Samsung Galaxy A10s vs Samsung Galaxy A21 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.

Samsung Galaxy A10s Samsung Galaxy A21
Released · Aug 27, 2019
Released · Jun 29, 2020
6.2-inch · 1520x720px
6.5-inch · 1600x720px
Dual camera
Quad camera
2GB · 32GB
3GB · 32GB
4000 mAh
4000 mAh
Check prices Check prices

Design

Dimensions
6.18 x 2.98 x 0.31 inches
156.9 x 75.8 x 7.8 mm
6.61 x 3.02 x 0.32 inches
167.8 x 76.7 x 8.1 mm
Weight
5.93 oz (168.0 g) 6.81 oz (193.0 g)
Materials
Back: Plastic
Frame: Plastic
Back: Plastic
Frame: Plastic
Biometrics
2D Face unlock, Fingerprint (touch) Fingerprint (touch)
Keys
Left: Volume control; Right: Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Black, Green, Blue, Red Black

Display

Size
6.2-inch 6.5-inch
Resolution
1520x720px, 19:9 ratio, 271 PPI 1600x720px, 20:9 ratio, 270 PPI
Technology
IPS LCD IPS LCD
Refresh rate
60Hz
Screen-to-body
80.75 % 79.20 %
Features
Ambient light sensor, Proximity sensor Ambient light sensor, Proximity sensor

Hardware

System chip
MediaTek Helio P22 MT6762 (12 nm) Mediatek Helio P35 MT6765 (12 nm)
Processor
Octa-core
2000 MHz
ARM Cortex-A53
Octa-core
4x 2.3GHz Cortex-A53 + 4x 1.8GHz Cortex-A53
GPU
IMG PowerVR GE8320 PowerVR GE8320
RAM
2GB 3GB (LPDDR4)
Internal storage
32GB 32GB (eMMC 5.1), available to use: 19.8 GB
Storage expansion
microSDXC up to 512 GB microSDXC up to 512 GB
OS
Android (11, 10, 9.0 Pie), Samsung One UI Android (10), Samsung One UI

Battery

Capacity
4000 mAh 4000 mAh
Type
Li - Polymer Li - Polymer
Charging
Fast charging
Charge speed
Wired: 15.0W

Camera

Rear
Dual camera Quad camera
Main camera
13 MP (Autofocus)
Aperture size: F1.8
Focal length: 28 mm
16 MP (PDAF)
Aperture size: F1.8
Sensor size: 1/3.06"
Pixel size: 1 μm
Second camera
2 MP (Depth information)
Aperture size: F2.4
8 MP (Ultra-wide)
Aperture size: F2.2
Sensor size: 1/4"
Pixel size: 1.12 μm
Third camera
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)
Object tracking
1920x1080 (Full HD) (30 fps)
Front
8 MP, Video capture: 1920x1080 (Full HD) 13 MP, Video capture: 1920x1080 (Full HD)

Connectivity & Features

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

Multimedia

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

Cellular

4G (FDD)
Bands 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD) 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)
4G (TDD)
Bands 38(2600), 40(2300), 41(2600+) Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
3G
Bands 1(2100), 2(1900), 5(850), 8(900) Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM Nano SIM
HD Voice
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
In The Box
This is the official Samsu​ng Galaxy A21 User Guide in English provided from the manufacturer.

Availability

Officially announced
Aug 12, 2019 Apr 08, 2020

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