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Phone Samsung SGH-X640 Samsung Galaxy Note20 Ultra BlackBerry Key2 Samsung SCH-A990 Samsung Transform Ultra
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 6.9" diag.
19.5 : 9
4.5" diag.
5 : 3
? 3.5" diag.
5 : 3
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
1440 x 3088 pixels
(~494 ppi)
AMOLED
1080 x 1620 pixels
(~433 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
320 x 480 pixels
(~165 ppi)
LCD (TFT/TFD)
Display Refresh ? 120 Hz 60 Hz ? 60 Hz
Battery 800 mAh 4,500 mAh 3,500 mAh 1,000 mAh 1,500 mAh
Processor ? 3.1 GHz Qualcomm Snapdragon 865+ 2.2 GHz Qualcomm Snapdragon 660 ? 1 GHz Qualcomm Snapdragon S2 MSM8655
RAM ? 12 GB 6 GB ? ?
Storage ? raw hardware 128 GB * 64 GB * ? raw hardware ? raw hardware
Main Camera Yes 108 megapixel 12 megapixel 3 megapixel 3 megapixel
Wide Camera - 12 megapixel - - -
Tele Camera - 12 megapixel 12 megapixel - -
Video Capture - 8K 4K UHD ? VGA (640 x 480)
Front Camera - 10 megapixel 8 megapixel - Yes
Weight 3 oz
(85g)
7.34 oz
(208g)
5.93 oz
(168g)
4.4 oz
(125g)
4.9 oz
(139g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
6.49" x 3.04" x 0.32"
(165 x 77 x 8.1 mm)
5.96" x 2.82" x 0.33"
(151 x 72 x 8.4 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
4.5" x 2.4" x 0.55"
(114 x 61 x 14 mm)
Form Factor Clamshell Slab Slab Clamshell Slide
Platform / OS (proprietary) Android Android (proprietary) Android
Network Bands

GSM: 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

*

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 28, 29, 30, 38, 40, 41, 66

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

CDMA: 800, 850, 1900

Data Technology GPRS NR (5G) LTE (Cat 11) EVDO r0 EVDO rA
Features 
Barometer - Yes - - -
Fingerprint Reader - Yes
in-display (ultrasonic)
Yes
stand-alone
- -
Flashlight - Yes Yes Yes -
GPS / Location - n/a n/a Yes n/a
Water-Resistant - Yes
IPX8 (SCUBA)
- - -
Accessibility
Hearing Aid Compatible - Yes Yes Yes Yes
Multiple Languages Yes n/a n/a Yes n/a
TTY/TDD (Digital) - Yes Yes Yes Yes
Alerts
Extra Display - - - Yes -
Connectivity
Bluetooth - Yes Yes Yes Yes
Mobile Hotspot - n/a n/a - n/a
NFC - Yes Yes - -
USB - Yes
USB Type C
Yes
USB Type C
Yes Yes
UWB - Yes - - -
Wi-Fi - Yes
6 (802.11 a,ac,ax,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
- Yes
4 (802.11 a,b,g,n)
Contacts
Picture ID Yes n/a n/a Yes n/a
Ringer ID Yes n/a n/a Yes n/a
Voice Dialing - n/a n/a Yes n/a
Customization
Custom Graphics Yes n/a n/a Yes n/a
Custom Ringtones Yes n/a n/a Yes n/a
Real-Music Ringers - n/a n/a Yes n/a
Data & Network
Data Tethering - n/a n/a Yes n/a
WAP / Web Browser Yes n/a n/a Yes n/a
Input
Predictive Text Entry Yes n/a n/a Yes n/a
Side Keys Yes Yes Yes Yes Yes
Stylus - Yes - - -
Text Keyboard, Hardware - - Yes - Yes
Touch Screen - Yes Yes - Yes
Memory
Memory Card Slot - Yes Yes Yes Yes
Messaging
Email Client - n/a n/a - n/a
EMS / Picture Messaging Yes n/a n/a Yes n/a
Instant Messaging - n/a n/a - n/a
MMS Yes n/a n/a Yes n/a
Text Messaging Templates Yes n/a n/a Yes n/a
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) - - Yes - Yes
Music Player - n/a n/a Yes n/a
Stereo Speakers - Yes - Yes -
Photo & Video
TV Output - Yes Yes Yes -
Power
Fast Charging - Yes Yes - -
Wireless Charging - Yes - - -
Productivity
Alarm Yes n/a n/a Yes n/a
Calculator Yes n/a n/a Yes n/a
Calendar Yes n/a n/a Yes n/a
To-Do List Yes n/a n/a - n/a
Voice Memo Yes n/a n/a Yes n/a
Software
BREW - n/a n/a Yes n/a
Games Yes n/a n/a Yes n/a
Java (J2ME) Yes n/a n/a - n/a
Voice
HD Voice - Yes Yes - -
Headset Jack (2.5 mm) Yes n/a n/a - n/a
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SGH-X640 Samsung Galaxy Note20 Ultra BlackBerry Key2 Samsung SCH-A990 Samsung Transform Ultra
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 Samsung Galaxy Note20 Ultra BlackBerry Key2 Samsung SCH-A990 Samsung Transform Ultra

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