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General

NameXiaomi Redmi S2 (Redmi Y2)Oppo F21 (2020)-
ModelRedmi S2 (Redmi Y2)F21 (2020)-
PriceTK. 14,990Upcoming-

Network

Network TypeGSM / CDMA / HSPA / LTEGSM / HSPA / LTE-
Network 2GGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA - ChinaGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-
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 42.2/5.76 Mbps, LTE-A-
Network GPRSYesYes-
Network EDGEYesYes-

Display

Display TypeIPS LCD capacitive touchscreen, 16M ColorsSuper AMOLED Display-
Display Size5.99 inches, 92.6 cm2 (~74.5% screen-to-body ratio6.44 inches-
Display Resolution720 x 1440 pixels, 18:9 ratio1080 x 2400 pixels, 20:9 ratio-
Display MultitouchYes - MIUI 9.5Yes-
Display Density269 ppi density409 ppi density-

Camera

Primary CameraDual: 12 MP (f/2.2, 1.25μm, PDAF) + 5 MP, gyro-EIS, phase detection autofocus, LED Flash16MP, f/2.2, (wide), 1/3.06", PDAF
8MP, f/2.2, 119? (ultrawide), 1/4.0", 1.12µm
2MP, f/2.4, (macro)
2MP, f/2.4, (depth)
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Secondary Camera16 MP, HDR, LED Flash16MP
2MP
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Camera FeaturesGeo-tagging, Touch focus, Face detection, Panorama, HDRHDR, panorama-
Video[email protected]2160p @30fps, 3840×2160 pixels-

Body

Body Dimensions160.7 x 77.3 x 8.1 mm (6.33 x 3.04 x 0.32 in)159.8 x 72.8 x 7.5 mm (6.29 x 2.87 x 0.30 in)-
Body Weight170 g (6.00 oz)163 g (5.75 oz)-
Body BuildFront glass, plastic bodyGlass front (Gorilla Glass 3), plastic back, plastic frame-
Body ColorGray, Gold, Rose GoldDynamic Orange, Navy Blue, Classic Silver-

Launch

Launch AnnouncementMay, 2018Not announced-
Launch DateReleased May, 2018December, 2020-

Platform

Operating SystemAndroid 8.1 (Oreo)Android 11-
CPUOcta-core 2.0 GHz Cortex-A53Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)-
GPUAdreno 506Adreno 610-
ChipsetQualcomm MSM8953 Snapdragon 625Qualcomm SM6115 Snapdragon 662 (11 nm)-

Memory

Memory Internal32 GB, 64 GB64GB, 128GB ROM-
Memory ExternalmicroSD, up to 256 GB (dedicated slot)microSD-
Ram3 GB, 4 GB 4GB, 6G, 8GB RAM-

Battery

Battery TypeNon-removable Li-Po BatteryLi-Poly (Lithium Polymer)-
Battery Capacity3080 mAh 4000mAh-

Multimedia

Fm RadioYesYes-

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, LE4.2, 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 ByChinaChina-
Other FeaturesMP4/H.265 player, MP3/WAV/eAAC+/FLAC player, Photo/video editor Document viewer 5V/2A 10W charging--