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General

NameOppo R15 Dream Mirror EditionVivo Y3s -
ModelR15 Dream Mirror EditionY3s -
PriceTK. 51,990Tk 17,000-

Network

Network TypeGSM / CDMA / HSPA / LTE GSM / 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 / 2100 HSDPA 850 / 900 / 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, 3, 5, 8, 34, 38, 39, 40, 41 -
Network SpeedHSPA, LTE HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps -
Network GPRSYesYes-
Network EDGEYesYes-

Display

Display TypeAMOLED capacitive touchscreen, 16M Colors IPS LCD -
Display Size6.28 inches, 98.9 cm2 (~84.9% screen-to-body ratio 6.35 inches, 99.6 cm2 -
Display Resolution1080 x 2280 pixels 720 x 1544 pixels -
Display MultitouchYesYes-
Display Density401 ppi density 268 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 Flash13MP
2MP
-
Secondary Camera20 MP, f/2.0, 1080p8MP, f/1.8-
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panoramaHDR, panorama-
Video[email protected] 1080p @30fps, 1920×1080 pixels -

Body

Body Dimensions155.3 x 75 x 7.5 mm (6.11 x 2.95 x 0.30 in) 159.4 x 76.8 x 8.9 mm (6.28 x 3.02 x 0.35 in) -
Body Weight155.3 x 75 x 7.5 mm (6.11 x 2.95 x 0.30 in) 190.5 g (6.74 oz) -
Body BuildFront glass, ceramic body Glass front, plastic back, plastic frame -
Body ColorCeramic Black, Dream Mirror RedDark Blue, Light Blue, Red-

Launch

Launch AnnouncementMarch, 2018 21 September, 2020 -
Launch DateRelease April 1st, 2018 Release. 26 October, 2020 -

Platform

Operating SystemAndroid 8.1 Oreo Android 9.0 (Pie), Funtouch 9 -
CPUOcta-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260) Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) -
GPUAdreno 512 PowerVR GE8320 -
ChipsetQualcomm SDM660 Snapdragon 660 Mediatek MT6765 Helio P35 (12nm) -

Memory

Memory Internal128 GB128GB -
Memory ExternalmicroSD, up to 256 GB (uses SIM 2 slot) microSDXC (dedicated slot) -
Ram6 GB 4GB -

Battery

Battery TypeNon-removable Li-Po Battery Li-Poly (Lithium Polymer) -
Battery Capacity3400 mAh 5000 mAh -
Charging-Charging 10W-

Multimedia

Fm RadioNoNo-

Sound

AudioVibration, MP3, WAV Ringtones Vibration, MP3, 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, Hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot -
Bluetooth5.0, A2DP, LE, EDR 5.0, A2DP, LE -
USBmicroUSB 2.0, USB On-The-Go microUSB 2.0, USB On-The-Go -
GPSYes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, GALILEO, BDS -

Features

SensorsFingerprint/rear-mounted, accelerometer, gyro, proximity, compassFingerprint -rear-mounted, accelerometer, proximity, compass-
MessagingSMS(threaded view), MMS, Email, Push Email SMS(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 editorCharging 10W-