Screen size
Galaxy A57Winner: 6.7"+36%
Galaxy S Lightray 4G R9404.3"
Quick verdict
Galaxy A57 leads the measured specs 19-3.
Measured wins
Galaxy A57
19
spec wins
Overall winner
Ties
1
equal specs
Galaxy S Lightray 4G R940
3
spec wins
Screen size
Technology
Galaxy A57
GSM / HSPA / LTE / 5G
Galaxy S Lightray 4G R940
CDMA / EVDO / LTE
2G bands
Galaxy A57
GSM 850 / 900 / 1800 / 1900
Galaxy S Lightray 4G R940
CDMA 800 / 1700 / 1900
3G bands
Galaxy A57
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Galaxy S Lightray 4G R940
CDMA2000 1xEV-DO
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
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 S Lightray 4G R940
2, 4
5G bands
Galaxy A57
1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6
Galaxy S Lightray 4G R940
-
Speed
Galaxy A57
HSPA, LTE, 5G
Galaxy S Lightray 4G R940
EV-DO Rev.A 3.1 Mbps, LTE
Announced
Galaxy A57
2026, March 25
Galaxy S Lightray 4G R940
2012, August. Released 2012, August
Status
Galaxy A57
Released Apr 10, 2026
Galaxy S Lightray 4G R940
Discontinued
Dimensions
Galaxy A57
161.5 x 76.8 x 6.9 mm (6.36 x 3.02 x 0.27 in)
Galaxy S Lightray 4G R940
130 x 68 x 11.7 mm (5.12 x 2.68 x 0.46 in)
Weight
Galaxy A57
179 g (6.31 oz)
Galaxy S Lightray 4G R940
142 g (5.01 oz)
Build
Galaxy A57
Glass front (Gorilla Glass Victus+), aluminum frame, glass back (Gorilla Glass Victus+)
Galaxy S Lightray 4G R940
-
SIM
Galaxy A57
· Nano-SIM + eSIM· Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time)
Galaxy S Lightray 4G R940
Mini-SIM
Other
Galaxy A57
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
Galaxy S Lightray 4G R940
-
Type
Galaxy A57
Super AMOLED+, 120Hz, HDR10+, 1200 nits (HBM), 1900 nits (peak)
Galaxy S Lightray 4G R940
Super AMOLED Plus
Size
Galaxy A57
6.7 inches, 110.2 cm2 (~88.8% screen-to-body ratio)
Galaxy S Lightray 4G R940
4.3 inches, 52.6 cm2 (~59.5% screen-to-body ratio)
Resolution
Galaxy A57
1080 x 2340 pixels, 19.5:9 ratio (~385 ppi density)
Galaxy S Lightray 4G R940
480 x 800 pixels, 5:3 ratio (~217 ppi density)
Protection
Galaxy A57
Corning Gorilla Glass Victus+, Mohs level 5
Galaxy S Lightray 4G R940
-
OS
Galaxy A57
Android 16, up to 6 major Android upgrades, One UI 8.5
Galaxy S Lightray 4G R940
Android 2.3 (Gingerbread)
Chipset
Galaxy A57
Exynos 1680 (4 nm)
Galaxy S Lightray 4G R940
Exynos 3210
CPU
Galaxy A57
Octa-core (1x2.9 GHz Cortex-720 & 4x2.6 GHz Cortex-720 & 3x1.95 GHz Cortex-520)
Galaxy S Lightray 4G R940
1.0 GHz
GPU
Galaxy A57
Xclipse 550
Galaxy S Lightray 4G R940
-
Card slot
Galaxy A57
No
Galaxy S Lightray 4G R940
microSDHC (dedicated slot), 16 GB included
Internal
Galaxy A57
128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM
Galaxy S Lightray 4G R940
1.4GB
Other
Galaxy A57
UFS
Galaxy S Lightray 4G R940
-
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 S Lightray 4G R940
-
Features
Galaxy A57
Best Face, LED flash, panorama, HDR
Galaxy S Lightray 4G R940
LED flash
Video
Galaxy A57
4K@30fps, 1080p@30/60fps, HDR, gyro-EIS
Galaxy S Lightray 4G R940
720p
Single
Galaxy A57
-
Galaxy S Lightray 4G R940
8 MP, AF
Single
Galaxy A57
12 MP, f/2.2, (wide), 1/3.2", 1.12µm
Galaxy S Lightray 4G R940
1.3 MP
Video
Galaxy A57
4K@30fps, 1080p@30/60fps, 10-bit HDR
Galaxy S Lightray 4G R940
Loudspeaker
Galaxy A57
Yes, with stereo speakers
Galaxy S Lightray 4G R940
Yes
3.5mm jack
Galaxy A57
No
Galaxy S Lightray 4G R940
Yes
WLAN
Galaxy A57
Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band or tri-band, Wi-Fi Direct
Galaxy S Lightray 4G R940
Wi-Fi 802.11 b/g/n
Bluetooth
Galaxy A57
6.0, A2DP, LE
Galaxy S Lightray 4G R940
3.0, A2DP
Positioning
Galaxy A57
GPS, GALILEO, GLONASS, BDS, QZSS
Galaxy S Lightray 4G R940
GPS, A-GPS
NFC
Galaxy A57
Yes (market/region dependent)
Galaxy S Lightray 4G R940
-
Radio
Galaxy A57
No
Galaxy S Lightray 4G R940
No
USB
Galaxy A57
USB Type-C 2.0, OTG
Galaxy S Lightray 4G R940
microUSB 2.0
Sensors
Galaxy A57
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Galaxy S Lightray 4G R940
Accelerometer, proximity, compass
Other
Galaxy A57
-
Galaxy S Lightray 4G R940
HDMI port MP4/WMV/H.264 player MP3/WAV/WMA/eAAC+ player Photo/video editor Document viewer
Type
Galaxy A57
5000 mAh
Galaxy S Lightray 4G R940
Removable Li-Ion 1600 mAh battery
Charging
Galaxy A57
45W wired
Galaxy S Lightray 4G R940
-
Stand-by
Galaxy A57
-
Galaxy S Lightray 4G R940
Up to 200 h
Talk time
Galaxy A57
-
Galaxy S Lightray 4G R940
Up to 3 h 30 min
Colors
Galaxy A57
Navy, Gray, Icyblue, Lilac
Galaxy S Lightray 4G R940
Black
Models
Galaxy A57
SM-A576B, SM-A576B/DS, SM-A576Q, SM-A576U1, SM-A576W, SM-A576Z, SM-A5760
Galaxy S Lightray 4G R940
-
SAR
Galaxy A57
0.85 W/kg (head) 1.20 W/kg (body)
Galaxy S Lightray 4G R940
0.72 W/kg (head) 0.45 W/kg (body)
SAR EU
Galaxy A57
0.70 W/kg (head) 1.07 W/kg (body)
Galaxy S Lightray 4G R940
-
Price
Galaxy A57
₹ 56,999
Galaxy S Lightray 4G R940
About 100 EUR