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Samsung Galaxy A73 vs Oppo A18 128GB

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 / 2100  
4G Network LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 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)  
5G Network SA/NSA  
Dimensions 163.7 x 76.1 x 7.6 mm   163.7 x 75 x 8.2 mm  
Sim Type Hybrid Dual SIM, Dual Standby, (Nano-SIM)   Dual Sim, Dual Standby (Nano-SIM)  
Weight 181 g   188 g  
Display Type Super AMOLED Plus Capacitive touchscreen, Multitouch   90Hz   IPS LCD Capacitive Touchscreen, 16M Colors, Multitouch   90Hz, 720 nits (peak)  
Display Size 6.7 Inches   1080 x 2400 Pixels (~393 PPI)   6.56 Inches   720 x 1612 Pixels (~269 PPI)  
Protection Corning Gorilla Glass   Corning Gorilla Glass  
Memory 256GB Built-in, 8GB RAM   128GB Built-in, 4GB RAM (+4GB virtual RAM)  
Card slot microSD Card, (supports up to 1TB)   microSDXC  
GPRS Yes
EDGE Yes
WLAN Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot   Wi-Fi 802.11 a/b/g/n/ac, dual-band  
BlueTooth v5.0 with A2DP, LE   v5.3 with A2DP, LE, aptX  
USB USB Type-C 2.0, USB On-The-Go   USB Type-C 2.0, OTG  
NFC Yes   No  
GPS Yes + A-GPS support & Glonass, BDS, GALILEO, BDS   Yes + A-GPS support & Glonass, BDS, GALILEO  
Main Camera 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)   Dual Camera: 8 MP, f/2.0, (wide), AF + 2 MP, f/2.4, (depth, LED Flash   Geo-tagging, touch focus, face detection, panorama, HDR, Video (1080p@30fps)  
Front Camera 32 MP, f/2.2, 26mm (wide), 1/2.8", HDR, Video (4K@30fps, 1080p@30fps)   5 MP, f/2.2, (wide), Panorama, Video (1080p@30fps)  
OS Android 12 OS   Android 13 OS  
Chipset Qualcomm SM7325 Snapdragon 778G 5G (6 nm)   Mediatek MT6769 Helio G85 (12nm)  
Processor Octa-core (4 x 2.4 GHz Kryo 670 + 4 x 1.8 GHz Kryo 670)   Octa-core (2 x 2.0 GHz Cortex-A75 + 6 x 1.8 GHz Cortex-A55)  
GPU Adreno 642L   Arm Mali-G52  
Sensors Accelerometer, gyro, proximity, compass, Fingerprint (under display, optical)   Accelerometer, Compass, Fingerprint (side-mounted), Proximity  
Browser HTML5   HTML5  
Sound 3.5mm Audio Jack (Unspecified), Speaker Phone   3.5mm Audio Jack, MP3/WAV/WMA/eAAC+/FLAC player, MP4/WMV/H.265 player, Speaker  Phone  
Colors Gray, Mint, White   Glowing Black, Glowing Blue  
Battery (Li-Po Non removable), 5000 mAh   - Fast charging 25W   (Li-Po Non removable), 5000 mAh  
Misc 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   SMS(threaded view), MMS, Email, Push Mail, IM   IP54, dust and splash resistant, Photo/video editor, Document viewer