Screen size
Galaxy A21s6.5"
Galaxy M16Winner: 6.7"+3%
Quick verdict
Galaxy M16 leads the measured specs 15-1.
Measured wins
Galaxy A21s
1
spec wins
Ties
5
equal specs
Galaxy M16
15
spec wins
Overall winner
Screen size
Technology
Galaxy A21s
GSM / HSPA / LTE
Galaxy M16
GSM / HSPA / LTE / 5G
2G bands
Galaxy A21s
GSM 850 / 900 / 1800 / 1900
Galaxy M16
GSM 850 / 900 / 1800 / 1900
3G bands
Galaxy A21s
HSDPA 850 / 900 / 1900 / 2100
Galaxy M16
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
Galaxy A21s
1, 2, 3, 5, 7, 8, 20, 28, 38, 40, 41
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
equal specsBattery
equal specsWired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
NFC
equal specs3.5mm jack
SD card
equal specsStereo speakers
Galaxy M16
1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 38, 40, 41, 66
Speed
Galaxy A21s
HSPA, LTE
Galaxy M16
HSPA, LTE, 5G
5G bands
Galaxy A21s
-
Galaxy M16
1, 3, 5, 7, 8, 28, 40, 41, 66, 77, 78 SA/NSA/Sub6
Announced
Galaxy A21s
2020, May 15. Released 2020, June 02
Galaxy M16
2025, February 27
Status
Galaxy A21s
Discontinued
Galaxy M16
Available. Released 2025, March 05
Dimensions
Galaxy A21s
163.7 x 75.3 x 8.9 mm (6.44 x 2.96 x 0.35 in)
Galaxy M16
164.4 x 77.9 x 7.9 mm (6.47 x 3.07 x 0.31 in)
Weight
Galaxy A21s
192 g (6.77 oz)
Galaxy M16
191 g (6.74 oz)
Build
Galaxy A21s
Glass front, plastic frame, plastic back
Galaxy M16
Glass front, plastic back, plastic frame
SIM
Galaxy A21s
· Nano-SIM· Nano-SIM + Nano-SIM
Galaxy M16
Nano-SIM + Nano-SIM
Other
Galaxy A21s
-
Galaxy M16
IP54 dust protected and water resistant (water splashes)
Type
Galaxy A21s
PLS LCD
Galaxy M16
Super AMOLED, 90Hz, 800 nits (HBM)
Size
Galaxy A21s
6.5 inches, 102.0 cm2 (~82.8% screen-to-body ratio)
Galaxy M16
6.7 inches, 110.2 cm2 (~86.0% screen-to-body ratio)
Resolution
Galaxy A21s
720 x 1600 pixels, 20:9 ratio (~270 ppi density)
Galaxy M16
1080 x 2340 pixels, 19.5:9 ratio (~385 ppi density)
OS
Galaxy A21s
Android 10, upgradable to Android 12, One UI 4.1
Galaxy M16
Android 15, up to 6 major Android upgrades, One UI 7
Chipset
Galaxy A21s
Exynos 850 (8 nm)
Galaxy M16
Mediatek Dimensity 6300 (6 nm)
CPU
Galaxy A21s
Octa-core (4x2.0 GHz Cortex-A55 & 4x2.0 GHz Cortex-A55)
Galaxy M16
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
Galaxy A21s
Mali-G52
Galaxy M16
Mali-G57 MC2
Card slot
Galaxy A21s
microSDXC (dedicated slot)
Galaxy M16
microSDXC (uses shared SIM slot)
Internal
Galaxy A21s
32GB 2GB RAM, 32GB 3GB RAM, 32GB 4GB RAM, 64GB 3GB RAM, 64GB 4GB RAM, 64GB 6GB RAM, 128GB 2GB RAM, 128GB 3GB RAM, 128GB 4/6GB RAM
Galaxy M16
128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
Other
Galaxy A21s
eMMC 5.1
Galaxy M16
-
Quad
Galaxy A21s
48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 123˚ (ultrawide), 1/4.0", 1.12µm 2 MP (macro) Auxiliary lens
Galaxy M16
-
Features
Galaxy A21s
LED flash, panorama, HDR
Galaxy M16
LED flash, panorama, HDR
Video
Galaxy A21s
1080p@30fps
Galaxy M16
1080p@30fps, gyro-EIS
Triple
Galaxy A21s
-
Galaxy M16
50 MP, f/1.8, (wide), 1/2.76", 0.64µm, AF 5 MP, f/2.2, (ultrawide), 1/5.0", 1.12µm 2 MP (macro)
Single
Galaxy A21s
13 MP, f/2.2, (wide), 1/3.1", 1.12µm
Galaxy M16
13 MP, f/2.0, (wide), 1/3.1", 1.12µm
Video
Galaxy A21s
1080p@30fps
Galaxy M16
1080p@30fps
Loudspeaker
Galaxy A21s
Yes
Galaxy M16
Yes
3.5mm jack
Galaxy A21s
Yes
Galaxy M16
No
WLAN
Galaxy A21s
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Galaxy M16
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
Galaxy A21s
5.0, A2DP, LE
Galaxy M16
5.3, A2DP, LE
Positioning
Galaxy A21s
GPS, GLONASS, GALILEO, BDS
Galaxy M16
GPS, GALILEO, GLONASS, BDS, QZSS
NFC
Galaxy A21s
Yes (market/region dependent)
Galaxy M16
Yes
Radio
Galaxy A21s
FM radio, RDS, recording
Galaxy M16
No
USB
Galaxy A21s
USB Type-C 2.0
Galaxy M16
USB Type-C 2.0
Sensors
Galaxy A21s
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Galaxy M16
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Type
Galaxy A21s
Li-Po 5000 mAh
Galaxy M16
5000 mAh
Charging
Galaxy A21s
15W wired
Galaxy M16
25W wired
Colors
Galaxy A21s
Black, White, Blue, Red
Galaxy M16
Thunder Black, MInt Green, Blush Pink
Models
Galaxy A21s
SM-A217F, SM-A217F/DS, SM-A217F/DSN, SM-A217M, SM-A217M/DS, SM-A217N
Galaxy M16
SM-M166P, SM-M166P/DS
SAR EU
Galaxy A21s
0.42 W/kg (head) 1.54 W/kg (body)
Galaxy M16
0.99 W/kg (head) 1.19 W/kg (body)
Price
Galaxy A21s
About 220 EUR
Galaxy M16
₹ 13,999
SAR
Galaxy A21s
-
Galaxy M16
1.08 W/kg (head)