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General

NameXiaomi Redmi S2 (Redmi Y2)Samsung Galaxy A31 5G-
ModelRedmi S2 (Redmi Y2)Galaxy A31 5G-
PriceTK. 14,990Upcoming-

Network

Network TypeGSM / CDMA / HSPA / LTEGSM / CDMA / HSPA / EVDO / LTE / 5G -
Network 2GGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA - ChinaGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -
Network 3GHSDPA 850 / 900 / 1900 / 2100HSDPA 850 / 900 / 1900 / 2100 -
Network 4GLTE band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300)LTE-
Network SpeedHSPA, LTEHSPA, LTE-A -
Network GPRSYesYes-
Network EDGEYesYes-
Network 5G-SA/NSA -

Display

Display TypeIPS LCD capacitive touchscreen, 16M ColorsSuper AMOLED Display -
Display Size5.99 inches, 92.6 cm2 (~74.5% screen-to-body ratio6.4 inches-
Display Resolution720 x 1440 pixels, 18:9 ratio1080 x 2400 pixels-
Display MultitouchYes - MIUI 9.5Yes-
Display Density269 ppi density411 ppi density -

Camera

Primary CameraDual: 12 MP (f/2.2, 1.25μm, PDAF) + 5 MP, gyro-EIS, phase detection autofocus, LED Flash48MP
8MP
5MP
5MP
-
Secondary Camera16 MP, HDR, LED Flash20MP-
Camera FeaturesGeo-tagging, Touch focus, Face detection, Panorama, HDRHDR, panorama -
Video[email protected]2160p @120fps, 3840×2160 pixels -

Body

Body Dimensions160.7 x 77.3 x 8.1 mm (6.33 x 3.04 x 0.32 in)159.3 x 73.1 x 8.6 mm (6.27 x 2.88 x 0.34 in) -
Body Weight170 g (6.00 oz)185 g (6.53 oz) -
Body BuildFront glass, plastic body--
Body ColorGray, Gold, Rose GoldPrism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White -

Launch

Launch AnnouncementMay, 2018Not announced -
Launch DateReleased May, 2018Exp. July, 2021 -

Platform

Operating SystemAndroid 8.1 (Oreo)Android 10.0; One UI 2.0 -
CPUOcta-core 2.0 GHz Cortex-A53Octa-core (2x2.0 GHz & 6x1.7 GHz) -
GPUAdreno 506Mali-G71 MP2 -
ChipsetQualcomm MSM8953 Snapdragon 625Exynos 7904 (14 nm) -

Memory

Memory Internal32 GB, 64 GB64GB ROM-
Memory ExternalmicroSD, up to 256 GB (dedicated slot)microSDXC-
Ram3 GB, 4 GB 4GB RAM-

Battery

Battery TypeNon-removable Li-Po BatteryLi-Poly-
Battery Capacity3080 mAh 5000 mAh Li-Poly Battery -
Charging-Fast battery charging 15W -
Wireless Charging-Yes-

Multimedia

Fm RadioYesNo-

Sound

AudioVibration, MP3, WAV RingtonesVibration, MP3, WAV ringtones -
LoudspeakerYesYes-
3.5mm JackYes - Active noise cancellation with dedicated micYes-

Connectivity

WiFiWi-Fi 802.11 b/g/n, WiFi Direct, HotspotWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot -
Bluetooth4.2, A2DP, LE5.0, A2DP, LE -
USBmicroUSB 2.02.0, Type-C 1.0 reversible connector, USB On-The-Go -
GPSYes, with A-GPS, GLONASS, BDSYes, with A-GPS, GLONASS, GALILEO, BDS -

Features

SensorsFingerprint-rear-mounted, accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass -
MessagingSMS(threaded view), MMS, Email, Push Email, IMSMS(threaded view), MMS, Email, Push Email, IM -
BrowserHTML5HTML5-
JavaNoNo-

Other

Made ByChinaKorea-
Other FeaturesMP4/H.265 player, MP3/WAV/eAAC+/FLAC player, Photo/video editor Document viewer 5V/2A 10W chargingFingerprint Sensor Position: Under Display -