Screen size
Galaxy A57Winner: 6.7"+55%
Rex 70 S38023.0"
Quick verdict
Galaxy A57 leads the measured specs 19-3.
Measured wins
Galaxy A57
19
spec wins
Overall winner
Ties
1
equal specs
Rex 70 S3802
3
spec wins
Screen size
Technology
Galaxy A57
GSM / HSPA / LTE / 5G
Rex 70 S3802
GSM
2G bands
Galaxy A57
GSM 850 / 900 / 1800 / 1900
Rex 70 S3802
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
Galaxy A57
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Rex 70 S3802
-
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
Rex 70 S3802
-
5G bands
Galaxy A57
1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6
Rex 70 S3802
-
Speed
Galaxy A57
HSPA, LTE, 5G
Rex 70 S3802
-
GPRS
Galaxy A57
-
Rex 70 S3802
Yes
EDGE
Galaxy A57
-
Rex 70 S3802
Yes
Announced
Galaxy A57
2026, March 25
Rex 70 S3802
2013, February. Released 2013, March
Status
Galaxy A57
Released Apr 10, 2026
Rex 70 S3802
Discontinued
Dimensions
Galaxy A57
161.5 x 76.8 x 6.9 mm (6.36 x 3.02 x 0.27 in)
Rex 70 S3802
104.9 x 57.2 x 12 mm (4.13 x 2.25 x 0.47 in)
Weight
Galaxy A57
179 g (6.31 oz)
Rex 70 S3802
89.2 g (3.14 oz)
Build
Galaxy A57
Glass front (Gorilla Glass Victus+), aluminum frame, glass back (Gorilla Glass Victus+)
Rex 70 S3802
-
SIM
Galaxy A57
· Nano-SIM + eSIM· Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time)
Rex 70 S3802
Dual SIM (Mini-SIM)
Other
Galaxy A57
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
Rex 70 S3802
-
Type
Galaxy A57
Super AMOLED+, 120Hz, HDR10+, 1200 nits (HBM), 1900 nits (peak)
Rex 70 S3802
TFT, 65K colors
Size
Galaxy A57
6.7 inches, 110.2 cm2 (~88.8% screen-to-body ratio)
Rex 70 S3802
3.0 inches, 27.9 cm2 (~46.4% screen-to-body ratio)
Resolution
Galaxy A57
1080 x 2340 pixels, 19.5:9 ratio (~385 ppi density)
Rex 70 S3802
240 x 320 pixels, 4:3 ratio (~133 ppi density)
Protection
Galaxy A57
Corning Gorilla Glass Victus+, Mohs level 5
Rex 70 S3802
-
OS
Galaxy A57
Android 16, up to 6 major Android upgrades, One UI 8.5
Rex 70 S3802
-
Chipset
Galaxy A57
Exynos 1680 (4 nm)
Rex 70 S3802
-
CPU
Galaxy A57
Octa-core (1x2.9 GHz Cortex-720 & 4x2.6 GHz Cortex-720 & 3x1.95 GHz Cortex-520)
Rex 70 S3802
-
GPU
Galaxy A57
Xclipse 550
Rex 70 S3802
-
Card slot
Galaxy A57
No
Rex 70 S3802
microSDHC (dedicated slot)
Internal
Galaxy A57
128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM
Rex 70 S3802
10MB
Other
Galaxy A57
UFS
Rex 70 S3802
-
Phonebook
Galaxy A57
-
Rex 70 S3802
Yes
Call records
Galaxy A57
-
Rex 70 S3802
Yes
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)
Rex 70 S3802
-
Features
Galaxy A57
Best Face, LED flash, panorama, HDR
Rex 70 S3802
-
Video
Galaxy A57
4K@30fps, 1080p@30/60fps, HDR, gyro-EIS
Rex 70 S3802
Yes
Single
Galaxy A57
-
Rex 70 S3802
2 MP
Single
Galaxy A57
12 MP, f/2.2, (wide), 1/3.2", 1.12µm
Rex 70 S3802
-
Video
Galaxy A57
4K@30fps, 1080p@30/60fps, 10-bit HDR
Rex 70 S3802
-
Other
Galaxy A57
-
Rex 70 S3802
No
Loudspeaker
Galaxy A57
Yes, with stereo speakers
Rex 70 S3802
Yes
3.5mm jack
Galaxy A57
No
Rex 70 S3802
Yes
WLAN
Galaxy A57
Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band or tri-band, Wi-Fi Direct
Rex 70 S3802
Wi-Fi 802.11 b/g/n
Bluetooth
Galaxy A57
6.0, A2DP, LE
Rex 70 S3802
3.0
Positioning
Galaxy A57
GPS, GALILEO, GLONASS, BDS, QZSS
Rex 70 S3802
No
NFC
Galaxy A57
Yes (market/region dependent)
Rex 70 S3802
No
Radio
Galaxy A57
No
Rex 70 S3802
FM radio
USB
Galaxy A57
USB Type-C 2.0, OTG
Rex 70 S3802
microUSB 2.0, OTG
Sensors
Galaxy A57
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Rex 70 S3802
Proximity
Messaging
Galaxy A57
-
Rex 70 S3802
SMS, MMS, Email, IM
Games
Galaxy A57
-
Rex 70 S3802
Yes
Java
Galaxy A57
-
Rex 70 S3802
Yes
Other
Galaxy A57
-
Rex 70 S3802
SNS applications MP4/H.263 player MP3/eAAC+/WAV player Organizer Predictive text input
Type
Galaxy A57
5000 mAh
Rex 70 S3802
Li-Ion 1000 mAh, removable
Charging
Galaxy A57
45W wired
Rex 70 S3802
-
Talk time
Galaxy A57
-
Rex 70 S3802
Up to 13 h
Colors
Galaxy A57
Navy, Gray, Icyblue, Lilac
Rex 70 S3802
White, Gray, Blue
Models
Galaxy A57
SM-A576B, SM-A576B/DS, SM-A576Q, SM-A576U1, SM-A576W, SM-A576Z, SM-A5760
Rex 70 S3802
GT-S3802, GT-S3800
SAR
Galaxy A57
0.85 W/kg (head) 1.20 W/kg (body)
Rex 70 S3802
1.07 W/kg (head) 0.54 W/kg (body)
SAR EU
Galaxy A57
0.70 W/kg (head) 1.07 W/kg (body)
Rex 70 S3802
0.78 W/kg (head) 0.71 W/kg (body)
Price
Galaxy A57
₹ 56,999
Rex 70 S3802
About 60 EUR