Xiaomi Redmi S2 Redmi Y2 vs ZTE nubia A57
Product
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Price
170 USD
170 USD
Status
Discontinued
Available
Brand
Xiaomi Mobiles
ZTE Mobiles
Model No
Redmi S2 (Redmi Y2)
ZTE nubia A57
Launch Date
2019, March 19
2026, August 30
Technology
GSM / CDMA / HSPA / LTE
GSM / HSPA / LTE
2G bands
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 ,CDMA 800 & TD-SCDMA - China
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1900 / 2100
4G bands
1, 3, 4, 5, 7, 8, 20, 38, 40 - Global ,1, 3, 5, 40, 41 - India ,1, 3, 5, 7, 8, 34, 38, 39, 40, 41 - China
LTE
Speed
HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps
HSPA, LTE
Dimensions
160.7 x 77.3 x 8.1 mm (6.33 x 3.04 x 0.32 in)
160.1 x 70.4 x 8 mm (6.30 x 2.77 x 0.31 in)
Weight
170 g (6.00 oz)
193 g (6.81 oz)
Build
Glass front, plastic back, plastic frame
Glass front, plastic frame, plastic back
IP64 dust tight and water resistant (water splashes)
SIM
Dual SIM (Nano-SIM, dual stand-by)
Nano-SIM + Nano-SIM
Colors
Silver, Black, Orange
Type
IPS LCD capacitive touchscreen, 16M colors
IPS LCD, 120Hz, 740 nits (HBM)
Size
5.99 inches, 92.6 cm2 (~74.5% screen-to-body ratio)
6.75 inches, 111.4 cm2 (~98.8% screen-to-body ratio)
Resolution
720 x 1440 pixels, 18:9 ratio (~269 ppi density)
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
OS
Android 8.1 (Oreo), upgradable to Android 9.0 (Pie), MIUI 11
Android 16
Chipset
Qualcomm MSM8953 Snapdragon 625 (14 nm)
Unisoc T7250 (12 nm)
CPU
Octa-core 2.0 GHz Cortex-A53
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
GPU
Mali-G57 MP1
RAM
3GB
4GB
Storage
32GB,/64GB
,eMMC 5.1
64GB/128GB
Card Slot
microSDXC (dedicated slot)
microSDXC
Lens 1
12 MP, f/2.2, 1.25μm, PDAF
13 MP
Lens 2
5 MP, f/2.4, (depth)
Features
Main Camera,Dual,12 MP, f/2.2, 1.25?m, PDAF 5 MP, f/2.4, (depth)Features,LED flash, panorama, HDRVideo,1080p@30fps (gyro-EIS)
LED flash, HDR, panorama
Video
1080p@30fps
Lens 1
16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm
8 MP
Features
Single
Video
1080p@30fps
Capacity
Non-removable Li-Po 3080 mAh battery
5000 mAh
Charging
22.5W wired
Bypass charging
Sensors
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Fingerprint (side-mounted), accelerometer, proximity, compass
WLAN
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
4.2, A2DP, LE
5.2, A2DP, LE
GPS
A-GPS, GLONASS, BDSInfrared port,YesRadio,FM radio
GPS, GALILEO, GLONASS
USB
USB Type-C 2.0
Loudspeaker
Yes
3.5mm jack
Yes