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Oppo A3x 128GB vs Infinix Zero 40

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 / 2100   HSDPA 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), 3(1800), 5(850), 8(900), 38(2600), 40(2300), 41(2500)  
Dimensions 165.8 x 76.1 x 7.7 mm   164.3 x 74.6 x 7.7 mm  
Sim Type Dual Sim, Dual Standby (Nano-SIM)   Dual Sim, Dual Standby (Nano-SIM)  
Weight 186 g   180 g  
Display Type IPS LCD Capacitive Touchscreen, 16M Colors, Multitouch   90Hz, 1000 nits (HBM)   AMOLED Capacitive Touchscreen, 1B, Multitouch   120Hz, 1300 nits (HBM), Always-on display  
Display Size 6.67 Inches   720 x 1604 Pixels (~264 PPI)   6.78 Inches   1080 x 2436 Pixels (~393 PPI)  
Protection Panda Glass   Corning Gorilla Glass 5  
Memory 128GB Built-in, 4GB RAM, eMMC 5.1   256GB Built-in, 8GB RAM (+8GB Extended RAM), UFS 2.2  
Card slot microSDXC   Unspecified  
GPRS Yes Yes
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band   Wi-Fi 802.11 a/b/g/n/ac, dual-band  
BlueTooth v5.0 with A2DP, LE   v5.3 with A2DP, LE  
USB USB Type-C 2.0, OTG   USB Type-C 2.0, OTG  
NFC No   Yes  
GPS Yes + A-GPS support, & GLONASS, BDS, GALILEO   Yes + A-GPS support  
Main Camera Dual Camera: 8 MP, f/2.0, (wide), PDAF + Auxiliary lens, LED Flash   HDR, panorama, Video (1080p@30/60fps)   Triple Camera: 108 MP, f/1.8, (wide), 1/1.67", PDAF, OIS + 50 MP, f/2.0, (ultrawide), 1/2.76", PDAF + 2 MP, f/2.4, (depth), Dual LED Flash   HDR, panorama, Video (1440p@30fps, 1080p@30/60fps, gyro-EIS, OIS)  
Front Camera 5 MP, f/2.2, (wide), Video (1080p@30fps)   50 MP, f/2.5, 21mm (wide), 1/2.76", PDAF, Dual LED Flash, Video (1440p@30fps, 1080p@30/60fps)  
OS Android 14 OS   Android 14 OS, up to 2 major Android upgrades  
Chipset Qualcomm Snapdragon 6s Gen 1   Mediatek Helio G100 (6 nm)  
Processor Octa Core   Octa-core (2 x 2.2 GHz Cortex-A76 + 6 x 2.0 GHz Cortex-A55)  
GPU Adreno 610   Mali-G57 MC2  
Sensors Accelerometer, Compass, Fingerprint (side-mounted), Proximity   Accelerometer, Compass, Fingerprint (under display, optical), Gyro, Proximity  
Browser HTML5   HTML5  
Sound 3.5mm Audio Jack, Speaker Phone   24-bit/192kHz Hi-Res & Hi-Res Wireless audio, Tuned by JBL, Dual Speaker  
Colors Nebula Red, Ocean Blue   Misty Aqua, Rock Black, Blossom Glow  
Battery (Non removable), 5100 mAh   - Fast battery 45W wired, PD2.0, PPS, 50% in 30 min (advertised)   (Non removable), 5000 mAh   - Fast Charging 45W wired, 50% in 25 min (advertised), 10W reverse wired, Bypass Charging 2.0  
Misc SMS(threaded view), MMS, Email, Push Mail, IM   IP54, dust and splash resistant MIL-STD-810H compliant*, * does not guarantee ruggedness or use in extreme conditions, Document editor, Photo/video editor   SMS(threaded view), MMS, Email, Push Mail, IM   IP54, dust and splash resistant, Photo/video editor, Document viewer