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Phone Motorola Rival A455 Sony Xperia Pro Ericsson T39 Palm Treo 650 (CDMA)
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2.2" diag.
4 : 3
6.5" diag.
21 : 9
? ?
Display Resolution & Type 176 x 220 pixels
(~131 ppi)
LCD (TFT/TFD)
1644 x 3840 pixels
(~643 ppi)
AMOLED
?
LCD (Grayscale)
320 x 320 pixels
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? ?
Battery 940 mAh 4,000 mAh ? ?
Processor ? Qualcomm Snapdragon 865 ? 312 MHz Intel XScale PXA270
RAM ? 12 GB ? ?
Storage ? raw hardware 512 GB ? raw hardware ? raw hardware
Main Camera 2 megapixel 12 megapixel - Yes
Wide Camera - 12 megapixel - -
Tele Camera - 12 megapixel - -
Video Capture QVGA (320 x 240) 4K UHD - QVGA (320 x 240)
Front Camera - 8 megapixel - -
Weight 4.48 oz
(127g)
7.94 oz
(225g)
3.03 oz
(86g)
6.3 oz
(179g)
Dimensions 3.82" x 1.96" x 0.73"
(97 x 50 x 18.5 mm)
6.7" x 3" x 0.4"
(170 x 76 x 10.2 mm)
3.78" x 1.97" x 0.71"
(96 x 50 x 18 mm)
4.4" x 2.3" x 0.9"
(112 x 58 x 22.9 mm)
Form Factor Slide Slab Flip Slab
Platform / OS (proprietary) Android (proprietary) Palm OS
Network Bands

CDMA: 850, 1900

5G: 2, 5, 66, 260, 261

4G LTE: 2, 4, 5, 7, 12, 13, 25, 26, 41, 48, 66

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

CDMA: 850, 1900

Data Technology EVDO r0 NR (5G) GPRS 1xRTT
Features 
Fingerprint Reader - Yes
stand-alone
- -
Flashlight - Yes - -
GPS / Location Yes n/a - n/a
Water-Resistant - Yes
IPX8 (SCUBA)
- -
Accessibility
Hearing Aid Compatible Yes Yes - -
Multiple Languages Yes n/a Yes n/a
TTY/TDD (Digital) Yes Yes - -
Alerts
Ringer Profiles - - Yes -
Connectivity
Bluetooth Yes Yes Yes Yes
Infrared (IR) - - Yes Yes
NFC - Yes - -
USB Yes
Micro-USB
Yes
USB Type C
- -
Wi-Fi - Yes
6 (802.11 a,ac,ax,b,g,n)
- -
Contacts
Picture ID Yes n/a - n/a
Ringer ID Yes n/a - n/a
Voice Dialing Yes n/a Yes n/a
Customization
Custom Graphics Yes n/a Yes n/a
Custom Ringtones Yes n/a Yes n/a
Real-Music Ringers Yes n/a - n/a
Data & Network
Data Tethering Yes n/a Yes n/a
Dual-SIM - Yes - -
WAP / Web Browser Yes n/a Yes n/a
Input
Predictive Text Entry - n/a Yes n/a
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - Yes
Touch Screen Yes Yes - Yes
Memory
Memory Card Slot Yes Yes - Yes
Messaging
Email Client Yes n/a - n/a
EMS / Picture Messaging Yes n/a - n/a
Instant Messaging Yes n/a - n/a
MMS Yes n/a - n/a
Text Messaging Templates Yes n/a Yes n/a
Music
Headphone Jack (3.5mm) Yes Yes - -
Music Player Yes n/a - n/a
Stereo Speakers - Yes - -
Photo & Video
TV Output - Yes - -
Power
Fast Charging - Yes - -
Productivity
Alarm Yes n/a Yes n/a
Calculator Yes n/a Yes n/a
Calendar Yes n/a Yes n/a
To-Do List - n/a - n/a
Voice Memo Yes n/a Yes n/a
Software
BREW Yes n/a - n/a
Games Yes n/a Yes n/a
Voice
HD Voice - Yes - -
Headset Jack (2.5 mm) - n/a - n/a
Speaker Phone Yes Yes - Yes
  Motorola Rival A455 Sony Xperia Pro Ericsson T39 Palm Treo 650 (CDMA)
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Phone Motorola Rival A455 Sony Xperia Pro Ericsson T39 Palm Treo 650 (CDMA)

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