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General

NameOppo R15 Dream Mirror EditionSamsung Galaxy A51 5G-
ModelR15 Dream Mirror EditionGalaxy A51 5G-
PriceTK. 51,990Tk 40,000-

Network

Network TypeGSM / CDMA / HSPA / LTEGSM / HSPA / LTE / 5G-
Network 2GGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMAGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)-
Network 3GHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100-
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, 13, 17, 20, 26, 28, 38, 40, 41, 66-
Network SpeedHSPA, LTEHSPA, LTE-A, 5G-
Network GPRSYesYes-
Network EDGEYesYes-
Network 5G-SA/NSA-

Display

Display TypeAMOLED capacitive touchscreen, 16M ColorsSuper AMOLED capacitive touchscreen, 16M colors-
Display Size6.28 inches, 98.9 cm2 (~84.9% screen-to-body ratio6.5 inches, 102.0 cm2 (~87.2% screen-to-body ratio)-
Display Resolution1080 x 2280 pixels1080 x 2400 pixels, 20:9 ratio (~405 ppi density)-
Display MultitouchYesYes-
Display Density401 ppi density--
Display Screen ProtectionCorning Gorilla Glass 5 - ColorOS 5.0Corning Gorilla Glass 3-

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 Flash48MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF
12MP, f/2.2, 123° (ultrawide)
5MP, f/2.4, (macro)
5MP, f/2.2, (depth)
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Secondary Camera20 MP, f/2.0, 1080p32MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm-
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panoramaLED flash, panorama, HDR HDR-
Video[email protected][email protected], [email protected]/120fps; gyro-EIS [email protected]-

Body

Body Dimensions155.3 x 75 x 7.5 mm (6.11 x 2.95 x 0.30 in)158.9 x 73.6 x 8.7 mm (6.26 x 2.90 x 0.34 in)-
Body Weight155.3 x 75 x 7.5 mm (6.11 x 2.95 x 0.30 in)187 g (6.60 oz)-
Body BuildFront glass, ceramic bodyGlass front (Gorilla Glass 3), plastic back, plastic frame-
Body ColorCeramic Black, Dream Mirror RedPrism Cube Black, Prism Cube White, Prism Cube Pink-

Launch

Launch AnnouncementMarch, 20182020, April 8-
Launch DateRelease April 1st, 20182020, May 29-

Platform

Operating SystemAndroid 8.1 OreoAndroid 10.0; One UI 2-
CPUOcta-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)Octa-core (2x2.2 GHz Cortex-A77 & 6x1.8 GHz Cortex A55)-
GPUAdreno 512Mali-G76 MP5-
ChipsetQualcomm SDM660 Snapdragon 660Exynos 980 (8 nm)-

Memory

Memory Internal128 GB128GB-
Memory ExternalmicroSD, up to 256 GB (uses SIM 2 slot)microSDXC (dedicated slot)-
Ram6 GB 6GB, 8GB-

Battery

Battery TypeNon-removable Li-Po BatteryNon-removable Li-Po-
Battery Capacity3400 mAh 4500 mAh-

Multimedia

Fm RadioNoNo-

Sound

AudioVibration, MP3, WAV RingtonesVibration, MP3, WAV ringtones-
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, dual-band, Wi-Fi Direct, hotspot-
Bluetooth5.0, A2DP, LE, EDR5.0, A2DP, LE-
USBmicroUSB 2.0, USB On-The-Go2.0, Type-C 1.0 reversible connector, USB On-The-Go-
GPSYes, with A-GPS, GLONASSYes, with A-GPS, GLONASS, GALILEO, BDS-

Features

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

Other

Made ByChinaKorea-
Other FeaturesFast battery charging: VOOC Flash Charge ,5V/4A MP4/H.264 player, MP3/WAV/eAAC+/FLAC player, Document viewer, Photo/video editorFast charging 15W-