Screen size
Galaxy A57Winner: 6.7"+6%
Galaxy M406.3"
Quick verdict
Galaxy A57 leads the measured specs 15-4.
Measured wins
Galaxy A57
15
spec wins
Overall winner
Ties
4
equal specs
Galaxy M40
4
spec wins
Screen size
Technology
Galaxy A57
GSM / HSPA / LTE / 5G
Galaxy M40
GSM / HSPA / LTE
2G bands
Galaxy A57
GSM 850 / 900 / 1800 / 1900
Galaxy M40
GSM 850 / 900 / 1800 / 1900
3G bands
Galaxy A57
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Galaxy M40
HSDPA 850 / 900 / 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
equal specsSD card
Stereo speakers
Galaxy M40
1, 3, 5, 8, 40, 41
5G bands
Galaxy A57
1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6
Galaxy M40
-
Speed
Galaxy A57
HSPA, LTE, 5G
Galaxy M40
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 400/50 Mbps
Announced
Galaxy A57
2026, March 25
Galaxy M40
2019, June. Released 2019, June
Status
Galaxy A57
Released Apr 10, 2026
Galaxy M40
Discontinued
Dimensions
Galaxy A57
161.5 x 76.8 x 6.9 mm (6.36 x 3.02 x 0.27 in)
Galaxy M40
155.3 x 73.9 x 7.9 mm (6.11 x 2.91 x 0.31 in)
Weight
Galaxy A57
179 g (6.31 oz)
Galaxy M40
168 g (5.93 oz)
Build
Galaxy A57
Glass front (Gorilla Glass Victus+), aluminum frame, glass back (Gorilla Glass Victus+)
Galaxy M40
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 M40
Nano-SIM + Nano-SIM
Other
Galaxy A57
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
Galaxy M40
-
Type
Galaxy A57
Super AMOLED+, 120Hz, HDR10+, 1200 nits (HBM), 1900 nits (peak)
Galaxy M40
PLS LCD
Size
Galaxy A57
6.7 inches, 110.2 cm2 (~88.8% screen-to-body ratio)
Galaxy M40
6.3 inches, 97.4 cm2 (~84.9% screen-to-body ratio)
Resolution
Galaxy A57
1080 x 2340 pixels, 19.5:9 ratio (~385 ppi density)
Galaxy M40
1080 x 2340 pixels, 19.5:9 ratio (~409 ppi density)
Protection
Galaxy A57
Corning Gorilla Glass Victus+, Mohs level 5
Galaxy M40
Corning Gorilla Glass 3
OS
Galaxy A57
Android 16, up to 6 major Android upgrades, One UI 8.5
Galaxy M40
Android 9.0 (Pie), upgradable to Android 11, One UI 3.1
Chipset
Galaxy A57
Exynos 1680 (4 nm)
Galaxy M40
Qualcomm SDM675 Snapdragon 675 (11 nm)
CPU
Galaxy A57
Octa-core (1x2.9 GHz Cortex-720 & 4x2.6 GHz Cortex-720 & 3x1.95 GHz Cortex-520)
Galaxy M40
Octa-core (2x2.0 GHz Kryo 460 Gold & 6x1.7 GHz Kryo 460 Silver)
GPU
Galaxy A57
Xclipse 550
Galaxy M40
Adreno 612
Card slot
Galaxy A57
No
Galaxy M40
microSDXC (uses shared SIM slot)
Internal
Galaxy A57
128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM
Galaxy M40
64GB 4GB RAM, 128GB 6GB RAM
Other
Galaxy A57
UFS
Galaxy M40
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 M40
32 MP, f/1.7, 26mm (wide), 1/2.8", 0.8µm, PDAF 8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm, PDAF Auxiliary lens
Features
Galaxy A57
Best Face, LED flash, panorama, HDR
Galaxy M40
LED flash, panorama, HDR
Video
Galaxy A57
4K@30fps, 1080p@30/60fps, HDR, gyro-EIS
Galaxy M40
4K@30fps, 1080p@30fps
Single
Galaxy A57
12 MP, f/2.2, (wide), 1/3.2", 1.12µm
Galaxy M40
16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm
Video
Galaxy A57
4K@30fps, 1080p@30/60fps, 10-bit HDR
Galaxy M40
1080p@30fps
Features
Galaxy A57
-
Galaxy M40
HDR
Loudspeaker
Galaxy A57
Yes, with stereo speakers
Galaxy M40
Yes
3.5mm jack
Galaxy A57
No
Galaxy M40
No
WLAN
Galaxy A57
Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band or tri-band, Wi-Fi Direct
Galaxy M40
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
Galaxy A57
6.0, A2DP, LE
Galaxy M40
5.0, A2DP, LE
Positioning
Galaxy A57
GPS, GALILEO, GLONASS, BDS, QZSS
Galaxy M40
GPS, GLONASS, GALILEO, BDS
NFC
Galaxy A57
Yes (market/region dependent)
Galaxy M40
Yes
Radio
Galaxy A57
No
Galaxy M40
FM radio
USB
Galaxy A57
USB Type-C 2.0, OTG
Galaxy M40
USB Type-C 2.0
Sensors
Galaxy A57
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Galaxy M40
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Type
Galaxy A57
5000 mAh
Galaxy M40
Li-Po 3500 mAh, non-removable
Charging
Galaxy A57
45W wired
Galaxy M40
15W wired
Colors
Galaxy A57
Navy, Gray, Icyblue, Lilac
Galaxy M40
Seawater Blue, Midnight Blue, Cocktail Orange
Models
Galaxy A57
SM-A576B, SM-A576B/DS, SM-A576Q, SM-A576U1, SM-A576W, SM-A576Z, SM-A5760
Galaxy M40
SM-M405F, SM-M405FN, SM-M405G
SAR
Galaxy A57
0.85 W/kg (head) 1.20 W/kg (body)
Galaxy M40
0.20 W/kg (head)
SAR EU
Galaxy A57
0.70 W/kg (head) 1.07 W/kg (body)
Galaxy M40
0.27 W/kg (head) 1.17 W/kg (body)
Price
Galaxy A57
₹ 56,999
Galaxy M40
About 200 EUR