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Phone Samsung SGH-X640 Samsung Glyde U940 Samsung Galaxy Note20 BlackBerry 7750
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? 2.8" diag.
16.5 : 9
6.7" diag.
20 : 9
?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
240 x 440 pixels
(~182 ppi)
LCD (TFT/TFD)
1080 x 2400 pixels
(~393 ppi)
AMOLED
240 x 240 pixels
LCD (Color)
Display Refresh ? ? 60 Hz ?
Battery 800 mAh 1,000 mAh 4,300 mAh ?
Processor ? ? 3.1 GHz Qualcomm Snapdragon 865+ ?
RAM ? ? 8 GB ?
Storage ? raw hardware ? raw hardware 128 GB ? raw hardware
Main Camera Yes 2 megapixel 12 megapixel -
Wide Camera - - 12 megapixel -
Tele Camera - - 64 megapixel -
Video Capture - QVGA (320 x 240) 8K -
Front Camera - - 10 megapixel -
Weight 3 oz
(85g)
4.2 oz
(119g)
6.84 oz
(194g)
5.01 oz
(142g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
4.09" x 1.98" x 0.71"
(104 x 50 x 18 mm)
6.36" x 2.96" x 0.33"
(162 x 75 x 8.3 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
Form Factor Clamshell Slide Slab Slab
Platform / OS (proprietary) (proprietary) Android BlackBerry OS
Network Bands

GSM: 900, 1800, 1900

CDMA: 850, 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

*

CDMA: 850, 1900

Data Technology GPRS EVDO r0 NR (5G) 1xRTT
Features 
Barometer - - Yes -
Fingerprint Reader - - Yes
in-display (ultrasonic)
-
Flashlight - - Yes -
GPS / Location - Yes n/a n/a
Water-Resistant - - Yes
IPX8 (SCUBA)
-
Accessibility
Hearing Aid Compatible - Yes
M4 (very compatible)
Yes
M3, T3 (mostly tele-coil compatible)
-
Multiple Languages Yes Yes n/a n/a
TTY/TDD (Digital) - Yes Yes Yes
Alerts
Ringer Profiles - - - Yes
Connectivity
Bluetooth - Yes Yes -
NFC - - Yes -
USB - Yes Yes
USB Type C
Yes
Wi-Fi - - Yes
6 (802.11 a,ac,ax,b,g,n)
-
Contacts
Picture ID Yes Yes n/a n/a
Ringer ID Yes Yes n/a n/a
Voice Dialing - Yes n/a n/a
Customization
Custom Graphics Yes Yes n/a n/a
Custom Ringtones Yes Yes n/a n/a
Real-Music Ringers - Yes n/a n/a
Data & Network
Data Tethering - Yes n/a n/a
WAP / Web Browser Yes Yes n/a n/a
Input
Predictive Text Entry Yes Yes n/a n/a
Side Keys Yes Yes Yes Yes
Stylus - - Yes -
Text Keyboard, Hardware - Yes - Yes
Touch Screen - Yes Yes
Capacitive
-
Memory
Memory Card Slot - Yes - -
Messaging
Email Client - - n/a n/a
EMS / Picture Messaging Yes - n/a n/a
MMS Yes Yes n/a n/a
Text Messaging Templates Yes Yes n/a n/a
Music
Music Player - Yes n/a n/a
Stereo Speakers - - Yes -
Photo & Video
TV Output - - Yes -
Power
Fast Charging - - Yes -
Wireless Charging - - Yes -
Productivity
Alarm Yes Yes n/a n/a
Calculator Yes Yes n/a n/a
Calendar Yes Yes n/a n/a
To-Do List Yes - n/a n/a
Voice Memo Yes - n/a n/a
Software
BREW - Yes n/a n/a
Games Yes Yes n/a n/a
Java (J2ME) Yes - n/a n/a
Voice
HD Voice - - Yes -
Headset Jack (2.5 mm) Yes Yes n/a n/a
Speaker Phone Yes Yes Yes -
  Samsung SGH-X640 Samsung Glyde U940 Samsung Galaxy Note20 BlackBerry 7750
  X > < X > < X > < X

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Phone Samsung SGH-X640 Samsung Glyde U940 Samsung Galaxy Note20 BlackBerry 7750

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