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General

NameOppo R15 Dream Mirror EditionXiaomi Black Shark 3S-
ModelR15 Dream Mirror EditionBlack Shark 3S-
PriceTK. 51,990Tk 60,000-

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 & TD-SCDMA-
Network 3GHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 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, 3, 4, 5, 7, 8, 12, 17, 20, 34, 38, 39, 40, 41-
Network SpeedHSPA, LTEHSPA 42.2/5.76 Mbps, LTE-A; 5G-
Network GPRSYesYes-
Network EDGEYesYes-
Network 5G-41, 78, 79 SA/NSA-

Display

Display TypeAMOLED capacitive touchscreen, 16M ColorsAMOLED capacitive touchscreen, 16M colors-
Display Size6.28 inches, 98.9 cm2 (~84.9% screen-to-body ratio6.67 inches, 107.4 cm2 (~82.4% screen-to-body ratio)-
Display Resolution1080 x 2280 pixels1080 x 2400 pixels, 20:9 ratio (~395 ppi density)-
Display MultitouchYesYes-
Display Density401 ppi density--
Display Screen ProtectionCorning Gorilla Glass 5 - ColorOS 5.0Always-on display 120Hz refresh rate 500 nits typ. brightness (advertised) HDR10+-

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 Flash64MP, f/1.8, 26mm (wide), 1/1.72-
Secondary Camera20 MP, f/2.0, 1080p20MP, f/2.0, (wide), 1/3-
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panoramaLED flash, HDR, panorama HDR-
Video[email protected][email protected]/60fps, [email protected]/60/240fps, [email protected] [email protected]-

Body

Body Dimensions155.3 x 75 x 7.5 mm (6.11 x 2.95 x 0.30 in)168.7 x 77.3 x 10.4 mm (6.64 x 3.04 x 0.41 in)-
Body Weight155.3 x 75 x 7.5 mm (6.11 x 2.95 x 0.30 in)222 g (7.83 oz)-
Body BuildFront glass, ceramic bodyGlass front, aluminum back, aluminum frame-
Body ColorCeramic Black, Dream Mirror RedSky Cloud Black, Crystal Blue-

Launch

Launch AnnouncementMarch, 20182020, July 31-
Launch DateRelease April 1st, 2018Exp. release 2020, August 04-

Platform

Operating SystemAndroid 8.1 OreoAndroid 10.0-
CPUOcta-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)Octa-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585)-
GPUAdreno 512Adreno 650-
ChipsetQualcomm SDM660 Snapdragon 660Qualcomm SM8250 Snapdragon 865 (7 nm+)-

Memory

Memory Internal128 GB256GB, 512GB UFS 3.1-
Memory ExternalmicroSD, up to 256 GB (uses SIM 2 slot)No-
Ram6 GB 12GB-

Battery

Battery TypeNon-removable Li-Po BatteryNon-removable Li-Po-
Battery Capacity3400 mAh 4729 mAh-
Charging -Fast charging 65W, 100% in 38 min (advertised) Magnetic charging 18W-

Multimedia

Fm RadioNoNo-

Sound

AudioVibration, MP3, WAV RingtonesVibration, MP3, WAV ringtones-
LoudspeakerYesYes, with stereo speakers-
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/ax, dual-band, Wi-Fi Direct, hotspot-
Bluetooth5.0, A2DP, LE, EDR5.0, A2DP, LE, aptX HD, aptX Adaptive-
USBmicroUSB 2.0, USB On-The-Go2.0, Type-C 1.0 reversible connector-
GPSYes, with A-GPS, GLONASSYes, with A-GPS, GLONASS, GALILEO, QZSS, BDS-

Features

SensorsFingerprint/rear-mounted, accelerometer, gyro, proximity, compassFingerprint -under display, optical, accelerometer, gyro, proximity, compass-
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 editorColor: Sky Cloud Black, Crystal Blue-