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Phone Audiovox CDM-8940 Samsung Galaxy S6 (GSM) Samsung Galaxy S21 Samsung SPH-A660 / VI660 ZTE Blade Z Max
Current U.S. Carriers (none) (none) Verizon (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 5.1" diag.
16 : 9
6.2" diag.
20 : 9
? 6" diag.
16 : 9
Display Resolution & Type 176 x 220 pixels
LCD (TFT/TFD)
1440 x 2560 pixels
(~576 ppi)
AMOLED
1080 x 2400 pixels
(~424 ppi)
AMOLED
128 x 160 pixels
LCD (Color)
1080 x 1920 pixels
(~367 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz 120 Hz ? 60 Hz
Battery 1,100 mAh 2,550 mAh 4,000 mAh ? 4,080 mAh
Processor ? 2.1 GHz Samsung Exynos 7420 2.8 GHz Qualcomm Snapdragon 888 ? 1.4 GHz Qualcomm Snapdragon 435 (MSM8940)
RAM ? 3 GB 8 GB ? 2 GB
Storage ? raw hardware 32 GB * 128 GB * ? raw hardware 32 GB
Main Camera 1 megapixel 16 megapixel 12 megapixel - 16 megapixel
Wide Camera - - 12 megapixel - -
Tele Camera - - 64 megapixel - -
Video Capture ? 4K UHD 8K - 1080p HD
Front Camera - 5 megapixel 10 megapixel - 8 megapixel
Weight 3.89 oz
(110g)
4.87 oz
(138g)
6.03 oz
(171g)
3.54 oz
(100g)
6.58 oz
(186g)
Dimensions 3.56" x 1.82" x 0.92"
(90 x 46 x 23.4 mm)
5.65" x 2.78" x 0.27"
(143 x 71 x 6.8 mm)
5.97" x 2.8" x 0.31"
(152 x 71 x 7.9 mm)
3.3" x 1.8" x 0.87"
(84 x 46 x 22.1 mm)
6.51" x 3.28" x 0.33"
(165 x 83 x 8.3 mm)
Form Factor Clamshell Slab Slab Clamshell Slab
Platform / OS (proprietary) Android Android (proprietary) Android
Network Bands

CDMA: 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 29, 30

WCDMA: 1, 2, 5

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

AMPS: 850

4G LTE: 2, 4, 5, 12, 66

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology EVDO r0 LTE (Cat 6) NR (5G) 1xRTT LTE (Cat 6)
Features 
Barometer - - Yes - -
Fingerprint Reader - Yes Yes
in-display (ultrasonic)
- Yes
stand-alone
Flashlight Yes Yes Yes - Yes
GPS / Location Yes n/a n/a Yes n/a
VR-ready - Yes - - -
Water-Resistant - - Yes
IPX8 (SCUBA)
- -
Accessibility
Hearing Aid Compatible - Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
- Yes
M4, T3 (mostly tele-coil compatible)
Multiple Languages Yes n/a n/a Yes n/a
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display Yes - - - -
Connectivity
Bluetooth - Yes Yes - Yes
Infrared (IR) - Yes - - -
MirrorLink - Yes - - -
NFC - Yes Yes - -
USB Yes Yes
Micro-USB
Yes
USB Type C
- Yes
USB Type C
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
Yes
6 (802.11 a,ac,ax,b,g,n)
- Yes
4 (802.11 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 Yes 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
Data & Network
Data Tethering Yes 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
Touch Screen - Yes
Capacitive
Yes
Capacitive
- Yes
Capacitive
Memory
Memory Card Slot Yes - - - Yes
Messaging
MMS Yes 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 Yes n/a n/a - n/a
Stereo Speakers - - Yes - -
Photo & Video
DLNA - Yes - - -
Miracast - Yes - - -
TV Output - Yes Yes - -
Power
Fast Charging - Yes Yes - Yes
Wireless Charging - Yes 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 - n/a n/a Yes n/a
Voice Memo Yes n/a n/a Yes n/a
Software
BREW Yes n/a n/a - n/a
Games Yes * n/a n/a Yes n/a
Java (J2ME) - n/a n/a Yes n/a
Voice
Call Screening Yes - - - -
HD Voice - Yes Yes - Yes
Headset Jack (2.5 mm) Yes n/a n/a Yes n/a
Speaker Phone Yes Yes Yes - Yes
  * Some versions only
  Audiovox CDM-8940 Samsung Galaxy S6 (GSM) Samsung Galaxy S21 Samsung SPH-A660 / VI660 ZTE Blade Z Max
  X > < X > < X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Audiovox CDM-8940 Samsung Galaxy S6 (GSM) Samsung Galaxy S21 Samsung SPH-A660 / VI660 ZTE Blade Z Max

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