Oppo R15 Dream Mirror Edition vs Wiko Y81
Oppo R15 Dream Mirror Edition
Wiko Y81
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMAGSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 1700(AWS), 1900, 2100HSDPA 850, 900, 1900, 2100
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4G networkLTE frequency 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)LTE frequency band 1, 3, 5, 7, 8, 20, 40
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HSDPA speed-42.2 Mbps
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HSUPA speed-5.76 Mbps
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HSPA speedHSPA-
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LTE speedLTELTE, Cat4, 150 Mbps download, 50 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2018-32020-08
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Status20182020-08
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Design
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BuildFront glass, ceramic bodyPlastic, metal
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SIMHybrid Dual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height155.3 mm157.9 mm
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Width75 mm76.1 mm
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Thickness7.5 mm8.3 mm
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Weight175 g166 g
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ColorsCeramic Black, Dream Mirror RedBlue, Gold, Green
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Display
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Display typeAMOLED capacitive touchscreenIPS LCD
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Physical size6.28 inches6.2 inches
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Resolution1080 x 2280 pixels720 x 1520 pixels
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Pixel density401 ppi271 ppi
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Display colors1677721616777216
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ProtectionCorning Gorilla Glass 52.5D curved glass screen
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MultitouchYes-
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Hardware
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CPUOcta-core-
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CPUQuad-core 2.2 GHz Kryo 260Quad-core 1.8 GHz Cortex-A53
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CPU(second)quad-core 1.8 GHz Kryo 260
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ChipsetQualcomm SDM660 Snapdragon 660Mediatek MT6761D Helio A20
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GPUAdreno 512PowerVR GE8300
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Memory RAM6 GB2 GB
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Internal storage128 GB32 GB
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Memory cardmicroSD(uses second SIM slot)microSD, microSDHC, microSDXC
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Memory card max256 GB256 GB
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OS
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OSAndroid 8.1 (Oreo)Android 10 Go Edition
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Main camera
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Camera typeDualSingle
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Main camera16 MP, f/1.7 , 1/2.6" , 1.22 µm13 MP, f/1.8
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20 MP, f/1.7 , 1/2.8" , 1 µm
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Primary camera resolution4608 x 3456 pixels4160 x 3120 pixels
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Primary camera video2160p@30fps1080p@30fps
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Primary camera Autofocusphase detection autofocus-
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Primary camera flashLED flashLED flash
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Camera featuresGeo-tagging, HDR, face detection, panorama, touch focusAutofocus, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode
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Selfie camera
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Selfie camera type-Single
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Selfie camera20 MP, f/2.05 MP
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Selfie camera resolution5184 x 3880 pixels2560 x 1920 pixels
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Selfie camera video1080p-
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtones-
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Earpiece-Yes
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Multimedia
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RadioNoFM Radio
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11acWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYes-
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WLAN WiFi Dual BandYes-
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USBmicroUSB 2.0microUSB 2.0
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USB On-The-GoYesYes
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Bluetoothv5.0v4.2
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth EDRYes-
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NFC-No
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYes-
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Features
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Messaging SMSSMS(threaded view)-
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Messaging MMSMMS-
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Messaging EmailEmail-
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Messaging Push EmailPush Email-
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SensorsFingerprint (rear-mounted), accelerometer, compass, gyro, proximityAccelerometer, compass, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity3400 mAh4000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingVOOC Flash Charge-
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Talk time 2G-36.4 h
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Talk time 3G-20 h
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Standby time 2G-509 h
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Standby time 3G-580 h
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Tests and performance
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Antutu-50300 (v8)
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Geekbench(single-core)-125 (v5.2)
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Geekbench(multi-core)-432 (v5.2)
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SAR value
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SAR(head)-0.56 W/kg
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SAR(body)-1.61 W/kg
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Cost
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Price-100 USD
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