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General

NameOppo R15 Dream Mirror EditionSamsung Galaxy M40s-
ModelR15 Dream Mirror EditionGalaxy M40s-
PriceTK. 51,990Tk 22,000-

Network

Network TypeGSM / CDMA / HSPA / LTEGSM / HSPA / LTE-
Network 2GGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMAGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-
Network 3GHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 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)HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 400/50 Mbps-
Network SpeedHSPA, LTELTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)-
Network GPRSYesYes-
Network EDGEYesYes-

Display

Display TypeAMOLED capacitive touchscreen, 16M ColorsPLS TFT Display-
Display Size6.28 inches, 98.9 cm2 (~84.9% screen-to-body ratio6.3 inches, 97.4 cm2 (~84.9% screen-to-body ratio)-
Display Resolution1080 x 2280 pixels1080 x 2340 pixels, 19.5:9 ratio-
Display MultitouchYesYes-
Display Density401 ppi density~409 ppi density-
Display Screen ProtectionCorning Gorilla Glass 5 - ColorOS 5.0Corning Gorilla Glass (unspecified)-

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 Flash32MP, f/1.7, 1/2.8", 0.8µm, PDAF
8MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm, PDAF
5MP, f/2.2, depth sensor
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Secondary Camera20 MP, f/2.0, 1080p16MP, f/2.0, 26mm (wide), 1/3.1", 1.0µm-
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panoramaPanorama, HDR-
Video[email protected]2160p @30fps, 3840×2160 pixels-

Body

Body Dimensions155.3 x 75 x 7.5 mm (6.11 x 2.95 x 0.30 in)155.3 x 73.9 x 7.9 mm (6.11 x 2.91 x 0.31 in)-
Body Weight155.3 x 75 x 7.5 mm (6.11 x 2.95 x 0.30 in)168 g (5.93 oz)-
Body BuildFront glass, ceramic bodyFront glass, plastic body-
Body ColorCeramic Black, Dream Mirror RedSweater Blue, Midnight Blue-

Launch

Launch AnnouncementMarch, 2018EXP: September, 2020-
Launch DateRelease April 1st, 2018Rumored-

Platform

Operating SystemAndroid 8.1 OreoAndroid 9.0 (Pie); One UI-
CPUOcta-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)Octa-core (2x2.0 GHz Kryo 460 Gold & 6x1.7 GHz Kryo 460 Silver)-
GPUAdreno 512Adreno 612-
ChipsetQualcomm SDM660 Snapdragon 660Qualcomm SDM675 Snapdragon 675 (11 nm)-

Memory

Memory Internal128 GB64GB, 128GB ROM-
Memory ExternalmicroSD, up to 256 GB (uses SIM 2 slot)microSD, up to 1TB (dedicated slot)-
Ram6 GB 4GB, 6GB RAM-

Battery

Battery TypeNon-removable Li-Po BatteryLi-Ion (Lithium Ion)-
Battery Capacity3400 mAh 3500 mAh battery-

Multimedia

Fm RadioNoYes-

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-
GPSYes, with A-GPS, GLONASSYes, with A-GPS, GLONASS, BDS-

Features

SensorsFingerprint/rear-mounted, accelerometer, gyro, proximity, compassFingerprint rear-mounted, accelerometer, gyro, proximity, compass-
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 editor--