Screen size
Galaxy A57Winner: 6.7"+4.5%
Galaxy M21 20216.4"
Quick verdict
Galaxy A57 leads the measured specs 15-5.
Measured wins
Galaxy A57
15
spec wins
Overall winner
Ties
3
equal specs
Galaxy M21 2021
5
spec wins
Screen size
Technology
Galaxy A57
GSM / HSPA / LTE / 5G
Galaxy M21 2021
GSM / HSPA / LTE
2G bands
Galaxy A57
GSM 850 / 900 / 1800 / 1900
Galaxy M21 2021
GSM 850 / 900 / 1800 / 1900
3G bands
Galaxy A57
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Galaxy M21 2021
HSDPA 850 / 900 / 1900 / 2100
4G bands
Galaxy A57
1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 32, 38, 40, 41, 66
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
NFC
equal specs3.5mm jack
SD card
Stereo speakers
Galaxy M21 2021
1, 3, 5, 7, 8, 20, 38, 40, 41
5G bands
Galaxy A57
1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6
Galaxy M21 2021
-
Speed
Galaxy A57
HSPA, LTE, 5G
Galaxy M21 2021
HSPA, LTE
Announced
Galaxy A57
2026, March 25
Galaxy M21 2021
2021, July 21
Status
Galaxy A57
Released Apr 10, 2026
Galaxy M21 2021
Available. Released 2021, July 26
Dimensions
Galaxy A57
161.5 x 76.8 x 6.9 mm (6.36 x 3.02 x 0.27 in)
Galaxy M21 2021
159 x 75.1 x 9 mm (6.26 x 2.96 x 0.35 in)
Weight
Galaxy A57
179 g (6.31 oz)
Galaxy M21 2021
192 g (6.77 oz)
Build
Galaxy A57
Glass front (Gorilla Glass Victus+), aluminum frame, glass back (Gorilla Glass Victus+)
Galaxy M21 2021
Glass front, plastic back, plastic frame
SIM
Galaxy A57
· Nano-SIM + eSIM· Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time)
Galaxy M21 2021
Nano-SIM + Nano-SIM
Other
Galaxy A57
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
Galaxy M21 2021
-
Type
Galaxy A57
Super AMOLED+, 120Hz, HDR10+, 1200 nits (HBM), 1900 nits (peak)
Galaxy M21 2021
Super AMOLED, 420 nits (peak)
Size
Galaxy A57
6.7 inches, 110.2 cm2 (~88.8% screen-to-body ratio)
Galaxy M21 2021
6.4 inches, 100.5 cm2 (~84.2% screen-to-body ratio)
Resolution
Galaxy A57
1080 x 2340 pixels, 19.5:9 ratio (~385 ppi density)
Galaxy M21 2021
1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
Protection
Galaxy A57
Corning Gorilla Glass Victus+, Mohs level 5
Galaxy M21 2021
-
OS
Galaxy A57
Android 16, up to 6 major Android upgrades, One UI 8.5
Galaxy M21 2021
Android 11, One UI 3.1 Core
Chipset
Galaxy A57
Exynos 1680 (4 nm)
Galaxy M21 2021
Exynos 9611 (10 nm)
CPU
Galaxy A57
Octa-core (1x2.9 GHz Cortex-720 & 4x2.6 GHz Cortex-720 & 3x1.95 GHz Cortex-520)
Galaxy M21 2021
Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
GPU
Galaxy A57
Xclipse 550
Galaxy M21 2021
Mali-G72 MP3
Card slot
Galaxy A57
No
Galaxy M21 2021
microSDXC (dedicated slot)
Internal
Galaxy A57
128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM
Galaxy M21 2021
64GB 4GB RAM, 128GB 6GB RAM
Other
Galaxy A57
UFS
Galaxy M21 2021
-
Triple
Galaxy A57
50 MP, f/1.8, (wide), 1/1.56", 1.0µm, PDAF, OIS 12 MP, f/2.2, 123˚ (ultrawide), 1/3.06", 1.12µm 5 MP, f/2.4, (macro)
Galaxy M21 2021
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 Auxiliary lens
Features
Galaxy A57
Best Face, LED flash, panorama, HDR
Galaxy M21 2021
LED flash, panorama, HDR
Video
Galaxy A57
4K@30fps, 1080p@30/60fps, HDR, gyro-EIS
Galaxy M21 2021
4K@30fps, 1080p@30fps, 720p@240fps, gyro-EIS
Single
Galaxy A57
12 MP, f/2.2, (wide), 1/3.2", 1.12µm
Galaxy M21 2021
20 MP, f/2.2, 26mm (wide)
Video
Galaxy A57
4K@30fps, 1080p@30/60fps, 10-bit HDR
Galaxy M21 2021
1080p@30fps
Features
Galaxy A57
-
Galaxy M21 2021
HDR
Loudspeaker
Galaxy A57
Yes, with stereo speakers
Galaxy M21 2021
Yes
3.5mm jack
Galaxy A57
No
Galaxy M21 2021
Yes
WLAN
Galaxy A57
Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band or tri-band, Wi-Fi Direct
Galaxy M21 2021
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
Galaxy A57
6.0, A2DP, LE
Galaxy M21 2021
5.0, A2DP, LE
Positioning
Galaxy A57
GPS, GALILEO, GLONASS, BDS, QZSS
Galaxy M21 2021
GPS, GLONASS, GALILEO, BDS
NFC
Galaxy A57
Yes (market/region dependent)
Galaxy M21 2021
Yes (market/region dependent)
Radio
Galaxy A57
No
Galaxy M21 2021
FM radio, RDS, recording
USB
Galaxy A57
USB Type-C 2.0, OTG
Galaxy M21 2021
USB Type-C 2.0
Sensors
Galaxy A57
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Galaxy M21 2021
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Type
Galaxy A57
5000 mAh
Galaxy M21 2021
Li-Po 6000 mAh
Charging
Galaxy A57
45W wired
Galaxy M21 2021
15W wired
Colors
Galaxy A57
Navy, Gray, Icyblue, Lilac
Galaxy M21 2021
Charcoal Black, Arctic Blue
Models
Galaxy A57
SM-A576B, SM-A576B/DS, SM-A576Q, SM-A576U1, SM-A576W, SM-A576Z, SM-A5760
Galaxy M21 2021
SM-M215G, SM-M215G/DS
SAR
Galaxy A57
0.85 W/kg (head) 1.20 W/kg (body)
Galaxy M21 2021
0.47 W/kg (head)
SAR EU
Galaxy A57
0.70 W/kg (head) 1.07 W/kg (body)
Galaxy M21 2021
-
Price
Galaxy A57
₹ 56,999
Galaxy M21 2021
About 130 EUR