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Phone Samsung SCH-A310 Samsung UpStage M620 Audiovox CDM-8500 Samsung Tint SCH-R420 Google Pixel 7a
Current U.S. Carriers (none) (none) (none) (none) AT&T
US Cellular
Verizon
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 2.1" diag.
4 : 3
? 1.9" diag.
4 : 3
6.1" diag.
20 : 9
Display Resolution & Type 128 x 128 pixels
LCD (Grayscale)
176 x 220 pixels
(~134 ppi)
LCD (TFT/TFD)
? 128 x 160 pixels
(~108 ppi)
LCD (TFT/TFD)
1080 x 2400 pixels
(~431 ppi)
AMOLED
Display Refresh ? ? ? ? 90 Hz
Battery ? 620 mAh ? 800 mAh 4,385 mAh
Processor ? ? ? ? Google Tensor G2
RAM ? ? ? ? 8 GB
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware 128 GB
Main Camera - 1 megapixel - Yes 64 megapixel
Wide Camera - - - - 13 megapixel
Tele Camera - - - - -
Video Capture - ? - - 4K UHD
Front Camera - - - - 13 megapixel
Weight 3.2 oz
(91g)
2.57 oz
(73g)
3.2 oz
(91g)
3.35 oz
(95g)
6.8 oz
(193g)
Dimensions 3.43" x 1.89" x 0.87"
(87 x 48 x 22.1 mm)
4.07" x 1.73" x 0.37"
(103 x 44 x 9.4 mm)
3.3" x 1.6" x 0.9"
(84 x 41 x 22.9 mm)
3.74" x 1.88" x 0.74"
(95 x 48 x 18.8 mm)
6" x 2.8" x 0.4"
(152 x 71 x 10.2 mm)
Form Factor Clamshell Slab Clamshell Clamshell Slab
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary) Android
Network Bands

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1700, 1900

5G: 1, 2, 3, 5, 7, 8, 12, 14, 20, 25, 28, 30, 38, 41, 48, 66, 71, 77-A, 77-C, 78, 260, 261

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

WCDMA: 1, 2, 4, 5, 6, 8, 19

GSM: 850, 900, 1800, 1900

*

Data Technology 1xRTT EVDO r0 1xRTT 1xRTT NR (5G)
Features 
Barometer - - - - Yes
Fingerprint Reader - - - - Yes
in-display (optical)
Flashlight - - - - Yes
GPS / Location Yes - Yes Yes n/a
Water-Resistant - - - - Yes
IPX7 (snorkeling)
Accessibility
Adjustable Text Size - Yes - - n/a
Hearing Aid Compatible - Yes
M4 (very compatible)
- Yes
M4 (very compatible)
Yes
M3, T4 (very tele-coil compatible)
Multiple Languages Yes - Yes Yes n/a
TTY/TDD (Digital) - Yes Yes Yes Yes
Alerts
Extra Display Yes Yes Yes Yes -
Connectivity
Bluetooth - Yes - Yes Yes
NFC - - - - Yes
USB Yes Yes - - Yes
USB Type C
Wi-Fi - - - - Yes
6E (802.11 a,ac,ax,b,g,n)
Contacts
Picture ID - Yes - Yes n/a
Ringer ID - Yes Yes Yes n/a
Voice Dialing Yes Yes Yes Yes n/a
Customization
Changeable Body Plates Yes - - Yes -
Custom Graphics - Yes - Yes n/a
Custom Ringtones - Yes - Yes n/a
Real-Music Ringers - Yes - Yes n/a
Data & Network
Data Tethering Yes - Yes - n/a
Dual-SIM - - - - Yes
External Antenna Jack - Yes - - n/a
WAP / Web Browser Yes Yes Yes Yes n/a
Input
Predictive Text Entry Yes Yes Yes Yes n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen - - - - Yes
Capacitive
Memory
Memory Card Slot - Yes - - -
Messaging
Instant Messaging - Yes - - n/a
MMS - Yes - Yes n/a
Text Messaging Templates - Yes - Yes n/a
Music
Music Player - Yes - - n/a
Stereo Speakers - - - - Yes
Power
Fast Charging - - - - Yes
Wireless Charging - - - - Yes
Productivity
Alarm - Yes Yes Yes n/a
Calculator - Yes Yes Yes n/a
Calendar Yes Yes Yes Yes n/a
To-Do List - Yes - - n/a
Voice Memo Yes Yes Yes Yes n/a
Software
BREW - - Yes * Yes n/a
Games Yes Yes Yes Yes n/a
Java (J2ME) - Yes - - n/a
Voice
Call Screening - - - - Yes
HD Voice - - - - Yes
Headset Jack (2.5 mm) Yes - Yes Yes n/a
Push-To-Talk - - - Yes -
Speaker Phone - Yes Yes Yes Yes
  * Some versions only
  Samsung SCH-A310 Samsung UpStage M620 Audiovox CDM-8500 Samsung Tint SCH-R420 Google Pixel 7a
  X > < X > < X > < X > < X

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

 
Phone Samsung SCH-A310 Samsung UpStage M620 Audiovox CDM-8500 Samsung Tint SCH-R420 Google Pixel 7a

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