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Phone Palm Treo 650 (CDMA) Samsung SGH-A157 HTC EVO 4G
Current U.S. Carriers (none) (none) (none)
Global Availability Released Released Released
Specifications 
Display Size ? 1.8" diag.
4 : 3
4.3" diag.
5 : 3
Display Resolution & Type 320 x 320 pixels
LCD (TFT/TFD)
128 x 160 pixels
(~116 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~217 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz
Battery ? 800 mAh 1,500 mAh
Processor 312 MHz Intel XScale PXA270 ? 1 GHz Qualcomm Snapdragon S1 QSD8650
RAM ? ? ?
Storage ? raw hardware 256 MB ? raw hardware
Main Camera Yes - 8 megapixel
Wide Camera - - -
Tele Camera - - -
Video Capture QVGA (320 x 240) - 720p HD
Front Camera - - Yes
Weight 6.3 oz
(179g)
2.99 oz
(85g)
6 oz
(170g)
Dimensions 4.4" x 2.3" x 0.9"
(112 x 58 x 22.9 mm)
3.83" x 1.84" x 0.65"
(97 x 47 x 16.5 mm)
4.8" x 2.6" x 0.5"
(122 x 66 x 12.7 mm)
Form Factor Slab Clamshell Slab
Platform / OS Palm OS (proprietary) Android
Network Bands

CDMA: 850, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

4G WiMAX: 41

CDMA: 850, 1900

Data Technology 1xRTT ? WiMAX
Features 
GPS / Location n/a Yes n/a
Accessibility
Adjustable Text Size n/a Yes n/a
Hearing Aid Compatible - Yes
M4 (very compatible)
Yes
Multiple Languages n/a Yes n/a
TTY/TDD (Digital) - Yes Yes
Alerts
Ringer Profiles - Yes -
Connectivity
Bluetooth Yes - Yes
Infrared (IR) Yes - -
Mobile Hotspot n/a - n/a
USB - Yes
Micro-USB
Yes
Wi-Fi - - Yes
802.11 b,g
Contacts
Picture ID n/a Yes n/a
Ringer ID n/a Yes n/a
Voice Dialing n/a - n/a
Customization
Custom Graphics n/a Yes n/a
Custom Ringtones n/a 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 n/a
Input
Predictive Text Entry n/a Yes n/a
Side Keys Yes - Yes
Text Keyboard, Hardware Yes - -
Touch Screen Yes - Yes
Capacitive
Memory
Memory Card Slot Yes - Yes
Messaging
Email Client n/a - n/a
Instant Messaging n/a - n/a
MMS n/a Yes n/a
Text Messaging Templates n/a Yes n/a
Music
FM Radio - - Yes
Headphone Jack (3.5mm) - - Yes
Music Player n/a - n/a
Photo & Video
TV Output - - Yes
Productivity
Alarm n/a Yes n/a
Calculator n/a Yes n/a
Calendar n/a Yes n/a
To-Do List n/a Yes n/a
Voice Memo n/a Yes n/a
Software
Games n/a - n/a
Voice
Headset Jack (2.5 mm) n/a - n/a
Speaker Phone Yes Yes Yes
  Palm Treo 650 (CDMA) Samsung SGH-A157 HTC EVO 4G
  X > < X > < X

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Phone Palm Treo 650 (CDMA) Samsung SGH-A157 HTC EVO 4G

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