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Nokia 3.1 vs Vivo Y21d 8GB

2G Network 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 band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 28(700), 38(2600), 40(2300)   LTE band 1(2100), 3(1800), 5(850), 8(900), 28(700), 38(2600), 40(2300), 41(2500)  
Dimensions 146.3 x 68.7 x 8.7 mm   166.14 x 77.01 x 8.39 mm  
Sim Type Dual Sim, Dual Standby (Nano-SIM)   Nano-SIM + Nano-SIM  
Weight 138 g   209 g  
Display Type IPS LCD Capacitive Touchscreen   90Hz, 1000 nits Brightness  
Display Size 720 x 1440 Pixels (~310 PPI)   6.68 Inches   720 x 1608 Pixels (~264 PPI)  
Protection Corning Gorilla Galss (unspecified version)  
Memory 128GB Built-in, 8GB RAM, eMMC 5.1  
Card slot microSD Card, (supports up to 256GB)   microSD Card, (supports up to 2TB)  
GPRS Yes
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot  
BlueTooth v4.2 with A2DP, LE   v5.2 with A2DP, LE  
USB microUSB 2.0, USB On-The-Go   USB Type-C 2.0, OTG  
NFC Yes   No  
GPS Yes + A-GPS support, & GLONASS   Yes + A-GPS support & Glonass, BDS, GALILEO, QZSS  
Main Camera Sensors Dual Camera: 50 MP, f/1.8 + 0.08 MP, f/2.2, LED Flash   Night, Portrait, Video, Live Photo, Slo-mo, Time-lapse, Panorama, Video  
Front Camera 8 MP (f/2.0)   5 MP  
OS Android 15 OS  
Chipset Mediatek MT6750   Unisoc T7225 (12 nm)  
Processor Octa-Core (2 × 1.8 GHz + 6 × 1.8 GHz)  
GPU Mali-T860MP2   Arm Mali G57  
Sensors Accelerometer, Compass, Fingerprint (side mounted), Gyro, Proximity  
Browser HTML5   HTML5  
Sound 3.5mm Audio Jack, MP4/H.264 player, MP3/WAV/eAAC+/FLAC player, Speaker Phone   3.5mm Audio Jack, Speaker Phone  
Colors Blue/Copper, Black/Chrome, White/Iron   Coral Red, Jade Green  
Battery Capacity Li-ion 6500 mAh   - Fast charging 44W  
Misc Photo/video editor, Document viewer   SMS(threaded view), MMS, Email, Push Mail, IM   Document viewer, Photo/video editor