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Phone BlackBerry 7750 Samsung SCH-A990 Samsung Galaxy Note20 AT&T Vista
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? ? 6.7" diag.
20 : 9
5.5" diag.
18 : 9
Display Resolution & Type 240 x 240 pixels
LCD (Color)
240 x 320 pixels
LCD (TFT/TFD)
1080 x 2400 pixels
(~393 ppi)
AMOLED
720 x 1440 pixels
(~293 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz 60 Hz
Battery ? 1,000 mAh 4,300 mAh 2,450 mAh
Processor ? ? 3.1 GHz Qualcomm Snapdragon 865+ 2 GHz MediaTek Helio A22 (MT6761V)
RAM ? ? 8 GB 3 GB
Storage ? raw hardware ? raw hardware 128 GB 32 GB
Main Camera - 3 megapixel 12 megapixel 8 megapixel
Wide Camera - - 12 megapixel -
Tele Camera - - 64 megapixel -
Video Capture - ? 8K 1080p HD
Front Camera - - 10 megapixel 5 megapixel
Weight 5.01 oz
(142g)
4.4 oz
(125g)
6.84 oz
(194g)
5.51 oz
(156g)
Dimensions 4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
6.36" x 2.96" x 0.33"
(162 x 75 x 8.3 mm)
5.88" x 2.82" x 0.35"
(149 x 72 x 8.9 mm)
Form Factor Slab Clamshell Slab Slab
Platform / OS BlackBerry OS (proprietary) Android Android
Network Bands

CDMA: 850, 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

*

4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30

WCDMA: 1, 2, 4, 5, 8

Data Technology 1xRTT EVDO r0 NR (5G) LTE (Cat 4)
Features 
Barometer - - Yes -
Fingerprint Reader - - Yes
in-display (ultrasonic)
-
Flashlight - Yes Yes Yes
GPS / Location n/a Yes n/a n/a
Water-Resistant - - Yes
IPX8 (SCUBA)
-
Accessibility
Hearing Aid Compatible - Yes
M3 (mostly compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Multiple Languages n/a Yes n/a n/a
TTY/TDD (Digital) Yes Yes Yes -
Alerts
Extra Display - Yes - -
Ringer Profiles Yes - - -
Connectivity
Bluetooth - Yes Yes Yes
NFC - - Yes -
USB Yes Yes Yes
USB Type C
Yes
USB Type C
Wi-Fi - - Yes
6 (802.11 a,ac,ax,b,g,n)
Yes
Contacts
Picture ID n/a Yes n/a n/a
Ringer ID n/a Yes n/a n/a
Voice Dialing n/a Yes n/a n/a
Customization
Custom Graphics n/a Yes n/a n/a
Custom Ringtones n/a Yes n/a n/a
Real-Music Ringers n/a Yes n/a n/a
Data & Network
Data Tethering n/a Yes n/a n/a
WAP / Web Browser n/a Yes n/a n/a
Input
Predictive Text Entry n/a Yes n/a n/a
Side Keys Yes Yes Yes Yes
Stylus - - Yes -
Text Keyboard, Hardware Yes - - -
Touch Screen - - Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot - Yes - Yes
Messaging
Email Client n/a - n/a n/a
EMS / Picture Messaging n/a Yes n/a n/a
MMS n/a Yes n/a n/a
Text Messaging Templates n/a Yes n/a n/a
Music
Headphone Jack (3.5mm) - - - Yes
Music Player n/a Yes n/a n/a
Stereo Speakers - Yes Yes -
Photo & Video
TV Output - Yes Yes -
Power
Fast Charging - - Yes -
Wireless Charging - - Yes -
Productivity
Alarm n/a Yes n/a n/a
Calculator n/a Yes n/a n/a
Calendar n/a Yes n/a n/a
To-Do List n/a - n/a n/a
Voice Memo n/a Yes n/a n/a
Software
BREW n/a Yes n/a n/a
Games n/a Yes n/a n/a
Java (J2ME) n/a - n/a n/a
Voice
HD Voice - - Yes Yes
Headset Jack (2.5 mm) n/a - n/a n/a
Speaker Phone - Yes Yes Yes
  BlackBerry 7750 Samsung SCH-A990 Samsung Galaxy Note20 AT&T Vista
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone BlackBerry 7750 Samsung SCH-A990 Samsung Galaxy Note20 AT&T Vista

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