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Oppo A33 vs Infinix Zero 40

2G Network 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 LTE band 1(2100), 3(1800), 5(850), 8(900), 38(2600), 40(2300), 41(2500)  
Dimensions 142.7 x 71.7 x 7.55 mm 164.3 x 74.6 x 7.7 mm  
Sim Type Dual Sim, Dual Standby (Nano-SIM)  
Weight 145g 180 g  
Display Type IPS LCD capacitive touchscreen, 16M colors AMOLED Capacitive Touchscreen, 1B, Multitouch   120Hz, 1300 nits (HBM), Always-on display  
Display Size 5.0 inches, 540 x 960 Pixels 6.78 Inches   1080 x 2436 Pixels (~393 PPI)  
Multitouch Yes
Protection Corning Gorilla Glass 5  
Memory 16GB built-in 256GB Built-in, 8GB RAM (+8GB Extended RAM), UFS 2.2  
Card slot MicroSD card (Support up to 32GB) Unspecified  
RAM 1GB RAM
GPRS Yes Yes
WLAN WLAN (Wi-Fi 802.11 b/g/n Wi-Fi 802.11 a/b/g/n/ac, dual-band  
BlueTooth Bluetooth v4.0 v5.3 with A2DP, LE  
USB USB (microUSB v2.0, USB Host) USB Type-C 2.0, OTG  
NFC Yes  
GPS Yes Yes + A-GPS support  
Main Camera 8 MP, Auto Focus, LED Flash, Video, 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 50 MP, f/2.5, 21mm (wide), 1/2.76", PDAF, Dual LED Flash, Video (1440p@30fps, 1080p@30/60fps)  
OS Android 5.1.1 Lollipop Android 14 OS, up to 2 major Android upgrades  
Chipset Mediatek Helio G100 (6 nm)  
Processor 1.2 GHz Quad-core Cortex-A53, Qualcomm Snapdragon 410 Octa-core (2 x 2.2 GHz Cortex-A76 + 6 x 2.0 GHz Cortex-A55)  
GPU Mali-G57 MC2  
Sensors Accelerometer, proximity Accelerometer, Compass, Fingerprint (under display, optical), Gyro, Proximity  
Browser HTML5 HTML5  
Sound FM radio, 3.5mm audio jack, MP4/H.264/FLAC player, MP3/eAAC+/WAV player, Google Talk, Games (built-in + downloadable) 24-bit/192kHz Hi-Res & Hi-Res Wireless audio, Tuned by JBL, Dual Speaker  
Colors Black, White Misty Aqua, Rock Black, Blossom Glow  
Battery N/a (Non removable), 5000 mAh   - Fast Charging 45W wired, 50% in 25 min (advertised), 10W reverse wired, Bypass Charging 2.0  
Misc GPS + A-GPS support, Dual SIM + Micro-SIM, Dual stand-by), Document viewer, Photo/video editor, Google Search, Maps, Gmail, Youtube, Calendar, Speakerphone SMS(threaded view), MMS, Email, Push Mail, IM   IP54, dust and splash resistant, Photo/video editor, Document viewer