Screen size
Galaxy A57Winner: 6.7"+4.5%
Galaxy M21s6.4"
Quick verdict
Galaxy A57 leads the measured specs 15-6.
Measured wins
Galaxy A57
15
spec wins
Overall winner
Ties
2
equal specs
Galaxy M21s
6
spec wins
Screen size
Technology
Galaxy A57
GSM / HSPA / LTE / 5G
Galaxy M21s
GSM / HSPA / LTE
2G bands
Galaxy A57
GSM 850 / 900 / 1800 / 1900
Galaxy M21s
GSM 850 / 900 / 1800 / 1900
3G bands
Galaxy A57
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Galaxy M21s
HSDPA 850 / 900 / 1700(AWS) / 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
3.5mm jack
SD card
Stereo speakers
Galaxy M21s
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 66
5G bands
Galaxy A57
1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6
Galaxy M21s
-
Speed
Galaxy A57
HSPA, LTE, 5G
Galaxy M21s
HSPA, LTE
Announced
Galaxy A57
2026, March 25
Galaxy M21s
2020, November 06. Released 2020, November 06
Status
Galaxy A57
Released Apr 10, 2026
Galaxy M21s
Discontinued
Dimensions
Galaxy A57
161.5 x 76.8 x 6.9 mm (6.36 x 3.02 x 0.27 in)
Galaxy M21s
159.2 x 75.1 x 8.9 mm (6.27 x 2.96 x 0.35 in)
Weight
Galaxy A57
179 g (6.31 oz)
Galaxy M21s
191 g (6.74 oz)
Build
Galaxy A57
Glass front (Gorilla Glass Victus+), aluminum frame, glass back (Gorilla Glass Victus+)
Galaxy M21s
Glass front (Gorilla Glass 3), plastic back, plastic frame
SIM
Galaxy A57
· Nano-SIM + eSIM· Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time)
Galaxy M21s
· Nano-SIM· Nano-SIM + Nano-SIM
Other
Galaxy A57
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
Galaxy M21s
-
Type
Galaxy A57
Super AMOLED+, 120Hz, HDR10+, 1200 nits (HBM), 1900 nits (peak)
Galaxy M21s
Super AMOLED, 420 nits (peak)
Size
Galaxy A57
6.7 inches, 110.2 cm2 (~88.8% screen-to-body ratio)
Galaxy M21s
6.4 inches, 100.5 cm2 (~84.1% screen-to-body ratio)
Resolution
Galaxy A57
1080 x 2340 pixels, 19.5:9 ratio (~385 ppi density)
Galaxy M21s
1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
Protection
Galaxy A57
Corning Gorilla Glass Victus+, Mohs level 5
Galaxy M21s
Corning Gorilla Glass 3
OS
Galaxy A57
Android 16, up to 6 major Android upgrades, One UI 8.5
Galaxy M21s
Android 10, One UI 2.5
Chipset
Galaxy A57
Exynos 1680 (4 nm)
Galaxy M21s
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 M21s
Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
GPU
Galaxy A57
Xclipse 550
Galaxy M21s
Mali-G72 MP3
Card slot
Galaxy A57
No
Galaxy M21s
microSDXC (dedicated slot)
Internal
Galaxy A57
128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM
Galaxy M21s
64GB 4GB RAM, 128GB 6GB RAM
Other
Galaxy A57
UFS
Galaxy M21s
eMMC 5.1
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 M21s
64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF 8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm Auxiliary lens
Features
Galaxy A57
Best Face, LED flash, panorama, HDR
Galaxy M21s
LED flash, panorama, HDR
Video
Galaxy A57
4K@30fps, 1080p@30/60fps, HDR, gyro-EIS
Galaxy M21s
4K@30fps, 1080p@30fps, gyro-EIS
Single
Galaxy A57
12 MP, f/2.2, (wide), 1/3.2", 1.12µm
Galaxy M21s
32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
Video
Galaxy A57
4K@30fps, 1080p@30/60fps, 10-bit HDR
Galaxy M21s
1080p@30fps
Features
Galaxy A57
-
Galaxy M21s
HDR
Loudspeaker
Galaxy A57
Yes, with stereo speakers
Galaxy M21s
Yes
3.5mm jack
Galaxy A57
No
Galaxy M21s
Yes
WLAN
Galaxy A57
Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band or tri-band, Wi-Fi Direct
Galaxy M21s
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
Galaxy A57
6.0, A2DP, LE
Galaxy M21s
5.0, A2DP, LE
Positioning
Galaxy A57
GPS, GALILEO, GLONASS, BDS, QZSS
Galaxy M21s
GPS, GLONASS, GALILEO, BDS
NFC
Galaxy A57
Yes (market/region dependent)
Galaxy M21s
No
Radio
Galaxy A57
No
Galaxy M21s
FM radio
USB
Galaxy A57
USB Type-C 2.0, OTG
Galaxy M21s
USB Type-C 2.0
Sensors
Galaxy A57
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Galaxy M21s
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Type
Galaxy A57
5000 mAh
Galaxy M21s
Li-Po 6000 mAh
Charging
Galaxy A57
45W wired
Galaxy M21s
15W wired
Colors
Galaxy A57
Navy, Gray, Icyblue, Lilac
Galaxy M21s
Blue, Black
Models
Galaxy A57
SM-A576B, SM-A576B/DS, SM-A576Q, SM-A576U1, SM-A576W, SM-A576Z, SM-A5760
Galaxy M21s
SM-F415F, SM-F415F/DS
SAR
Galaxy A57
0.85 W/kg (head) 1.20 W/kg (body)
Galaxy M21s
0.38 W/kg (head)
SAR EU
Galaxy A57
0.70 W/kg (head) 1.07 W/kg (body)
Galaxy M21s
0.48 W/kg (head) 1.13 W/kg (body)
Price
Galaxy A57
₹ 56,999
Galaxy M21s
About 230 EUR