Screen size
Galaxy A57Winner: 6.7"+31%
Galaxy S II Skyrocket HD I7574.7"
Quick verdict
Galaxy A57 leads the measured specs 19-2.
Measured wins
Galaxy A57
19
spec wins
Overall winner
Ties
2
equal specs
Galaxy S II Skyrocket HD I757
2
spec wins
Screen size
Technology
Galaxy A57
GSM / HSPA / LTE / 5G
Galaxy S II Skyrocket HD I757
GSM / HSPA / LTE
2G bands
Galaxy A57
GSM 850 / 900 / 1800 / 1900
Galaxy S II Skyrocket HD I757
GSM 850 / 900 / 1800 / 1900
3G bands
Galaxy A57
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Galaxy S II Skyrocket HD I757
HSDPA 850 / 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
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 S II Skyrocket HD I757
4, 17
5G bands
Galaxy A57
1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6
Galaxy S II Skyrocket HD I757
-
Speed
Galaxy A57
HSPA, LTE, 5G
Galaxy S II Skyrocket HD I757
HSPA 21.1/5.76 Mbps, LTE
Announced
Galaxy A57
2026, March 25
Galaxy S II Skyrocket HD I757
2012, January
Status
Galaxy A57
Released Apr 10, 2026
Galaxy S II Skyrocket HD I757
Discontinued
Dimensions
Galaxy A57
161.5 x 76.8 x 6.9 mm (6.36 x 3.02 x 0.27 in)
Galaxy S II Skyrocket HD I757
-
Weight
Galaxy A57
179 g (6.31 oz)
Galaxy S II Skyrocket HD I757
-
Build
Galaxy A57
Glass front (Gorilla Glass Victus+), aluminum frame, glass back (Gorilla Glass Victus+)
Galaxy S II Skyrocket HD I757
-
SIM
Galaxy A57
· Nano-SIM + eSIM· Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time)
Galaxy S II Skyrocket HD I757
Micro-SIM
Other
Galaxy A57
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
Galaxy S II Skyrocket HD I757
-
Type
Galaxy A57
Super AMOLED+, 120Hz, HDR10+, 1200 nits (HBM), 1900 nits (peak)
Galaxy S II Skyrocket HD I757
Super AMOLED
Size
Galaxy A57
6.7 inches, 110.2 cm2 (~88.8% screen-to-body ratio)
Galaxy S II Skyrocket HD I757
4.65 inches, 59.6 cm2
Resolution
Galaxy A57
1080 x 2340 pixels, 19.5:9 ratio (~385 ppi density)
Galaxy S II Skyrocket HD I757
720 x 1280 pixels, 16:9 ratio (~316 ppi density)
Protection
Galaxy A57
Corning Gorilla Glass Victus+, Mohs level 5
Galaxy S II Skyrocket HD I757
Corning Gorilla Glass
Other
Galaxy A57
-
Galaxy S II Skyrocket HD I757
TouchWiz UI
OS
Galaxy A57
Android 16, up to 6 major Android upgrades, One UI 8.5
Galaxy S II Skyrocket HD I757
Android 2.3.5 (Gingerbread)
Chipset
Galaxy A57
Exynos 1680 (4 nm)
Galaxy S II Skyrocket HD I757
-
CPU
Galaxy A57
Octa-core (1x2.9 GHz Cortex-720 & 4x2.6 GHz Cortex-720 & 3x1.95 GHz Cortex-520)
Galaxy S II Skyrocket HD I757
Dual-core 1.5 GHz
GPU
Galaxy A57
Xclipse 550
Galaxy S II Skyrocket HD I757
-
Card slot
Galaxy A57
No
Galaxy S II Skyrocket HD I757
microSDHC (dedicated slot)
Internal
Galaxy A57
128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM
Galaxy S II Skyrocket HD I757
16GB 1GB RAM
Other
Galaxy A57
UFS
Galaxy S II Skyrocket HD I757
-
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 II Skyrocket HD I757
-
Features
Galaxy A57
Best Face, LED flash, panorama, HDR
Galaxy S II Skyrocket HD I757
LED flash
Video
Galaxy A57
4K@30fps, 1080p@30/60fps, HDR, gyro-EIS
Galaxy S II Skyrocket HD I757
1080p@30fps
Single
Galaxy A57
-
Galaxy S II Skyrocket HD I757
8 MP, AF
Single
Galaxy A57
12 MP, f/2.2, (wide), 1/3.2", 1.12µm
Galaxy S II Skyrocket HD I757
2 MP
Video
Galaxy A57
4K@30fps, 1080p@30/60fps, 10-bit HDR
Galaxy S II Skyrocket HD I757
Loudspeaker
Galaxy A57
Yes, with stereo speakers
Galaxy S II Skyrocket HD I757
Yes
3.5mm jack
Galaxy A57
No
Galaxy S II Skyrocket HD I757
Yes
WLAN
Galaxy A57
Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band or tri-band, Wi-Fi Direct
Galaxy S II Skyrocket HD I757
Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspot
Bluetooth
Galaxy A57
6.0, A2DP, LE
Galaxy S II Skyrocket HD I757
3.0, A2DP, aptX
Positioning
Galaxy A57
GPS, GALILEO, GLONASS, BDS, QZSS
Galaxy S II Skyrocket HD I757
GPS, A-GPS
NFC
Galaxy A57
Yes (market/region dependent)
Galaxy S II Skyrocket HD I757
Yes
Radio
Galaxy A57
No
Galaxy S II Skyrocket HD I757
-
USB
Galaxy A57
USB Type-C 2.0, OTG
Galaxy S II Skyrocket HD I757
microUSB 2.0
Sensors
Galaxy A57
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Galaxy S II Skyrocket HD I757
Accelerometer, gyro, proximity, compass
Other
Galaxy A57
-
Galaxy S II Skyrocket HD I757
MP4/DivX/XviD/WMV/H.264 player MP3/WAV/eAAC+/AC3/FLAC player Photo/video editor Document editor
Type
Galaxy A57
5000 mAh
Galaxy S II Skyrocket HD I757
Removable Li-Ion battery
Charging
Galaxy A57
45W wired
Galaxy S II Skyrocket HD I757
-
Colors
Galaxy A57
Navy, Gray, Icyblue, Lilac
Galaxy S II Skyrocket HD I757
Black
Models
Galaxy A57
SM-A576B, SM-A576B/DS, SM-A576Q, SM-A576U1, SM-A576W, SM-A576Z, SM-A5760
Galaxy S II Skyrocket HD I757
-
SAR
Galaxy A57
0.85 W/kg (head) 1.20 W/kg (body)
Galaxy S II Skyrocket HD I757
0.43 W/kg (head) 0.77 W/kg (body)
SAR EU
Galaxy A57
0.70 W/kg (head) 1.07 W/kg (body)
Galaxy S II Skyrocket HD I757
0.30 W/kg (head)
Price
Galaxy A57
₹ 56,999
Galaxy S II Skyrocket HD I757
About 430 EUR