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Phone Kyocera Oystr KX9d / KX9e Sony Xperia XZ1 Samsung Galaxy S21 BlackBerry 7750 Motorola i275
Current U.S. Carriers (none) (none) Verizon (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 5.2" diag.
16 : 9
6.2" diag.
20 : 9
? ?
Display Resolution & Type 128 x 128 pixels
LCD (STN)
1080 x 1920 pixels
(~424 ppi)
LCD (TFT/TFD)
1080 x 2400 pixels
(~424 ppi)
AMOLED
240 x 240 pixels
LCD (Color)
128 x 128 pixels
LCD (Color)
Display Refresh ? 60 Hz 120 Hz ? ?
Battery 870 mAh 2,700 mAh 4,000 mAh ? 750 mAh
Processor ? 2.5 GHz Qualcomm Snapdragon 835 (MSM8998) 2.8 GHz Qualcomm Snapdragon 888 ? ?
RAM ? 4 GB 8 GB ? ?
Storage ? raw hardware 64 GB 128 GB * ? raw hardware ? raw hardware
Main Camera - 19 megapixel 12 megapixel - Yes
Wide Camera - - 12 megapixel - -
Tele Camera - - 64 megapixel - -
Video Capture - 4K UHD 8K - -
Front Camera - 13 megapixel 10 megapixel - -
Weight 3.5 oz
(99g)
5.5 oz
(156g)
6.03 oz
(171g)
5.01 oz
(142g)
4.6 oz
(130g)
Dimensions 3.46" x 1.88" x 0.98"
(88 x 48 x 24.9 mm)
5.82" x 2.89" x 0.29"
(148 x 73 x 7.4 mm)
5.97" x 2.8" x 0.31"
(152 x 71 x 7.9 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
4.8" x 1.93" x 0.98"
(122 x 49 x 24.9 mm)
Form Factor Clamshell Slab Slab Slab Slab
Platform / OS (proprietary) Android Android BlackBerry OS (proprietary)
Network Bands

CDMA: 1900

*

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 29, 40, 41, 66

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

5G: 2, 5, 12, 25, 30, 41, 66, 71, 77-C, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

iDEN: 800

Data Technology 1xRTT LTE (Cat 16) NR (5G) 1xRTT -
Features 
Barometer - Yes Yes - -
Fingerprint Reader - Yes *
stand-alone
Yes
in-display (ultrasonic)
- -
Flashlight - Yes Yes - -
GPS / Location Yes n/a n/a n/a Yes
Water-Resistant - Yes
IPX8 (SCUBA)
Yes
IPX8 (SCUBA)
- -
Accessibility
Hearing Aid Compatible Yes
M4 (very compatible)
Yes
M4, T4 (very tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
- -
Multiple Languages Yes n/a n/a n/a Yes
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Ringer Profiles - - - Yes Yes
Connectivity
Bluetooth - Yes Yes - -
NFC - Yes Yes - -
USB Yes Yes
USB Type C
Yes
USB Type C
Yes -
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
Yes
6 (802.11 a,ac,ax,b,g,n)
- -
Contacts
Picture ID Yes n/a n/a n/a -
Ringer ID Yes n/a n/a n/a Yes
Voice Dialing Yes n/a n/a n/a Yes
Customization
Custom Graphics Yes n/a n/a n/a Yes
Custom Ringtones Yes n/a n/a n/a Yes
Real-Music Ringers Yes * n/a n/a n/a -
Data & Network
Data Tethering - n/a n/a n/a Yes
Dual-SIM - Yes * - - -
WAP / Web Browser Yes * n/a n/a n/a Yes
Input
Predictive Text Entry Yes n/a n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes -
Touch Screen - Yes
Capacitive
Yes
Capacitive
- -
Memory
Memory Card Slot - Yes - - -
Messaging
Email Client - n/a n/a n/a -
EMS / Picture Messaging Yes n/a n/a n/a -
MMS - n/a n/a n/a Yes
Text Messaging Templates Yes n/a n/a n/a Yes
Music
Headphone Jack (3.5mm) - Yes - - -
Stereo Speakers - Yes Yes - -
Photo & Video
DLNA - Yes - - -
Miracast - Yes - - -
TV Output - - Yes - -
Power
Fast Charging - Yes Yes - -
Wireless Charging - - Yes - -
Productivity
Alarm Yes n/a n/a n/a -
Calculator Yes n/a n/a n/a -
Calendar Yes n/a n/a n/a Yes
To-Do List - n/a n/a n/a -
Voice Memo Yes n/a n/a n/a Yes
Software
BREW Yes * n/a n/a n/a -
Games Yes n/a n/a n/a Yes
Java (J2ME) Yes * n/a n/a n/a Yes
Voice
HD Voice - Yes Yes - -
Headset Jack (2.5 mm) Yes n/a n/a n/a Yes
Push-To-Talk - - - - Yes
Speaker Phone Yes Yes Yes - Yes
  * Some versions only
  Kyocera Oystr KX9d / KX9e Sony Xperia XZ1 Samsung Galaxy S21 BlackBerry 7750 Motorola i275
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Kyocera Oystr KX9d / KX9e Sony Xperia XZ1 Samsung Galaxy S21 BlackBerry 7750 Motorola i275

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