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Apple  iPhone 15 vs Oppo A18 128GB

2G Network SIM1: GSM 850 / 900 / 1800 / 1900   SIM1: GSM 850 / 900 / 1800 / 1900SIM2: GSM 850 / 900 / 1800 / 1900  
3G Network HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100   HSDPA 850 / 900 / 2100  
4G Network LTE   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/Sub6  
Dimensions 147.6 x 71.6 x 7.8 mm   163.7 x 75 x 8.2 mm  
Sim Type eSIM (Nano-SIM)   Dual Sim, Dual Standby (Nano-SIM)  
Weight 171 g   188 g  
Display Type Super Retina XDR OLED Capacitive Touchscreen, Multitouch   HDR10, Dolby Vision, 1000 nits (HBM), 2000 nits (peak)   IPS LCD Capacitive Touchscreen, 16M Colors, Multitouch   90Hz, 720 nits (peak)  
Display Size 6.1 Inches   1179 x 2556 Pixels (~461 PPI)   6.56 Inches   720 x 1612 Pixels (~269 PPI)  
Protection Ceramic Shield glass   Corning Gorilla Glass  
Memory 128GB Built-in, 6GB RAM, NVMe   128GB Built-in, 4GB RAM (+4GB virtual RAM)  
Card slot No   microSDXC  
GPRS Yes
WLAN Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, hotspot   Wi-Fi 802.11 a/b/g/n/ac, dual-band  
BlueTooth v5.3 with A2DP, LE   v5.3 with A2DP, LE, aptX  
USB USB Type-C 2.0, DisplayPort   USB Type-C 2.0, OTG  
NFC Yes   No  
GPS Yes + GPS support, GLONASS, GALILEO, BDS, QZSS   Yes + A-GPS support & Glonass, BDS, GALILEO  
Main Camera Dual Camera: 48 MP, f/1.6, 26mm (wide), dual pixel PDAF, sensor-shift OIS + 12 MP, f/2.4, 13mm, (ultrawide), LED Flash   HDR (photo/panorama), Video (4K@24/25/30/60fps, 1080p@25/30/60/120/240fps, HDR, Dolby Vision HDR (up to 60fps), Cinematic mode (4K@30fps), stereo sound rec.)   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 12 MP, f/1.9, 23mm (wide), 1/3.6", PDAF SL 3D, (depth/biometrics sensor), HDR, Cinematic mode (4K@30fps), Video (4K@24/25/30/60fps, 1080p@25/30/60/120fps, gyro-EIS)   5 MP, f/2.2, (wide), Panorama, Video (1080p@30fps)  
OS IOS 17, iOS 17, upgradable to iOS 17.5.1, planned upgrade to iOS 18   Android 13 OS  
Chipset Apple A16 Bionic (4 nm)   Mediatek MT6769 Helio G85 (12nm)  
Processor Hexa-core (2 x 3.46 GHz Everest + 4 x 2.02 GHz Sawtooth)   Octa-core (2 x 2.0 GHz Cortex-A75 + 6 x 1.8 GHz Cortex-A55)  
GPU Apple GPU (5-core graphics)   Arm Mali-G52  
Sensors Accelerometer, Barometer, Compass, Face ID, Gyro, Proximity   Accelerometer, Compass, Fingerprint (side-mounted), Proximity  
Browser Yes   HTML5  
Sound Speaker Phone   3.5mm Audio Jack, MP3/WAV/WMA/eAAC+/FLAC player, MP4/WMV/H.265 player, Speaker  Phone  
Colors Black, Blue, Green, Yellow, Pink   Glowing Black, Glowing Blue  
Battery (Li-ion Non removable), 3349 mAh   - Fast battery Wired, PD2.0, 50% in 30 min (advertised) 15W wireless (MagSafe), 15W wireless (Qi2) - requires iOS 17.2 update, 4.5W reverse wired   (Li-Po Non removable), 5000 mAh  
Misc iMessage, SMS (threaded view), MMS, Email, Push Email   Glass front + Corning-made glass), Glass back + Corning-made glass), Aluminum frame, IP68 dust/water resistant (up to 6m for 30 min),  Apple Pay (Visa, MasterCard, AMEX certified), Ultra Wideband (UWB) support (gen2 chip), Emergency SOS via satellite (SMS sending/receiving)   SMS(threaded view), MMS, Email, Push Mail, IM   IP54, dust and splash resistant, Photo/video editor, Document viewer