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Phone Sharp Z-800 (Audiovox 7900) Sanyo SCP-6400 Samsung Sidekick 4G Samsung Galaxy S23 Nokia XR21
Current U.S. Carriers (none) (none) (none) US Cellular
Verizon
Xfinity Mobile
(none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 3.5" diag.
5 : 3
6.1" diag.
19.5 : 9
6.5" diag.
20 : 9
Display Resolution & Type ?
LCD (Color)
128 x 120 pixels
LCD (Grayscale)
480 x 800 pixels
(~267 ppi)
LCD (TFT/TFD)
1080 x 2340 pixels
(~422 ppi)
AMOLED
1080 x 2400 pixels
(~406 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz 120 Hz 60 Hz
Battery ? ? ? 3,900 mAh 4,800 mAh
Processor ? ? 1 GHz Samsung Hummingbird Cortex A8 3.4 GHz Snapdragon 8 Gen 2 for Galaxy Snapdragon 695
RAM ? ? ? 8 GB 6 GB
Storage ? raw hardware ? raw hardware ? raw hardware 128 GB * 128 GB
Main Camera - - 3 megapixel 50 megapixel 64 megapixel
Wide Camera - - - 12 megapixel 8 megapixel
Tele Camera - - - 10 megapixel -
Video Capture - - WVGA / 480p 8K 1080p HD
Front Camera - - Yes 12 megapixel 16 megapixel
Weight 4.25 oz
(120g)
2.65 oz
(75g)
5.7 oz
(162g)
5.93 oz
(168g)
8.16 oz
(231g)
Dimensions 3.6" x 2" x 1.1"
(91 x 51 x 27.9 mm)
5.07" x 1.54" x 0.46"
(129 x 39 x 11.7 mm)
5" x 2.42" x 0.6"
(127 x 61 x 15.2 mm)
5.76" x 2.79" x 0.3"
(146 x 71 x 7.6 mm)
6.61" x 3.09" x 0.41"
(168 x 78 x 10.4 mm)
Form Factor Clamshell Slab Slide Slab Slab
Platform / OS (proprietary) (proprietary) Android Android Android
Network Bands

CDMA: 850, 1900

AMPS: 850

CDMA: 1900

AMPS: 850

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

5G: 1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 29, 30, 38, 41, 48, 66, 71, 77-A, 77-C, 78, 257, 258, 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

GSM: 850, 900, 1800, 1900

5G: 1, 2, 3, 5, 7, 20, 25, 28, 40, 41, 66, 71, 77-C, 78, 79, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 32, 38, 39, 40, 41, 42, 43, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology - 1xRTT HSPA+ 21 NR (5G) NR (5G)
Features 
Barometer - - - Yes Yes
Fingerprint Reader - - - Yes
in-display (ultrasonic)
Yes
stand-alone
Flashlight - - - Yes Yes
GPS / Location - Yes n/a n/a n/a
Ruggedized - - - - Yes
Water-Resistant - - - Yes
IPX8 (SCUBA)
Yes
IPX8 (SCUBA)
Accessibility
Hearing Aid Compatible - - Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Multiple Languages - Yes n/a n/a n/a
TTY/TDD (Digital) - Yes Yes Yes -
Connectivity
Bluetooth - - Yes Yes Yes
Mobile Hotspot - - n/a n/a n/a
NFC - - - Yes Yes
USB - - Yes
Micro-USB
Yes
USB Type C
Yes
USB Type C
Wi-Fi - - Yes
4 (802.11 b,g,n)
Yes
6E (802.11 a,ac,ax,b,g,n)
Yes
6 (802.11 a,ac,ax,b,g,n)
Contacts
Picture ID Yes Yes n/a n/a n/a
Ringer ID Yes Yes n/a n/a n/a
Voice Dialing - Yes n/a n/a n/a
Customization
Custom Graphics Yes Yes n/a n/a n/a
Custom Ringtones Yes Yes n/a n/a n/a
Real-Music Ringers - - n/a n/a n/a
Data & Network
Data Tethering Yes Yes n/a n/a n/a
Dual-SIM - - - - Yes
WAP / Web Browser Yes Yes n/a n/a n/a
Input
Predictive Text Entry Yes Yes n/a n/a n/a
Side Keys Yes - Yes Yes Yes
Text Keyboard, Hardware - - Yes - -
Touch Screen - - Yes Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot - - Yes - -
Messaging
Email Client - - n/a n/a n/a
Instant Messaging - - n/a n/a n/a
MMS - - n/a n/a n/a
Text Messaging Templates Yes - n/a n/a n/a
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) - - Yes - Yes
Music Player - - n/a n/a n/a
Stereo Speakers - - - Yes -
Photo & Video
DLNA - - Yes - -
Power
Fast Charging - - - Yes Yes
Wireless Charging - - - Yes -
Productivity
Alarm Yes Yes n/a n/a n/a
Calculator - Yes n/a n/a n/a
Calendar - Yes n/a n/a n/a
To-Do List - Yes n/a n/a n/a
Voice Memo - Yes n/a n/a n/a
Software
BREW Yes - n/a n/a n/a
Games Yes Yes n/a n/a n/a
Java (J2ME) - Yes n/a n/a n/a
Voice
Call Screening - Yes - - -
HD Voice - - - Yes -
Headset Jack (2.5 mm) Yes Yes n/a n/a n/a
Speaker Phone - - Yes Yes Yes
  Sharp Z-800 (Audiovox 7900) Sanyo SCP-6400 Samsung Sidekick 4G Samsung Galaxy S23 Nokia XR21
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Sharp Z-800 (Audiovox 7900) Sanyo SCP-6400 Samsung Sidekick 4G Samsung Galaxy S23 Nokia XR21

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