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Samsung Galaxy Star Trios vs Oppo Reno 15

2G Network Sim 1: 850 / 900 / 1800 / 1900Sim 2: 850 / 900 / 1800 / 1900Sim 3: 850 / 900 / 1800 / 1900 SIM1: GSM 850 / 900 / 1800 / 1900SIM2: GSM 850 / 900 / 1800 / 1900  
3G Network HSDPA 850 / 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 106 x 61 x 11 mm 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 105 g 197 g  
Display Type TFT capacitive touchscreen, 256K colors AMOLED Capacitive Touchscreen, 1B Colors   120Hz, HDR10+, 600 nits (typ), 1200 nits (HBM)  
Display Size 240 x 320 pixels, 3.14 inches (~127 ppi pixel density) 6.59 Inches   1256 x 2760 Pixels (~460 PPI)  
Multitouch Yes
Protection Corning Gorilla Glass 7i  
Memory 4GB built-in 256GB Built-in, 12GB RAM, UFS 3.1  
Card slot microSD card(supports up to 32GB) No  
RAM 512 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 v4.0 v5.4 with A2DP, LE, aptX HD, LHDC 5  
USB USB V2.0 USB Type-C 2.0, OTG  
NFC Yes  
GPS Yes + GPS, GLONASS, GALILEO, BDS, QZSS  
Main Camera 2 MP, 1600 x 1200 pixels, Geo-tagging, Video (VGA) 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 OS, v4.1.2 (Jelly Bean) Android 16 OS  
Chipset GPU: Adreno 20 Qualcomm SM7750-AB Snapdragon 7 Gen 4 (4 nm)  
Processor 1 GHz Cortex-A5, Qualcomm MSM7225A Snapdragon Octa-core (1 x 2.8 GHz Cortex-720 + 4 x 2.4 GHz Cortex-720 + 3 x 1.8 GHz Cortex-520)  
GPU GPU: Adreno 200 Adreno 722  
Sensors Accelerometer, compass Accelerometer, Compass, Fingerprint (under display, optical), Gyro, Proximity, BeaconLink calls via bluetooth, up to 200m  
Browser HTML HTML5  
Sound Stereo FM radio, 3.5mm audio jack, MP4/H.264 player, MP3/WAV/eAAC+/FLAC player, YouTube, Google Talk, SNS integration, Games (built-in + downloadable) Speaker Phone  
Colors Black, White Twilight Blue, Aurora White  
Battery 1300mAh 6500 mAh   - Fast battery 80W wired, 80W UFCS, 55W PPS, 13.5W PD, 13.5W QC, 100% in 50 min, Reverse wired  
Misc Tripple SIM, Document viewer, Google Search, Maps, Gmail, Calendar, Picasa integration, Image/video editor, Organizer, Predictive text input 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)