Screen size
Galaxy A405.9"
Galaxy A57Winner: 6.7"+12%
Quick verdict
Galaxy A57 leads the measured specs 15-5.
Measured wins
Galaxy A40
5
spec wins
Ties
3
equal specs
Galaxy A57
15
spec wins
Overall winner
Screen size
Technology
Galaxy A40
GSM / HSPA / LTE
Galaxy A57
GSM / HSPA / LTE / 5G
2G bands
Galaxy A40
GSM 850 / 900 / 1800 / 1900
Galaxy A57
GSM 850 / 900 / 1800 / 1900
3G bands
Galaxy A40
HSDPA 850 / 900 / 1900 / 2100
Galaxy A57
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
Galaxy A40
1, 3, 5, 7, 8, 20, 38, 40, 41
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 A57
1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 32, 38, 40, 41, 66
Speed
Galaxy A40
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat12 600/150 Mbps
Galaxy A57
HSPA, LTE, 5G
5G bands
Galaxy A40
-
Galaxy A57
1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6
Announced
Galaxy A40
2019, March 19. Released 2019, April
Galaxy A57
2026, March 25
Status
Galaxy A40
Discontinued
Galaxy A57
Released Apr 10, 2026
Dimensions
Galaxy A40
144.4 x 69.2 x 7.9 mm (5.69 x 2.72 x 0.31 in)
Galaxy A57
161.5 x 76.8 x 6.9 mm (6.36 x 3.02 x 0.27 in)
Weight
Galaxy A40
140 g (4.94 oz)
Galaxy A57
179 g (6.31 oz)
Build
Galaxy A40
Glass front (Gorilla Glass 3), plastic back, plastic frame
Galaxy A57
Glass front (Gorilla Glass Victus+), aluminum frame, glass back (Gorilla Glass Victus+)
SIM
Galaxy A40
· Nano-SIM· Nano-SIM + Nano-SIM
Galaxy A57
· Nano-SIM + eSIM· Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time)
Other
Galaxy A40
-
Galaxy A57
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
Type
Galaxy A40
Super AMOLED
Galaxy A57
Super AMOLED+, 120Hz, HDR10+, 1200 nits (HBM), 1900 nits (peak)
Size
Galaxy A40
5.9 inches, 85.5 cm2 (~85.5% screen-to-body ratio)
Galaxy A57
6.7 inches, 110.2 cm2 (~88.8% screen-to-body ratio)
Resolution
Galaxy A40
1080 x 2340 pixels, 19.5:9 ratio (~437 ppi density)
Galaxy A57
1080 x 2340 pixels, 19.5:9 ratio (~385 ppi density)
Protection
Galaxy A40
Corning Gorilla Glass 3
Galaxy A57
Corning Gorilla Glass Victus+, Mohs level 5
OS
Galaxy A40
Android 9.0 (Pie), upgradable to Android 11
Galaxy A57
Android 16, up to 6 major Android upgrades, One UI 8.5
Chipset
Galaxy A40
Exynos 7904 (14 nm)
Galaxy A57
Exynos 1680 (4 nm)
CPU
Galaxy A40
Octa-core (2x1.77 GHz Cortex-A73 & 6x1.59 GHz Cortex-A53)
Galaxy A57
Octa-core (1x2.9 GHz Cortex-720 & 4x2.6 GHz Cortex-720 & 3x1.95 GHz Cortex-520)
GPU
Galaxy A40
Mali-G71 MP2
Galaxy A57
Xclipse 550
Card slot
Galaxy A40
microSDXC (dedicated slot)
Galaxy A57
No
Internal
Galaxy A40
64GB 4GB RAM, 128GB 4GB RAM
Galaxy A57
128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM
Other
Galaxy A40
eMMC 5.1
Galaxy A57
UFS
Dual
Galaxy A40
16 MP, f/1.7, 26mm (wide), PDAF 5 MP, f/2.2, 13mm (ultrawide)
Galaxy A57
-
Features
Galaxy A40
LED flash, panorama, HDR
Galaxy A57
Best Face, LED flash, panorama, HDR
Video
Galaxy A40
1080p@30fps
Galaxy A57
4K@30fps, 1080p@30/60fps, HDR, gyro-EIS
Triple
Galaxy A40
-
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)
Single
Galaxy A40
25 MP, f/2.0, 25mm (wide), 1/2.8", 0.9µm
Galaxy A57
12 MP, f/2.2, (wide), 1/3.2", 1.12µm
Video
Galaxy A40
1080p@30fps
Galaxy A57
4K@30fps, 1080p@30/60fps, 10-bit HDR
Loudspeaker
Galaxy A40
Yes
Galaxy A57
Yes, with stereo speakers
3.5mm jack
Galaxy A40
Yes
Galaxy A57
No
WLAN
Galaxy A40
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Galaxy A57
Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band or tri-band, Wi-Fi Direct
Bluetooth
Galaxy A40
5.0, A2DP, LE
Galaxy A57
6.0, A2DP, LE
Positioning
Galaxy A40
GPS, GLONASS, GALILEO, BDS
Galaxy A57
GPS, GALILEO, GLONASS, BDS, QZSS
NFC
Galaxy A40
Yes
Galaxy A57
Yes (market/region dependent)
Radio
Galaxy A40
FM radio
Galaxy A57
No
USB
Galaxy A40
USB Type-C 2.0
Galaxy A57
USB Type-C 2.0, OTG
Sensors
Galaxy A40
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Galaxy A57
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Other
Galaxy A40
ANT+
Galaxy A57
-
Type
Galaxy A40
Li-Po 3100 mAh, non-removable
Galaxy A57
5000 mAh
Charging
Galaxy A40
15W wired
Galaxy A57
45W wired
Colors
Galaxy A40
Black, White, Blue, Coral
Galaxy A57
Navy, Gray, Icyblue, Lilac
Models
Galaxy A40
SM-A405F, SM-A405FN, SM-A405FM, SM-A405S
Galaxy A57
SM-A576B, SM-A576B/DS, SM-A576Q, SM-A576U1, SM-A576W, SM-A576Z, SM-A5760
SAR EU
Galaxy A40
0.49 W/kg (head) 1.34 W/kg (body)
Galaxy A57
0.70 W/kg (head) 1.07 W/kg (body)
Price
Galaxy A40
About 260 EUR
Galaxy A57
₹ 56,999
SAR
Galaxy A40
-
Galaxy A57
0.85 W/kg (head) 1.20 W/kg (body)