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General

NameOppo R15 Dream Mirror EditionXiaomi Mix 4-
ModelR15 Dream Mirror EditionMix 4-
PriceTK. 51,990Tk 70,000-

Network

Network TypeGSM / CDMA / HSPA / LTEGSM / CDMA / HSPA / EVDO / LTE / 5G-
Network 2GGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMAGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800-
Network 3GHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DO-
Network 4GLTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42-
Network SpeedHSPA, LTEHSPA 42.2/5.76 Mbps, LTE-A, 5G-
Network GPRSYesYes-
Network EDGEYesYes-
Network 5G-1, 3, 5, 8, 28, 41, 77, 78, 79 SA/NSA/Sub6-

Display

Display TypeAMOLED capacitive touchscreen, 16M ColorsAMOLED, 120Hz, HDR10+, Dolby Vision, 800 nits (HBM)-
Display Size6.28 inches, 98.9 cm2 (~84.9% screen-to-body ratio6.67 inch-
Display Resolution1080 x 2280 pixels1080 x 2400 pixels, 20:9 ratio-
Display MultitouchYesYes-
Display Density401 ppi density~395 ppi density-
Display Screen ProtectionCorning Gorilla Glass 5 - ColorOS 5.0--

Camera

Primary CameraDual: 16 MP (f/1.7, 1/2.6`, 1.22 µm, PDAF) + 20 MP (f/1.7, 1/2.8`, 1 µm), , phase detection autofocus, LED Flash108MP+8MP+13MP-
Secondary Camera20 MP, f/2.0, 1080p20MP-
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panoramaDual-LED flash, HDR, panorama-
Video[email protected][email protected]-

Body

Body Dimensions155.3 x 75 x 7.5 mm (6.11 x 2.95 x 0.30 in)162.6 x 75.4 x 8 mm (6.40 x 2.97 x 0.31 in)-
Body Weight155.3 x 75 x 7.5 mm (6.11 x 2.95 x 0.30 in)225 g (7.94 oz)-
Body BuildFront glass, ceramic bodyGlass front (Gorilla Glass Victus), ceramic back, aluminum frame-
Body ColorCeramic Black, Dream Mirror RedCeramic Black, Ceramic White, Shadow Gray-

Launch

Launch AnnouncementMarch, 201810 August 2021-
Launch DateRelease April 1st, 2018EXP. December 2021-

Platform

Operating SystemAndroid 8.1 OreoAndroid 11, MIUI 12.5-
CPUOcta-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)Octa-core (1x2.99 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680)-
GPUAdreno 512Adreno 660-
ChipsetQualcomm SDM660 Snapdragon 660Qualcomm SM8350 Snapdragon 888+ 5G (5 nm)-
OS Version-11, MIUI 12.5-

Memory

Memory Internal128 GB128,256,512GB UFS 3.1-
Memory ExternalmicroSD, up to 256 GB (uses SIM 2 slot)No-
Ram6 GB 8,12GB-

Battery

Battery TypeNon-removable Li-Po BatteryLi-Poly Lithium Polymer-
Battery Capacity3400 mAh 4500 mAh-

Multimedia

Fm RadioNoNo-

Sound

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

Connectivity

WiFiWi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, HotspotWi-Fi 802.11 a/b/g/n/ac/6e-
Bluetooth5.0, A2DP, LE, EDR5.2, A2DP, LE, aptX HD-
USBmicroUSB 2.0, USB On-The-GoUSB Type-C 2.0-
GPSYes, with A-GPS, GLONASSYes, with dual-band A-GPS, GLONASS, GALILEO, BDS, QZSS, NavIC-

Features

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

Other

Made ByChinaChina-
Other FeaturesFast battery charging: VOOC Flash Charge ,5V/4A MP4/H.264 player, MP3/WAV/eAAC+/FLAC player, Document viewer, Photo/video editor--