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Samsung Galaxy J1 Ace vs Infinix Zero 40

2G Network SIM1: GSM 850 / 900 / 1800 / 1900 SIM2: 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), 8(900), 38(2600), 40(2300), 41(2500)  
Dimensions 130.1 x 67.6 x 9.5 mm 164.3 x 74.6 x 7.7 mm  
Sim Type Dual Sim, Dual Standby (Nano-SIM)  
Weight 128g 180 g  
Display Type TFT capacitive touchscreen, 16M colors AMOLED Capacitive Touchscreen, 1B, Multitouch   120Hz, 1300 nits (HBM), Always-on display  
Display Size 4.3 Inches, 480 x 800 pixels (~217 ppi pixel density) 6.78 Inches   1080 x 2436 Pixels (~393 PPI)  
Multitouch Yes
Protection Corning Gorilla Glass 5  
Memory 4GB built-in 256GB Built-in, 8GB RAM (+8GB Extended RAM), UFS 2.2  
Card slot microSD card (supports up to 64GB) Unspecified  
RAM 512MB 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 with A2DP v5.3 with A2DP, LE  
USB USB USB Type-C 2.0, OTG  
NFC Yes  
GPS Yes Yes + A-GPS support  
Main Camera 5 MP, 2592 x 1944 pixels, autofocus, LED flash, Geo-tagging, touch focus, face detection, Video (720p@30fps), 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 2 MP 50 MP, f/2.5, 21mm (wide), 1/2.76", PDAF, Dual LED Flash, Video (1440p@30fps, 1080p@30/60fps)  
OS Android OS, v4.4 (KitKat) Android 14 OS, up to 2 major Android upgrades  
Chipset Mediatek Helio G100 (6 nm)  
Processor 1.3 GHz Dual-core 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 HTML HTML5  
Sound FM radio with RDS recording, 3.5mm audio jack, MP4/H.264 player, MP3/WAV/eAAC+ player, YouTube, Google Talk, Games (built-in + downloadable) 24-bit/192kHz Hi-Res & Hi-Res Wireless audio, Tuned by JBL, Dual Speaker  
Colors White, Black, Blue Misty Aqua, Rock Black, Blossom Glow  
Battery 1800 mAh (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 & GLONASS, Optional Dual SIM + Micro-SIM, dual stand-by), Document viewer, 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