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General

NameOppo R15 Dream Mirror EditionSamsung Galaxy S20 Ultra-
ModelR15 Dream Mirror Edition Galaxy S20 Ultra-
PriceTK. 51,990Tk 112,999-

Network

Network TypeGSM / CDMA / HSPA / LTEGSM / CDMA / HSPA / EVDO / LTE-
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) CDMA 800 / 1900 & TD-SCDMA-
Network 3GHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 1700(AWS) / 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)LTE (unspecified)-
Network SpeedHSPA, LTEHSPA 42.2/5.76 Mbps, LTE-A (7CA) Cat20 2000/200 Mbps-
Network GPRSYesYes-
Network EDGEYesYes-

Display

Display TypeAMOLED capacitive touchscreen, 16M ColorsDynamic AMOLED 2X capacitive touchscreen, 16M colors-
Display Size6.28 inches, 98.9 cm2 (~84.9% screen-to-body ratio6.9 inches, 114.0 cm2 (~89.9% screen-to-body ratio)-
Display Resolution1080 x 2280 pixels1440 x 3200 pixels, 20:9 ratio (~511 ppi density)-
Display MultitouchYesYes-
Display Density401 ppi density--
Display Screen ProtectionCorning Gorilla Glass 5 - ColorOS 5.0Corning Gorilla Glass 6 HDR10+ Always-on display [email protected], [email protected]-

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 Flash108MP, f/1.8, 26mm (wide), 1/1.33", 0.8µm, PDAF, OIS
Periscope 48MP, f/3.5, 102mm (telephoto), 1/2.0", 0.8µm, PDAF, OIS, 10x hybrid optical zoom
12MP, f/2.2, 13mm (ultrawide), 1.4µm, AF, Super Steady video
0.3MP, TOF 3D, f/1.0, (depth)
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Secondary Camera20 MP, f/2.0, 1080p40 MP, f/2.2, 26mm (wide), 0.7µm, PDAF-
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panoramaLED flash, auto-HDR, panorama Dual video call, Auto-HDR-
Video[email protected][email protected], [email protected]/60fps, [email protected]/60/240fps, [email protected], HDR10+, dual-video rec., stereo sound rec., gyro-EIS & OIS [email protected]/60fps, [email protected]-

Body

Body Dimensions155.3 x 75 x 7.5 mm (6.11 x 2.95 x 0.30 in)166.9 x 76 x 8.8 mm (6.57 x 2.99 x 0.35 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 (Gorilla Glass 6), glass back (Gorilla Glass 6), aluminum frame-
Body ColorCeramic Black, Dream Mirror RedCosmic Grey, Cosmic Black-

Launch

Launch AnnouncementMarch, 2018 February 11,2020-
Launch DateRelease April 1st, 2018Release March 6, 2020-

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 (2x2.73 GHz Mongoose M5 & 2x2.60 GHz Cortex-A76 & 4x2.0 GHz Cortex-A55) Octa-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.8 GHz Kryo 585)-
GPUAdreno 512Mali-G77 MP11 Adreno 650-
ChipsetQualcomm SDM660 Snapdragon 660Exynos 990 (7 nm+) Qualcomm SM8250 Snapdragon 865 (7 nm+)-

Memory

Memory Internal128 GB128 GB -
Memory ExternalmicroSD, up to 256 GB (uses SIM 2 slot)microSDXC (uses shared SIM slot)-
Ram6 GB 12 GB-

Battery

Battery TypeNon-removable Li-Po BatteryNon-removable Li-Po-
Battery Capacity3400 mAh 5000 mAh-

Multimedia

Fm RadioNoYes-

Sound

AudioVibration, MP3, WAV RingtonesVibration, MP3, WAV ringtones-
LoudspeakerYesYes, with stereo speakers-
3.5mm JackYes - Active noise cancellation with dedicated micNo 32-bit/384kHz audio Tuned by AKG-

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-
USBmicroUSB 2.0, USB On-The-Go3.2, Type-C 1.0 reversible connector-
GPSYes, with A-GPS, GLONASSYes, with A-GPS, GLONASS, BDS, GALILEO-

Features

SensorsFingerprint/rear-mounted, accelerometer, gyro, proximity, compassFingerprint -under display, ultrasonic, accelerometer, gyro, proximity, compass, barometer ANT+ Bixby natural language commands and dictation Samsung DeX (desktop experience support-
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 battery charging 45W: 100% in 58 min USB Power Delivery 3.0 Fast Qi/PMA wireless charging 15W Power bank/Reverse wireless charging 9W-