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Phone Samsung Galaxy Ring / Prevail 2 Google Pixel 9 Pro Samsung Galaxy S21
Current U.S. Carriers (none) AT&T
Spectrum Mobile
T-Mobile
US Cellular
Verizon
Xfinity Mobile
Verizon
Global Availability Released Released Released
Specifications 
Display Size 4" diag.
5 : 3
6.3" diag.
20 : 9
6.2" diag.
20 : 9
Display Resolution & Type 480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
1280 x 2856 pixels
(~497 ppi)
AMOLED
1080 x 2400 pixels
(~424 ppi)
AMOLED
Display Refresh 60 Hz 120 Hz 120 Hz
Battery 1,750 mAh 4,700 mAh 4,000 mAh
Processor 1.4 GHz Qualcomm Snapdragon S2 MSM8655 Google Tensor G4 2.8 GHz Qualcomm Snapdragon 888
RAM 1 GB 16 GB 8 GB
Storage 4 GB 128 GB * 128 GB *
Main Camera 5 megapixel 50 megapixel 12 megapixel
Wide Camera - 48 megapixel 12 megapixel
Tele Camera - 48 megapixel 64 megapixel
Video Capture 720p HD 4K UHD 8K
Front Camera 1 megapixel 42 megapixel 10 megapixel
Weight 3.4 oz
(96g)
7 oz
(198g)
6.03 oz
(171g)
Dimensions 4.83" x 2.48" x 0.47"
(123 x 63 x 11.9 mm)
6" x 2.8" x 0.3"
(152 x 71 x 7.6 mm)
5.97" x 2.8" x 0.31"
(152 x 71 x 7.9 mm)
Platform / OS Android Android Android
Network Bands

CDMA: 800, 850, 1900

5G: 1, 2, 3, 5, 7, 8, 12, 14, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 66, 70, 71, 77-A, 77-C, 78, 258, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 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

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

Data Technology EVDO rA NR (5G) NR (5G)
Features 
Barometer - Yes Yes
Fingerprint Reader - Yes
in-display (ultrasonic)
Yes
in-display (ultrasonic)
Flashlight - Yes Yes
Water-Resistant - Yes
IPX8 (SCUBA)
Yes
IPX8 (SCUBA)
Accessibility
Hearing Aid Compatible Yes Yes Yes
TTY/TDD (Digital) Yes Yes Yes
Connectivity
Bluetooth Yes Yes Yes
NFC - Yes Yes
Thread - Yes -
USB Yes Yes
USB Type C
Yes
USB Type C
UWB - Yes -
Wi-Fi Yes
4 (802.11 a,b,g,n)
Yes
7 (802.11 a,ac,ax,b,be,g,n)
Yes
6 (802.11 a,ac,ax,b,g,n)
Data & Network
Dual-SIM - Yes -
Satellite - Yes -
Input
Side Keys Yes Yes Yes
Touch Screen Yes Yes Yes
Memory
Memory Card Slot Yes - -
Music
Headphone Jack (3.5mm) Yes - -
Stereo Speakers - Yes Yes
Photo & Video
DLNA Yes - -
TV Output - Yes Yes
Power
Fast Charging - Yes Yes
Wireless Charging - Yes Yes
Voice
Call Screening - Yes -
HD Voice - Yes Yes
Speaker Phone Yes Yes Yes
  Samsung Galaxy Ring / Prevail 2 Google Pixel 9 Pro Samsung Galaxy S21
  X > < X > < X

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

 
Phone Samsung Galaxy Ring / Prevail 2 Google Pixel 9 Pro Samsung Galaxy S21

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