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Phone TCL 20 Pro 5G Samsung SGH-X640 Sony Ericsson K850 HTC Desire 555
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 6.7" diag.
20 : 9
? 2.2" diag.
4 : 3
5" diag.
16 : 9
Display Resolution & Type 1080 x 2400 pixels
(~395 ppi)
AMOLED
128 x 160 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~294 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? 60 Hz
Battery 4,500 mAh 800 mAh ? 2,200 mAh
Processor 2 GHz Qualcomm Snapdragon 750G ? ? 1.1 GHz Qualcomm Snapdragon 210 (MSM8909)
RAM 6 GB ? ? 2 GB
Storage 256 GB ? raw hardware ? raw hardware 16 GB
Main Camera 48 megapixel Yes 5 megapixel 8 megapixel
Wide Camera 16 megapixel - - -
Tele Camera - - - -
Video Capture 4K UHD - ? 720p HD
Front Camera 32 megapixel - - 5 megapixel
Weight 6.82 oz
(193g)
3 oz
(85g)
4.2 oz
(119g)
4.93 oz
(140g)
Dimensions 6.46" x 2.87" x 0.36"
(164 x 73 x 9.1 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
4" x 1.9" x 0.7"
(102 x 48 x 17.8 mm)
5.78" x 2.79" x 0.33"
(147 x 71 x 8.4 mm)
Form Factor Slab Clamshell Slab Slab
Platform / OS Android (proprietary) (proprietary) Android
Network Bands

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

GSM: 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology NR (5G) GPRS HSDPA 3.6 LTE (Cat 4)
Features 
Barometer Yes - - -
Fingerprint Reader Yes
in-display (optical)
- - -
Flashlight Yes - - Yes
Water-Resistant Yes
IPX2 (drip)
- - -
Accessibility
Hearing Aid Compatible Yes
M4, T4 (very tele-coil compatible)
- - Yes *
M4, T4 (very tele-coil compatible)
Multiple Languages n/a Yes Yes n/a
TTY/TDD (Digital) Yes - Yes Yes
Alerts
Ringer Profiles - - Yes -
Connectivity
Bluetooth Yes - Yes Yes
Infrared (IR) Yes - - -
NFC Yes - - -
USB Yes
USB Type C
- Yes Yes
Micro-USB
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
- - Yes
4 (802.11 b,g,n)
Contacts
Picture ID n/a Yes Yes n/a
Ringer ID n/a Yes Yes n/a
Voice Dialing n/a - Yes 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 - Yes n/a
WAP / Web Browser n/a Yes Yes n/a
Input
Predictive Text Entry n/a Yes Yes n/a
Side Keys Yes Yes Yes Yes
Touch Screen Yes
Capacitive
- - Yes
Capacitive
Memory
Memory Card Slot Yes - Yes Yes
Messaging
Email Client n/a - Yes n/a
EMS / Picture Messaging n/a Yes - n/a
MMS n/a Yes Yes n/a
Text Messaging Templates n/a Yes Yes n/a
Music
FM Radio Yes - Yes Yes
Headphone Jack (3.5mm) Yes - - Yes
Music Player n/a - Yes n/a
Photo & Video
DLNA - - - Yes
Miracast - - - Yes
Video Calling n/a - Yes * n/a
Power
Fast Charging Yes - - -
Wireless 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 Yes n/a
Voice Memo n/a Yes Yes n/a
Software
Games n/a Yes Yes n/a
Java (J2ME) n/a Yes Yes n/a
Voice
HD Voice Yes - - Yes
Headset Jack (2.5 mm) n/a Yes - n/a
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  TCL 20 Pro 5G Samsung SGH-X640 Sony Ericsson K850 HTC Desire 555
  X > < X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone TCL 20 Pro 5G Samsung SGH-X640 Sony Ericsson K850 HTC Desire 555

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