Camera Yes 1 megapixel 1 megapixel 8 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture QVGA (320 x 240) QCIF (176 x 144) - 1080p HD
Front Camera - - - 2 megapixel
Weight 6.3 oz
(179g)
3.17 oz
(90g)
3.92 oz
(111g)
10.83 oz
(307g)
Dimensions 4.4" x 2.3" x 0.9"
(112 x 58 x 22.9 mm)
3.37" x 1.78" x 0.93"
(86 x 45 x 23.6 mm)
4.21" x 2.25" x 0.59"
(107 x 57 x 14.9 mm)
6.57" x 3.4" x 0.55"
(167 x 86 x 14 mm)
Form Factor Slab Clamshell Slab Slab
Platform / OS Palm OS (proprietary) (proprietary) Android
Network Bands

CDMA: 850, 1900

GSM: 900, 1800, 1900

CDMA: 850, 1700, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 17, 20, 29

WCDMA: 1, 2, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology 1xRTT GPRS 1xRTT LTE (Cat 3)
Features 
Flashlight - - - Yes
GPS / Location n/a - Yes n/a
Ruggedized - - - Yes
Water-Resistant - - - Yes
IPX8 (SCUBA)
Accessibility
Adjustable Text Size n/a - - n/a
Hearing Aid Compatible - - Yes
M3 (mostly compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Multiple Languages n/a Yes - n/a
TTY/TDD (Digital) - - Yes Yes
Alerts
Extra Display - Yes - -
Connectivity
Bluetooth Yes Yes Yes Yes
Infrared (IR) Yes - - -
Mobile Hotspot n/a - - n/a
NFC - - - Yes
USB - Yes Yes Yes
Micro-USB
Wi-Fi - - - Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID n/a Yes Yes n/a
Ringer ID n/a Yes Yes n/a
Voice Dialing n/a - - n/a
Customization
Custom Graphics n/a Yes Yes n/a
Custom Ringtones n/a Yes Yes n/a
Real-Music Ringers n/a Yes - n/a
Data & Network
Data Tethering n/a - - n/a
WAP / Web Browser n/a Yes Yes n/a
Input
Predictive Text Entry n/a Yes - n/a
Side Keys Yes Yes Yes Yes
Stylus - - Yes -
Text Keyboard, Hardware Yes - - -
Touch Screen Yes - Yes
Resistive
Yes
Capacitive
Memory
Memory Card Slot Yes - Yes Yes
Messaging
Email Client n/a Yes Yes n/a
EMS / Picture Messaging n/a Yes - n/a
Instant Messaging n/a - Yes n/a
MMS n/a Yes Yes n/a
Text Messaging Templates n/a Yes Yes n/a
Music
Headphone Jack (3.5mm) - - Yes Yes
Music Player n/a Yes Yes n/a
Photo & Video
Miracast - - - Yes
Power
Fast Charging - - - Yes
Productivity
Alarm n/a Yes Yes n/a
Calculator n/a Yes Yes n/a
Calendar n/a Yes Yes n/a
To-Do List n/a Yes - n/a
Voice Memo n/a Yes Yes n/a
Software
BREW n/a - Yes n/a
Games n/a Yes Yes n/a
Java (J2ME) n/a Yes - n/a
Voice
HD Voice - - - Yes
Headset Jack (2.5 mm) n/a - - n/a
Push-To-Talk - - - Yes
Speaker Phone Yes Yes Yes Yes
  Palm Treo 650 (CDMA) Samsung SGH-E640 Huawei M750 Kyocera DuraForce XD
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Phone Palm Treo 650 (CDMA) Samsung SGH-E640 Huawei M750 Kyocera DuraForce XD

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