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Samsung Galaxy A21 vs Samsung Galaxy A15 5G Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

Comparison mode:
Specs Size
Differences only
Samsung Galaxy A21
5.1
Samsung Galaxy A15 5G
Samsung Galaxy A21 Samsung Galaxy A15 5G
Released · Jun 29, 2020
Released · Dec 16, 2023
6.5-inch · 1600x720px
6.5-inch · 2340x1080px
Quad camera
Triple camera
3GB · 32GB
4GB · 128GB
4000 mAh
5000 mAh
Check prices

Design

Dimensions
6.61 x 3.02 x 0.32 inches
(167.8 x 76.7 x 8.1 mm) 		6.30 x 3.02 x 0.33 inches
(160.1 x 76.8 x 8.4 mm)
Weight
6.81 oz(193.0 g) 7.05 oz(200.0 g)
Materials
Back: Plastic
Frame: Plastic 		Back: Plastic
Frame: Plastic
Biometrics
Fingerprint (touch) Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Black Blue Black, Light Blue

Display

Size
6.5-inch 6.5-inch
Resolution
1600x720px, 20:9 ratio, 270 PPI 2340x1080px, 19.5:9 ratio, 396 PPI
Technology
IPS LCD Super AMOLED
Refresh rate
60Hz 90Hz
Screen-to-body
79.20 % 84.49 %
Peak brightness
800 cd/m2 (nit)
Features
Ambient light sensor, Proximity sensor Ambient light sensor, Proximity sensor

Hardware

System chip
Mediatek Helio P35 MT6765 (12 nm) Mediatek Dimensity 6100+ (6 nm)
Processor
Octa-core
4x 2.3GHz Cortex-A53 + 4x 1.8GHz Cortex-A53 		Octa-core
2x2.2GHz Cortex-A76 + 6x2.0GHz Cortex-A55
GPU
PowerVR GE8320 Mali-G57 MC2
RAM
3GB (LPDDR4) 4GB
Internal storage
32GB (eMMC 5.1), available to use: 19.8 GB 128GB
Storage expansion
microSDXC up to 512 GB microSDXC up to 1000 GB
OS
Android (10), Samsung One UI Android (14), One UI 16 UI

Battery

Capacity
4000 mAh 5000 mAh
Type
Li - Polymer, Not user replaceable Not user replaceable
Charging
Fast charging Fast charging
Max charge speed
Wired: 15.0W Wired: 25.0W
PhoneArena Battery Tests
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested
Battery Life Estimate
6h 43min
Browsing
10h 41min
Video
12h 15min
Gaming
10h 19min
Find out more details about battery and charging for all phones we have tested on our PhoneArena Battery Score page.

Camera

Rear
Quad camera Triple camera
Main camera
16 MP (PDAF)
Aperture size: F1.8
Sensor size: 1/3.06"
Pixel size: 1 μm 		50 MP (Autofocus)
Aperture size: F1.8
Second camera
8 MP (Ultra-wide)
Aperture size: F2.2
Sensor size: 1/4"
Pixel size: 1.12 μm 		5 MP (Ultra-wide)
Aperture size: F2.2
Third camera
2 MP (Macro)
Aperture size: F2.4 		2 MP (Macro)
Aperture size: F2.4
Fourth camera
2 MP (Depth information)
Aperture size: F2.4
Flash
LED LED
Video recording
1920x1080 (Full HD) (30 fps) 1920x1080 (Full HD) (30 fps)
Front
13 MP, Video capture: 1920x1080 (Full HD) 13 MP, Video capture: 1920x1080 (Full HD)
PhoneArena Camera Tests
N/A
Overall
N/A
Photo
N/A
Video
122
Overall
136
Photo
107
Video
Find out more details about photo and video scores for all phones we have tested on our PhoneArena Camera Score page.

Connectivity & Features

Bluetooth
5.0 5.3
Wi-Fi
802.11 a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot 		802.11 a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot
USB
Type-C (reversible), USB 2.0, Features: Charging Type-C (reversible), USB 2.0, Features: Charging
Hearing aid compatible
M4/T3
Location
GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass Accelerometer, Gyroscope, Compass
Other
NFC NFC

Multimedia

Headphones
3.5mm jack 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Multiple speakers
Screen mirroring
Wireless screen share Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation

Cellular

5G
Bands n1, n3, n5, n7, n8, n28, n40, n41, n66, n71, n77, n78, SA, NSA, Sub-6
4G (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 66(AWS-3), 71(600) Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)
4G (TDD)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+) Bands 38(2600), 40(2300), 41(2600+)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900) Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s LTE-A
Dual SIM
Yes
SIM type
Nano SIM Dual Nano SIM
HD Voice
Yes Yes
VoLTE
Yes

Regulatory Approval

FCC approval
Date approved: Apr 17, 2020
FCC ID value: ZCASMA215U
Measured SAR
Head: 0.42 W/kg
Body: 1.27 W/kg
Simultaneous Transmission: 1.27 W/kg
Wireless Router: 1.27 W/kg

Buyers information

MSRP
$ 250 $ 200
In The Box
This is the official Samsu​ng Galaxy A21 User Guide in English provided from the manufacturer. Phone, USB Type-C cabel, SIM ejector tool, Papers

Availability

Officially announced
Apr 08, 2020 Dec 11, 2023

Alternative variants

for Verizon
4G (FDD) Bands 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)
4G (TDD) Bands 38(2600), 40(2300), 41(2600+)
3G Bands 5(850), 8(900), 2(1900), 1(2100)
for Sprint
4G (FDD) Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 13(700 c), 25(1900+), 26(850+), 66(AWS-3), 71(600)
4G (TDD) Bands 41(2600+)
FCC OKs Cingular\'s purchase of AT&T Wireless