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Phone Palm Treo Pro (CDMA) Samsung SGH-E640 Motorola razr (2020) ZTE Agent
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? ? 6.2" diag.
22 : 9
2.4" diag.
4 : 3
Display Resolution & Type 320 x 320 pixels
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
876 x 2142 pixels
(~373 ppi)
AMOLED
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz ?
Battery 1,500 mAh 800 mAh 2,800 mAh 900 mAh
Processor 528 MHz Qualcomm MSM7501a ? Qualcomm Snapdragon 765G ?
RAM ? ? 8 GB ?
Storage ? raw hardware ? raw hardware 256 GB ? raw hardware
Main Camera 2 megapixel 1 megapixel 48 megapixel 1 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture ? QCIF (176 x 144) 4K UHD ?
Front Camera - - 20 megapixel -
Weight 4.69 oz
(133g)
3.17 oz
(90g)
6.77 oz
(192g)
3.53 oz
(100g)
Dimensions 4.49" x 2.36" x 0.53"
(114 x 60 x 13.5 mm)
3.37" x 1.78" x 0.93"
(86 x 45 x 23.6 mm)
3.61" x 2.86" x 0.63"
(92 x 73 x 16 mm)
4.3" x 1.9" x 0.6"
(109 x 48 x 15.2 mm)
Form Factor Slab Clamshell Clamshell Slab
Platform / OS Windows Mobile Professional (proprietary) Android (proprietary)
Network Bands

CDMA: 850, 1900

GSM: 900, 1800, 1900

5G: 2, 5, 25, 41, 66, 71, 78

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1700, 1900

Data Technology EVDO rA GPRS NR (5G) 1xRTT
Features 
Barometer - - Yes -
Fingerprint Reader - - Yes
stand-alone
-
Flashlight - - Yes -
GPS / Location n/a - n/a Yes
Water-Resistant - - Yes -
Accessibility
Adjustable Text Size n/a - n/a -
Hearing Aid Compatible Yes
M3, T3 (mostly tele-coil compatible)
- Yes
M4, T4 (very tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Multiple Languages n/a Yes n/a Yes
TTY/TDD (Digital) Yes - Yes Yes
Alerts
Extra Display - Yes Yes -
Connectivity
Bluetooth Yes Yes Yes Yes
Infrared (IR) Yes - - -
NFC - - Yes -
USB Yes
Micro-USB
Yes Yes
USB Type C
Yes
Micro-USB
Wi-Fi Yes
802.11 b,g
- Yes
5 (802.11 ac,b,g,n)
-
Contacts
Picture ID n/a Yes n/a -
Ringer ID n/a Yes n/a Yes
Voice Dialing n/a - n/a -
Customization
Custom Graphics n/a Yes n/a Yes
Custom Ringtones n/a Yes n/a Yes
Real-Music Ringers n/a Yes n/a Yes
Data & Network
Data Tethering n/a - n/a -
Dual-SIM - - Yes -
WAP / Web Browser n/a Yes n/a Yes
Input
Predictive Text Entry n/a Yes n/a Yes
Side Keys Yes Yes Yes Yes
Stylus Yes - - -
Text Keyboard, Hardware Yes - - -
Touch Screen Yes
Resistive
- Yes
Capacitive
-
Memory
Memory Card Slot Yes - - Yes
Messaging
Email Client n/a Yes n/a Yes
EMS / Picture Messaging n/a Yes n/a -
Instant Messaging n/a - n/a Yes
MMS n/a Yes n/a Yes
Text Messaging Templates n/a Yes n/a Yes
Music
Headphone Jack (3.5mm) Yes - - Yes
Music Player n/a Yes n/a Yes
Power
Fast Charging - - Yes -
Productivity
Alarm n/a Yes n/a Yes
Calculator n/a Yes n/a Yes
Calendar n/a Yes n/a Yes
To-Do List n/a Yes n/a -
Voice Memo n/a Yes n/a Yes
Software
BREW n/a - n/a Yes
Games n/a Yes n/a Yes
Java (J2ME) n/a Yes n/a -
Voice
HD Voice - - Yes -
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Palm Treo Pro (CDMA) Samsung SGH-E640 Motorola razr (2020) ZTE Agent
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Phone Palm Treo Pro (CDMA) Samsung SGH-E640 Motorola razr (2020) ZTE Agent

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