Screen size
equal specsGalaxy A576.7"
Galaxy M55s6.7"
Quick verdict
Galaxy A57 leads the measured specs 7-4.
Measured wins
Galaxy A57
7
spec wins
Overall winner
Ties
12
equal specs
Galaxy M55s
4
spec wins
Screen size
equal specsTechnology
Galaxy A57
GSM / HSPA / LTE / 5G
Galaxy M55s
GSM / HSPA / LTE / 5G
2G bands
Galaxy A57
GSM 850 / 900 / 1800 / 1900
Galaxy M55s
GSM 850 / 900 / 1800 / 1900
3G bands
Galaxy A57
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Galaxy M55s
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
Refresh rate
equal specsPeak brightness
Pixel density
CPU speed
RAM
equal specsStorage
equal specsMain camera
equal specsFront camera
Battery
equal specsWired charging
equal specsWeight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
Stereo speakers
equal specsGalaxy M55s
1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 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 M55s
1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6
Speed
Galaxy A57
HSPA, LTE, 5G
Galaxy M55s
HSPA, LTE, 5G
Announced
Galaxy A57
2026, March 25
Galaxy M55s
2024, September 24
Status
Galaxy A57
Released Apr 10, 2026
Galaxy M55s
Available. Released 2024, September 26
Dimensions
Galaxy A57
161.5 x 76.8 x 6.9 mm (6.36 x 3.02 x 0.27 in)
Galaxy M55s
163.9 x 76.5 x 7.8 mm (6.45 x 3.01 x 0.31 in)
Weight
Galaxy A57
179 g (6.31 oz)
Galaxy M55s
180 g (6.35 oz)
Build
Galaxy A57
Glass front (Gorilla Glass Victus+), aluminum frame, glass back (Gorilla Glass Victus+)
Galaxy M55s
-
SIM
Galaxy A57
· Nano-SIM + eSIM· Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time)
Galaxy M55s
Nano-SIM + Nano-SIM
Other
Galaxy A57
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
Galaxy M55s
-
Type
Galaxy A57
Super AMOLED+, 120Hz, HDR10+, 1200 nits (HBM), 1900 nits (peak)
Galaxy M55s
Super AMOLED+, 120Hz, 1000 nits (HBM)
Size
Galaxy A57
6.7 inches, 110.2 cm2 (~88.8% screen-to-body ratio)
Galaxy M55s
6.7 inches, 108.4 cm2 (~86.4% screen-to-body ratio)
Resolution
Galaxy A57
1080 x 2340 pixels, 19.5:9 ratio (~385 ppi density)
Galaxy M55s
1080 x 2400 pixels, 20:9 ratio (~393 ppi density)
Protection
Galaxy A57
Corning Gorilla Glass Victus+, Mohs level 5
Galaxy M55s
-
OS
Galaxy A57
Android 16, up to 6 major Android upgrades, One UI 8.5
Galaxy M55s
Android 14, up to 4 major Android upgrades, upgradable to Android 16, One UI 8
Chipset
Galaxy A57
Exynos 1680 (4 nm)
Galaxy M55s
Qualcomm SM7450-AB Snapdragon 7 Gen 1 (4 nm)
CPU
Galaxy A57
Octa-core (1x2.9 GHz Cortex-720 & 4x2.6 GHz Cortex-720 & 3x1.95 GHz Cortex-520)
Galaxy M55s
Octa-core (1x2.4 GHz Cortex-A710 & 3x2.36 GHz Cortex-A710 & 4x1.8 GHz Cortex-A510)
GPU
Galaxy A57
Xclipse 550
Galaxy M55s
Adreno 644
Card slot
Galaxy A57
No
Galaxy M55s
microSDXC (uses shared SIM slot)
Internal
Galaxy A57
128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM
Galaxy M55s
128GB 8GB RAM, 256GB 8GB RAM
Other
Galaxy A57
UFS
Galaxy M55s
-
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 M55s
50 MP, f/1.8, (wide), 1/1.56", 1.0µm, PDAF, OIS 8 MP, f/2.2, 123˚ (ultrawide) 2 MP (macro)
Features
Galaxy A57
Best Face, LED flash, panorama, HDR
Galaxy M55s
LED flash, panorama, HDR
Video
Galaxy A57
4K@30fps, 1080p@30/60fps, HDR, gyro-EIS
Galaxy M55s
4K@30fps, 1080p@30/60fps, gyro-EIS, OIS
Single
Galaxy A57
12 MP, f/2.2, (wide), 1/3.2", 1.12µm
Galaxy M55s
50 MP, f/2.4, (wide)
Video
Galaxy A57
4K@30fps, 1080p@30/60fps, 10-bit HDR
Galaxy M55s
4K@30fps, 1080p@30/60fps
Loudspeaker
Galaxy A57
Yes, with stereo speakers
Galaxy M55s
Yes, with stereo speakers
3.5mm jack
Galaxy A57
No
Galaxy M55s
No
WLAN
Galaxy A57
Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band or tri-band, Wi-Fi Direct
Galaxy M55s
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Bluetooth
Galaxy A57
6.0, A2DP, LE
Galaxy M55s
5.2, A2DP, LE
Positioning
Galaxy A57
GPS, GALILEO, GLONASS, BDS, QZSS
Galaxy M55s
GPS, GALILEO, GLONASS, BDS, QZSS
NFC
Galaxy A57
Yes (market/region dependent)
Galaxy M55s
Yes
Radio
Galaxy A57
No
Galaxy M55s
No
USB
Galaxy A57
USB Type-C 2.0, OTG
Galaxy M55s
USB Type-C 2.0, OTG
Sensors
Galaxy A57
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Galaxy M55s
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Type
Galaxy A57
5000 mAh
Galaxy M55s
5000 mAh
Charging
Galaxy A57
45W wired
Galaxy M55s
45W wired
Colors
Galaxy A57
Navy, Gray, Icyblue, Lilac
Galaxy M55s
Thunder Black, Coral Green
Models
Galaxy A57
SM-A576B, SM-A576B/DS, SM-A576Q, SM-A576U1, SM-A576W, SM-A576Z, SM-A5760
Galaxy M55s
SM-M558B, SM-M558B/DS
SAR
Galaxy A57
0.85 W/kg (head) 1.20 W/kg (body)
Galaxy M55s
0.93 W/kg (head)
SAR EU
Galaxy A57
0.70 W/kg (head) 1.07 W/kg (body)
Galaxy M55s
-
Price
Galaxy A57
₹ 56,999
Galaxy M55s
₹ 22,999