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Phone Samsung Galaxy A15 5G Samsung Galaxy A21
Current U.S. Carriers AT&T
Boost
Consumer Cellular
Cricket
Metro
Spectrum Mobile
Tracfone
US Cellular
Verizon
Xfinity Mobile
(none)
Global Availability Released Released
Specifications 
Display Size 6.5" diag.
19.5 : 9
6.5" diag.
20 : 9
Display Resolution & Type 1080 x 2340 pixels
(~396 ppi)
AMOLED
720 x 1600 pixels
(~270 ppi)
LCD (TFT/TFD)
Display Refresh 90 Hz 60 Hz
Battery 5,000 mAh 4,000 mAh
Processor 2.2 GHz MediaTek Dimensity 6100+ (MT6835V) 2 GHz MediaTek Helio P35 (MT6765)
RAM 4 GB 3 GB
Storage 128 GB 32 GB
Main Camera 50 megapixel 16 megapixel
Wide Camera 5 megapixel 8 megapixel
Tele Camera - -
Video Capture 1080p HD 1080p HD
Front Camera 13 megapixel 13 megapixel
Weight 7.05 oz
(200g)
6.81 oz
(193g)
Dimensions 6.3" x 3.02" x 0.33"
(160 x 77 x 8.4 mm)
6.61" x 3.02" x 0.32"
(168 x 77 x 8.1 mm)
Platform / OS Android Android
Network Bands

5G: 2, 5, 25, 41, 48, 66, 70, 71, 77-A, 77-C, 78

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

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

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

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology NR (5G) LTE (Cat 6)
Features 
Barometer Yes -
Fingerprint Reader Yes
stand-alone
Yes
stand-alone
Flashlight Yes Yes
Accessibility
Hearing Aid Compatible Yes Yes
TTY/TDD (Digital) Yes Yes
Connectivity
Bluetooth Yes
LE Audio, Classic Audio
Yes
Classic Audio
NFC Yes Yes
USB Yes
USB Type C
Yes
USB Type C
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Data & Network
Dual-SIM Yes * -
Input
Side Keys Yes Yes
Touch Screen Yes Yes
Memory
Memory Card Slot Yes Yes
Music
Headphone Jack (3.5mm) Yes Yes
Power
Fast Charging Yes Yes
Voice
HD Voice Yes Yes
Speaker Phone Yes Yes
  * Some versions only
  Samsung Galaxy A15 5G Samsung Galaxy A21
  X > < X

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

 
Phone Samsung Galaxy A15 5G Samsung Galaxy A21

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