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Samsung Galaxy Y Duos S6312 vs Oppo Reno 15

2G Network Sim 1: GSM 850 / 900 / 1800 / 1900 Sim 2: GSM 850 / 900 / 1800 / 1900 SIM1: GSM 850 / 900 / 1800 / 1900SIM2: GSM 850 / 900 / 1800 / 1900  
3G Network HSDPA 900 / 2100 HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100  
4G Network LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 20(800), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)  
5G Network SA/NSA  
Dimensions N/A 158 x 74.8 x 7.77mm (Twilight Blue), 7.89mm (Aurora White)  
Sim Type Nano-SIM + Nano-SIM + eSIM (max 2 at a time)  
Weight N/A 197 g  
Display Type HVGA LCD, 256K colors, TouchWiz UI AMOLED Capacitive Touchscreen, 1B Colors   120Hz, HDR10+, 600 nits (typ), 1200 nits (HBM)  
Display Size 320 x 480 pixels, 3.27 inches (~127 ppi pixel density) 6.59 Inches   1256 x 2760 Pixels (~460 PPI)  
Protection Corning Gorilla Glass 7i  
Memory 4GB built-in 256GB Built-in, 12GB RAM, UFS 3.1  
Card slot microSD card(supports up to 64GB) No  
RAM 768 MB RAM
GPRS Yes
WLAN WLAN (Wi-Fi 802.11 b/g/n Wi-Fi 802.11 a/b/g/n/ac, dual-band  
BlueTooth Bluetooth v3.0 with A2DP v5.4 with A2DP, LE, aptX HD, LHDC 5  
USB USB USB Type-C 2.0, OTG  
NFC Yes  
GPS Yes Yes + GPS, GLONASS, GALILEO, BDS, QZSS  
Main Camera 3 MP, 2048 x 1536 pixels, Geo-tagging, Video (QVGA 24fps) Triple Camera: 50 MP, f/1.8, 26mm (wide), PDAF, OIS + 50 MP, f/2.8, 80mm (telephoto), PDAF, OIS, 3.5x optical zoom + 8 MP, f/2.2, 15mm, (ultrawide), 1/4.0", AF, LED Flash   Color spectrum sensor, HDR, panorama, Video (4K@30/60fps, 1080p@30/60/120fps, gyro-EIS, HDR)  
Front Camera 50 MP, f/2.0, 18mm (ultrawide), AF, Panorama, HDR, Video (4K@30/60fps, 1080p@30/60fps, gyro-EIS, HDR)  
OS Android 4.1, Jelly Bean Android 16 OS  
Chipset Qualcomm SM7750-AB Snapdragon 7 Gen 4 (4 nm)  
Processor 1Ghz Octa-core (1 x 2.8 GHz Cortex-720 + 4 x 2.4 GHz Cortex-720 + 3 x 1.8 GHz Cortex-520)  
GPU Adreno 722  
Sensors Accelerometer, proximity, compass Accelerometer, Compass, Fingerprint (under display, optical), Gyro, Proximity, BeaconLink calls via bluetooth, up to 200m  
Browser HTML (Adobe Flash) HTML5  
Sound Stereo FM radio with RDS, 3.5mm audio jack, MP4/WMV/H.264 player, MP3/WAV/eAAC+ player, YouTube, Google Talk, Image/video editor, SNS integration, Games (built-in + downloadable) Speaker Phone  
Colors Black Twilight Blue, Aurora White  
Battery Stand-by Up to 360 h 6500 mAh   - Fast battery 80W wired, 80W UFCS, 55W PPS, 13.5W PD, 13.5W QC, 100% in 50 min, Reverse wired  
StandBy Time Stand-by Up to 360 h
Misc Dual SIM (dual stand-by), GPS + A-GPS support, Samsung hub service,Games hub, DropBox Cloud storage, Sync & backup, Quickoffice document viewer/editor, Google Search, Maps, Gmail, Calendar, Picasa integration, Organizer, Predictive text input (Swype) SMS(threaded view), MMS, Email, Push Mail, IM   NFC (market/region dependent), Glass front + Gorilla Glass 7i), aluminum frame, glass back, IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)