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Oppo A15 3GB vs Samsung Galaxy A73

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), 4(1700/2100), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)   LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500)  
5G Network SA/NSA  
Dimensions 164.0 x 75.4 x 7.9mm   163.7 x 76.1 x 7.6 mm  
Sim Type Dual Sim, Dual Standby (Nano-SIM)   Hybrid Dual SIM, Dual Standby, (Nano-SIM)  
Weight 175 g   181 g  
Display Type 60Hz Refresh Rate, 480nit   Super AMOLED Plus Capacitive touchscreen, Multitouch   90Hz  
Display Size 720 x 1600 Pixels (~269 PPI)   6.7 Inches   1080 x 2400 Pixels (~393 PPI)  
Protection Corning Gorilla Glass  
Memory 32GB Built-in, 3GB RAM   256GB Built-in, 8GB RAM  
Card slot microSD Card, (supports up to 256GB) (dedicated slot)   microSD Card, (supports up to 1TB)  
GPRS Yes Yes
EDGE Yes 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/6, dual-band, Wi-Fi Direct, hotspot  
BlueTooth v5.0 with A2DP, LE   v5.0 with A2DP, LE  
USB microUSB 2.0, USB On-The-Go   USB Type-C 2.0, USB On-The-Go  
NFC No   Yes  
GPS Yes + A-GPS support & Glonass, BDS   Yes + A-GPS support & Glonass, BDS, GALILEO, BDS  
Main Camera Geo-tagging, touch focus, face detection, panorama, HDR, Video ([email protected])   Quad Camera: 108 MP, f/1.8, (wide), PDAF, OIS + 12 MP, f/2.2, (ultrawide) + 5 MP, f/2.4, (macro) + 5 MP, f/2.4, (depth), LED Flash   panorama, HDR, Video (4K@30fps, 1080p@30/60fps; gyro-EIS)  
Front Camera 5 MP   32 MP, f/2.2, 26mm (wide), 1/2.8", HDR, Video (4K@30fps, 1080p@30fps)  
OS Android 10.0 OS   Android 12 OS  
Chipset Mediatek MT6765 Helio P35 (12nm)   Qualcomm SM7325 Snapdragon 778G 5G (6 nm)  
Processor Octa-core (4 x 2.35 GHz Cortex-A53 + 4 x 1.8 GHz Cortex-A53)   Octa-core (4 x 2.4 GHz Kryo 670 + 4 x 1.8 GHz Kryo 670)  
GPU PowerVR GE8320   Adreno 642L  
Sensors Accelerometer, Compass, Fingerprint (rear mounted), Gyro, Proximity   Accelerometer, gyro, proximity, compass, Fingerprint (under display, optical)  
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 (Unspecified), Speaker Phone  
Colors Dynamic Black, Mystery Blue   Gray, Mint, White  
Battery - Battery charging 10W   (Li-Po Non removable), 5000 mAh   - Fast charging 25W  
Misc Active noise cancellation with dedicated mic, Photo/video editor, Document viewer   SMS(threaded view), MMS, Email, Push Mail, IM   NFC (market dependent), IP67 dust/water resistant (up to 1m for 30 mins), Active noise cancellation with dedicated mic, Photo/video editor, Document viewer