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Samsung Galaxy M51 vs Oppo A6 256GB

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 850 / 900 / 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), 3(1800), 4(1700/2100), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)  
Dimensions 162.6 x 77.5 x 8.5 mm   166.61 x 78.51 x 8.61mm  
Sim Type Dual Sim, Dual Standby (Nano-SIM)   Nano-SIM + Nano-SIM  
Weight 213 g   215 g  
Display Type Super AMOLED Capacitive Touchscreen, 16M Colors, Multitouch   IPS LCD Capacitive Touchscreen   120Hz, 800nits (Typical)  
Display Size 1080 x 2340 Pixels (~385 PPI)   6.75 Inches   720 x 1570 Pixels (~256 PPI)  
Protection Corning Gorilla Glass 3  
Memory 128GB Built-in, 8GB RAM   256GB Built-in, 8GB RAM, UFS 2.2  
Card slot microSDXC   microSD Card  
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, dual-band, WiFi Direct, hotspot  
BlueTooth v5.0 with A2DP, LE   v5.0 with A2DP, LE  
USB 2.0, Type-C 1.0 reversible connector   USB Type-C  
NFC No   No  
GPS Yes + A-GPS support & Glonass, BDS, GALILEO   Yes + A-GPS support & Glonass, BDS, GALILEO, QZSS  
Main Camera Phase detection, Geo-tagging, touch focus, face detection, panorama, HDR, Video ([email protected], [email protected])   Dual Camera: 50 MP, f/1.8, AF + 2 MP, f/2.4, LED Flash   panorama, HDR, Video  
Front Camera 32 MP, f/2.0, 26mm (wide), 1/2.8   8 MP, f/2.0  
OS Android 10.0 OS   Android 15 OS  
Chipset Qualcomm SDM730 Snapdragon 730 (8 nm)   Qualcomm Snapdragon 685  
Processor Octa-core (2 x 2.2 GHz Kryo 470 Gold + 6 x 1.8 GHz Kryo 470 Silver)   Octa Core  
GPU Adreno 618   Adreno 610  
Sensors Accelerometer, Compass, Fingerprint (side mounted), Gyro, Proximity   Accelerometer, gyro, proximity, compass, Fingerprint  
Browser HTML5   HTML5  
Sound 3.5mm Audio Jack, MP3/WAV/WMA/eAAC+/FLAC player, MP4/WMV/H.265 player, Speaker Phone   3.5mm Audio Jack, Speaker  Phone  
Colors Black, Dark Blue   Sapphire Blue, Aurora Gold  
Battery - Fast battery charging 25W   7000 mAh   - Fast battery 45W  
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   IP69 dust & water resistance, Photo/video editor, Document viewer