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Phone HTC Desire 555 Sony Ericsson Z550a Palm Treo Pro (GSM) Samsung Galaxy Note20 TCL 20 Pro 5G
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 5" diag.
16 : 9
1.9" diag.
4 : 3
? 6.7" diag.
20 : 9
6.7" diag.
20 : 9
Display Resolution & Type 720 x 1280 pixels
(~294 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~148 ppi)
LCD (TFT/TFD)
320 x 320 pixels
LCD (TFT/TFD)
1080 x 2400 pixels
(~393 ppi)
AMOLED
1080 x 2400 pixels
(~395 ppi)
AMOLED
Display Refresh 60 Hz ? ? 60 Hz 60 Hz
Battery 2,200 mAh ? 1,500 mAh 4,300 mAh 4,500 mAh
Processor 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) ? 400 MHz MSM7201 3.1 GHz Qualcomm Snapdragon 865+ 2 GHz Qualcomm Snapdragon 750G
RAM 2 GB ? ? 8 GB 6 GB
Storage 16 GB ? raw hardware ? raw hardware 128 GB 256 GB
Main Camera 8 megapixel 1 megapixel 2 megapixel 12 megapixel 48 megapixel
Wide Camera - - - 12 megapixel 16 megapixel
Tele Camera - - - 64 megapixel -
Video Capture 720p HD ? ? 8K 4K UHD
Front Camera 5 megapixel - - 10 megapixel 32 megapixel
Weight 4.93 oz
(140g)
3.26 oz
(92g)
4.69 oz
(133g)
6.84 oz
(194g)
6.82 oz
(193g)
Dimensions 5.78" x 2.79" x 0.33"
(147 x 71 x 8.4 mm)
3.43" x 1.77" x 0.79"
(87 x 45 x 20.1 mm)
4.49" x 2.36" x 0.53"
(114 x 60 x 13.5 mm)
6.36" x 2.96" x 0.33"
(162 x 75 x 8.3 mm)
6.46" x 2.87" x 0.36"
(164 x 73 x 9.1 mm)
Form Factor Slab Clamshell Slab Slab Slab
Platform / OS Android (proprietary) Windows Mobile Professional Android Android
Network Bands

4G LTE: 2, 4, 5, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

GSM: 850, 900, 1800, 1900

*

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

5G: 2, 5, 12, 25, 41, 66, 71, 260, 261

4G LTE: 2, 4, 5, 7, 12, 13, 14, 25, 26, 29, 30, 38, 41, 46, 48, 66, 71

WCDMA: 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

5G: 2, 5, 7, 41, 66, 71, 78

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

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 4) GPRS HSDPA 3.6 NR (5G) NR (5G)
Features 
Barometer - - - Yes Yes
Fingerprint Reader - - - Yes
in-display (ultrasonic)
Yes
in-display (optical)
Flashlight Yes - - Yes Yes
GPS / Location n/a - n/a n/a n/a
Water-Resistant - - - Yes
IPX8 (SCUBA)
Yes
IPX2 (drip)
Accessibility
Hearing Aid Compatible Yes * - - Yes Yes
Multiple Languages n/a Yes n/a n/a n/a
TTY/TDD (Digital) Yes Yes - Yes Yes
Alerts
Extra Display - Yes - - -
Ringer Profiles - Yes - - -
Connectivity
Bluetooth Yes
Classic Audio
Yes Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - - - Yes
NFC - - - Yes Yes
USB Yes
Micro-USB
Yes Yes
Micro-USB
Yes
USB Type C
Yes
USB Type C
Wi-Fi Yes
4 (802.11 b,g,n)
- Yes
802.11 b,g
Yes
6 (802.11 a,ac,ax,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID n/a Yes n/a n/a n/a
Ringer ID n/a Yes n/a n/a n/a
Voice Dialing n/a Yes n/a n/a n/a
Customization
Custom Graphics n/a Yes n/a n/a n/a
Custom Ringtones n/a Yes n/a n/a n/a
Real-Music Ringers n/a Yes n/a n/a n/a
Data & Network
Data Tethering n/a Yes n/a n/a n/a
WAP / Web Browser n/a Yes n/a n/a n/a
Input
Predictive Text Entry n/a Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Stylus - - Yes Yes -
Text Keyboard, Hardware - - Yes - -
Touch Screen Yes - Yes Yes Yes
Memory
Memory Card Slot Yes Yes Yes - Yes
Messaging
Email Client n/a Yes n/a n/a n/a
Instant Messaging n/a - n/a n/a n/a
MMS n/a Yes n/a n/a n/a
Text Messaging Templates n/a Yes n/a n/a n/a
Music
FM Radio Yes Yes - - Yes
Headphone Jack (3.5mm) Yes - Yes - Yes
Music Player n/a Yes n/a n/a n/a
Stereo Speakers - - - Yes -
Photo & Video
DLNA Yes - - - -
Miracast Yes - - - -
TV Output - - - Yes -
Power
Fast Charging - - - Yes Yes
Wireless Charging - - - Yes Yes
Productivity
Alarm n/a Yes n/a n/a n/a
Calculator n/a Yes n/a n/a n/a
Calendar n/a Yes n/a n/a n/a
To-Do List n/a Yes n/a n/a n/a
Voice Memo n/a Yes n/a n/a n/a
Software
Games n/a Yes n/a n/a n/a
Java (J2ME) n/a Yes n/a n/a n/a
Voice
HD Voice Yes - - Yes Yes
Push-To-Talk - Yes * - - -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  HTC Desire 555 Sony Ericsson Z550a Palm Treo Pro (GSM) Samsung Galaxy Note20 TCL 20 Pro 5G
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone HTC Desire 555 Sony Ericsson Z550a Palm Treo Pro (GSM) Samsung Galaxy Note20 TCL 20 Pro 5G

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