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QMobile Noir A20 vs Vivo Y21d 8GB

2G Network 900/1800/1900 SIM1: GSM 850 / 900 / 1800 / 1900SIM2: GSM 850 / 900 / 1800 / 1900  
3G Network HSDPA 850 / 900 / 2100  
4G Network LTE band 1(2100), 3(1800), 5(850), 8(900), 28(700), 38(2600), 40(2300), 41(2500)  
Available Yes
Dimensions 166.14 x 77.01 x 8.39 mm  
Sim Type Dual SIM Nano-SIM + Nano-SIM  
Weight N/A 209 g  
Display Type IPS LCD Capacitive touchscreen, 16M colors (240 dpi) IPS LCD Capacitive Touchscreen   90Hz, 1000 nits Brightness  
Display Size 4.5 inches, 540 x 960 6.68 Inches   720 x 1608 Pixels (~264 PPI)  
Memory GB built-in + 8GB card included in box 128GB Built-in, 8GB RAM, eMMC 5.1  
Card slot microSD Card, (supports up to 2TB)  
RAM 1 GB
GPRS Yes
EDGE Yes
3G NO
WLAN Wi-Fi 802.11 a/b/g/n, dual band, Wi-Fi direct Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot  
Infrared No
BlueTooth Yes v5.2 with A2DP, LE  
USB Yes USB Type-C 2.0, OTG  
NFC No  
GPS Yes Yes + A-GPS support & Glonass, BDS, GALILEO, QZSS  
Main Camera 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 5 MP  
OS Android Jelly Bean (v 4.1) Android 15 OS  
Chipset Unisoc T7225 (12 nm)  
Processor Quad-core 1.2 GHz, ARMv7 Chipset, GPU (PowerVR SGX) Octa-Core (2 × 1.8 GHz + 6 × 1.8 GHz)  
GPU Arm Mali G57  
Sensors Accelerometer, Compass, Fingerprint (side mounted), Gyro, Proximity  
Browser HTML5 HTML5  
Radio Yes
Sound Polyphonic, MP3, WAV 3.5mm Audio Jack, Speaker Phone  
Colors Black Coral Red, Jade Green  
Battery Li-Ion 2100 mAh Li-ion 6500 mAh   - Fast charging 44W  
TalkTime N/a
Misc SMS(threaded view), MMS, Email, Push Mail, IM   Document viewer, Photo/video editor