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Samsung Galaxy M51 vs Oppo Reno 15 Pro

2G Network SIM1: GSM 850 / 900 / 1800 / 1900SIM2: GSM 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 band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)   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 162.6 x 77.5 x 8.5 mm   151.2 x 72.4 x 8.0 mm  
Sim Type Dual Sim, Dual Standby (Nano-SIM)   Nano-SIM + Nano-SIM + eSIM (max 2 at a time)  
Weight 213 g   187 g  
Display Type Super AMOLED Capacitive Touchscreen, 16M Colors, Multitouch   AMOLED Capacitive Touchscreen, 1B Colors   120Hz, HDR10+, 600 nits (typ), 1800 nits (HBM)  
Display Size 1080 x 2340 Pixels (~385 PPI)   6.32 Inches   1216 x 2640 Pixels (~460 PPI)  
Protection Corning Gorilla Glass 3   Corning Gorilla Glass 7i  
Memory 128GB Built-in, 8GB RAM   256GB Built-in, 12GB RAM, UFS 3.1  
Card slot microSDXC   No  
GPRS Yes
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot   Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band  
BlueTooth v5.0 with A2DP, LE   v5.4 with A2DP, LE, aptX HD, LHDC 5  
USB 2.0, Type-C 1.0 reversible connector   USB Type-C 2.0, OTG  
NFC No   Yes  
GPS Yes + A-GPS support & Glonass, BDS, GALILEO   Yes + GPS, GLONASS, GALILEO, BDS, QZSS  
Main Camera Phase detection, Geo-tagging, touch focus, face detection, panorama, HDR, Video ([email protected], [email protected])   Triple Camera: 200 MP, f/1.8, 24mm (wide), 1/1.56", PDAF, OIS + 50 MP, f/2.8, 85mm (telephoto), PDAF, OIS, 3.5x optical zoom + 50 MP, f/2.0, 16mm, (ultrawide), AF, LED Flash   Color spectrum sensor, HDR, panorama, Video (4K@30/60fps, 1080p@30/60/120/240/480fps, gyro-EIS, HDR, OIS)  
Front Camera 32 MP, f/2.0, 26mm (wide), 1/2.8   50 MP, f/2.0, 18mm, (ultrawide), AF, Panorama, HDR, Video (4K@30/60fps, 1080p@30/60fps, gyro-EIS, HDR)  
OS Android 10.0 OS   Android 16 OS  
Chipset Qualcomm SDM730 Snapdragon 730 (8 nm)   Mediatek Dimensity 8450 (4 nm)  
Processor Octa-core (2 x 2.2 GHz Kryo 470 Gold + 6 x 1.8 GHz Kryo 470 Silver)   Octa-core (1 x 3.25 GHz Cortex-A725 + 3 x 3.0 GHz Cortex-A725 + 4 x 2.1 GHz Cortex-A725)  
GPU Adreno 618   Mali-G720 MC7  
Sensors Accelerometer, Compass, Fingerprint (side mounted), Gyro, Proximity   Accelerometer, Compass, Fingerprint (under display, optical), Gyro, Proximity, BeaconLink calls via bluetooth, up to 200m  
Browser HTML5   HTML5  
Sound 3.5mm Audio Jack, MP3/WAV/WMA/eAAC+/FLAC player, MP4/WMV/H.265 player, Speaker Phone   24-bit/192kHz audio, Speaker  Phone  
Colors Black, Dark Blue   Dusk Brown, Aurora Blue  
Battery - Fast battery charging 25W   6200 mAh   - Fast battery 80W wired, 13.5W PD, 55W PPS, 100% in 53 min, Reverse wired  
Misc Glass front + Gorilla Glass 3), Plastic back + Plastic frame, Active noise cancellation with dedicated mic, Photo/video editor, Document viewer   SMS(threaded view), MMS, Email, Push Mail, IM   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)