Screen size
Galaxy A516.5"
Galaxy A57Winner: 6.7"+3%
Quick verdict
Galaxy A57 leads the measured specs 15-6.
Measured wins
Galaxy A51
6
spec wins
Ties
2
equal specs
Galaxy A57
15
spec wins
Overall winner
Screen size
Technology
Galaxy A51
GSM / HSPA / LTE
Galaxy A57
GSM / HSPA / LTE / 5G
2G bands
Galaxy A51
GSM 850 / 900 / 1800 / 1900
Galaxy A57
GSM 850 / 900 / 1800 / 1900
3G bands
Galaxy A51
HSDPA 850 / 900 / 1900 / 2100 , HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Galaxy A57
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
Galaxy A51
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 66, 2, 4, 5, 12, 13, 25, 26, 41, 66, 71 - SM-A515U
Resolution
Refresh 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 A51
HSPA, LTE
Galaxy A57
HSPA, LTE, 5G
5G bands
Galaxy A51
-
Galaxy A57
1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6
Announced
Galaxy A51
2019, December 12. Released 2019, December 16
Galaxy A57
2026, March 25
Status
Galaxy A51
Discontinued
Galaxy A57
Released Apr 10, 2026
Dimensions
Galaxy A51
158.5 x 73.6 x 7.9 mm (6.24 x 2.90 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 A51
172 g (6.07 oz)
Galaxy A57
179 g (6.31 oz)
Build
Galaxy A51
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 A51
· Nano-SIM· Nano-SIM + Nano-SIM
Galaxy A57
· Nano-SIM + eSIM· Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time)
Other
Galaxy A51
-
Galaxy A57
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
Type
Galaxy A51
Super AMOLED
Galaxy A57
Super AMOLED+, 120Hz, HDR10+, 1200 nits (HBM), 1900 nits (peak)
Size
Galaxy A51
6.5 inches, 102.0 cm2 (~87.4% screen-to-body ratio)
Galaxy A57
6.7 inches, 110.2 cm2 (~88.8% screen-to-body ratio)
Resolution
Galaxy A51
1080 x 2400 pixels, 20:9 ratio (~405 ppi density)
Galaxy A57
1080 x 2340 pixels, 19.5:9 ratio (~385 ppi density)
Protection
Galaxy A51
Corning Gorilla Glass 3
Galaxy A57
Corning Gorilla Glass Victus+, Mohs level 5
OS
Galaxy A51
Android 10, upgradable to Android 13, One UI 5
Galaxy A57
Android 16, up to 6 major Android upgrades, One UI 8.5
Chipset
Galaxy A51
Exynos 9611 (10 nm)
Galaxy A57
Exynos 1680 (4 nm)
CPU
Galaxy A51
Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
Galaxy A57
Octa-core (1x2.9 GHz Cortex-720 & 4x2.6 GHz Cortex-720 & 3x1.95 GHz Cortex-520)
GPU
Galaxy A51
Mali-G72 MP3
Galaxy A57
Xclipse 550
Card slot
Galaxy A51
microSDXC (dedicated slot)
Galaxy A57
No
Internal
Galaxy A51
64GB 4GB RAM, 64GB 6GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM, 256GB 8GB RAM
Galaxy A57
128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM
Other
Galaxy A51
UFS 2.0
Galaxy A57
UFS
Quad
Galaxy A51
48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 12 MP, f/2.2, 123˚ (ultrawide) 5 MP (macro) Auxiliary lens
Galaxy A57
-
Features
Galaxy A51
LED flash, panorama, HDR
Galaxy A57
Best Face, LED flash, panorama, HDR
Video
Galaxy A51
4K@30fps, 1080p@30/120fps; gyro-EIS
Galaxy A57
4K@30fps, 1080p@30/60fps, HDR, gyro-EIS
Triple
Galaxy A51
-
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 A51
32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm
Galaxy A57
12 MP, f/2.2, (wide), 1/3.2", 1.12µm
Features
Galaxy A51
HDR
Galaxy A57
-
Video
Galaxy A51
4K@30fps, 1080p@30fps
Galaxy A57
4K@30fps, 1080p@30/60fps, 10-bit HDR
Loudspeaker
Galaxy A51
Yes
Galaxy A57
Yes, with stereo speakers
3.5mm jack
Galaxy A51
Yes
Galaxy A57
No
WLAN
Galaxy A51
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 A51
5.0, A2DP, LE
Galaxy A57
6.0, A2DP, LE
Positioning
Galaxy A51
GPS, GLONASS, GALILEO, BDS
Galaxy A57
GPS, GALILEO, GLONASS, BDS, QZSS
NFC
Galaxy A51
Yes
Galaxy A57
Yes (market/region dependent)
Radio
Galaxy A51
FM radio
Galaxy A57
No
USB
Galaxy A51
USB Type-C 2.0, OTG
Galaxy A57
USB Type-C 2.0, OTG
Sensors
Galaxy A51
Fingerprint (under display, optical), accelerometer, gyro, compass
Galaxy A57
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Other
Galaxy A51
Virtual proximity sensing ANT+
Galaxy A57
-
Type
Galaxy A51
Li-Po 4000 mAh, non-removable
Galaxy A57
5000 mAh
Charging
Galaxy A51
15W wired
Galaxy A57
45W wired
Colors
Galaxy A51
Prism Crush Black, Prism Crush White, Prism Crush Blue, Prism Crush Pink
Galaxy A57
Navy, Gray, Icyblue, Lilac
Models
Galaxy A51
SM-A515F, SM-A515F/DSN, SM-A515F/DS, SM-A515F/DST, SM-A515F/DSM, SM-A515F/N, SM-A515U, SM-A515U1, SM-A515W, SM-A515X, SM-S515DL
Galaxy A57
SM-A576B, SM-A576B/DS, SM-A576Q, SM-A576U1, SM-A576W, SM-A576Z, SM-A5760
SAR
Galaxy A51
0.80 W/kg (head) 0.67 W/kg (body)
Galaxy A57
0.85 W/kg (head) 1.20 W/kg (body)
SAR EU
Galaxy A51
0.37 W/kg (head) 1.59 W/kg (body)
Galaxy A57
0.70 W/kg (head) 1.07 W/kg (body)
Price
Galaxy A51
About 100 EUR
Galaxy A57
₹ 56,999