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Samsung Galaxy A3 vs Oppo Reno 15

2G Network Sim1: 850 / 900 / 1800 / 1900 Sim2: 850 / 900 / 1800 / 1900 SIM1: GSM 850 / 900 / 1800 / 1900SIM2: GSM 850 / 900 / 1800 / 1900  
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100  
4G Network LTE 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 130.1 x 65.5 x 6.9 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 110.3 g 197 g  
Display Type Super AMOLED capacitive touchscreen, 16M colors AMOLED Capacitive Touchscreen, 1B Colors   120Hz, HDR10+, 600 nits (typ), 1200 nits (HBM)  
Display Size 540 x 960 pixels, 4.5 inches (~245 ppi pixel density) 6.59 Inches   1256 x 2760 Pixels (~460 PPI)  
Multitouch Yes
Protection Corning Gorilla Glass 7i  
Memory 16GB built-in 256GB Built-in, 12GB RAM, UFS 3.1  
Card slot microSD card (supports up to 64GB) ((single SIM version) No  
RAM 1.5GB 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 with A2DP v5.4 with A2DP, LE, aptX HD, LHDC 5  
USB USB (microUSB v2.0) USB Type-C 2.0, OTG  
NFC Yes  
GPS Yes Yes + GPS, GLONASS, GALILEO, BDS, QZSS  
Main Camera 8 MP, 3264 x 2448 pixels, autofocus, LED flash, Geo-tagging, touch focus, face detection, panorama, Video, 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 5 MP 50 MP, f/2.0, 18mm (ultrawide), AF, Panorama, HDR, Video (4K@30/60fps, 1080p@30/60fps, gyro-EIS, HDR)  
OS Android OS, v4.4.4 (KitKat) Android 16 OS  
Chipset GPU: Adreno 30 Qualcomm SM7750-AB Snapdragon 7 Gen 4 (4 nm)  
Processor 1.2 GHz Quad-Core Cortex-A53, Qualcomm MSM8916 Snapdragon 410 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 306 Adreno 722  
Sensors Accelerometer, proximity, compass Accelerometer, Compass, Fingerprint (under display, optical), Gyro, Proximity, BeaconLink calls via bluetooth, up to 200m  
Browser HTML5 HTML5  
Sound FM Radio (Not Yet Confirmed), 3.5mm audio jack, MP4/WMV/H.264 player, MP3/WAV/WMA/eAAC+/FLAC player, SNS integration, YouTube, Google Talk, Picasa integration, Games (built-in + downloadable) Speaker Phone  
Colors Pearl White, Midnight Black, Platinum Silver, Soft Pink, Light Blue, Champagne Gold Twilight Blue, Aurora White  
Battery 1900 mAh 6500 mAh   - Fast battery 80W wired, 80W UFCS, 55W PPS, 13.5W PD, 13.5W QC, 100% in 50 min, Reverse wired  
Misc GPS + A-GPS support & GLONASS, Dual Sim, (Dual Stand-by), Active noise cancellation with dedicated mic, ANT+ support, Document editor, Google Search, Maps, Gmail, Voice memo/dial/commands, YouTube, Calendar, Speakerphone 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)