Ulefone Note 21 vs Xiaomi Redmi A3

In sintesi

Marca: Ulefone; Xiaomi
Data di uscita: gennaio 2025, 1 anni e 5 mesi fa; febbraio 2024, 2 anni e 4 mesi fa
AnTuTu: 251.000 Antutu v10 Overall performance better than 59% of devices; 127.000 Antutu v9 Overall performance better than 53% of devices

Dimensione: 6.56"; 6.7"
Risoluzione: 720 x 1612 px HD+; 720 x 1650 px HD+
Tipo: LCD IPS; LCD IPS
Densità: 269 ppi Medium Density; 269 ppi Medium Density
Rapporto d’aspetto: 20:9; 20:9
Caratteristiche: Water Drop Notch, Refresh rate 90 Hz, Brightnes 450 cd/m² (typ), 2.5D curved glass screen, Capacitive, Multi-touch, Frameless; Water Drop Notch, Refresh rate 90 Hz, Brightnes 500 cd/m² (typ), DC dimming, Scratch resistant, Corning Gorilla Glass 3, Capacitive, Multi-touch, Frameless

Risoluzione: 13 Mpx; 8 Mpx
Apertura: ƒ/ 2.2; ƒ/ 2.0
Sensore: Samsung S5K3L6; —
Dimensione pixel: 1.12 µm; —
Dimensione sensore: 1/3.1"; —
Flash: LED; LED
Stabilizzazione ottica: No; No
Slow motion: No, 30 fps; No, 30 fps
Caratteristiche: Digital zoom, Dual camera, Digital image stabilization, Autofocus, Touch focus, Continuous shooting, Geotagging, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer; Digital zoom, Dual camera, Autofocus, Touch focus, Manual focus, Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer

Dimensioni: 75.2 mm 163.2 mm 9.2 mm Print 3D Model; 76.3 mm 168.3 mm 8.3 mm Print 3D Model
Peso: 196 g; 199 g
Materiali: Plastic; Glass , Leather
Colori: Black Violet; Black Blue Green
Resistenza alle cadute: Class A B C D E 113 drops without defects; —
Riparabilità: Class A B C D E; —
Superficie utile: 84 %; 82 %

Sistema operativo: Android 14 Upside-down cake Android 14; Android 14 Upside-down cake MIUI 14 (Android 14)
Servizi Google: With Google Mobile Services; With Google Mobile Services
Aggiornamenti: —; OS updates: 2 years, Security updates: 3 years

SIM: Dual SIM Dual Standby (Nano SIM + Nano SIM); Dual SIM Dual Standby (Nano SIM + Nano SIM)
Bluetooth: Bluetooth 5.0 LELow energy consumption; Bluetooth 5.3 LELow energy consumption
Profili Bluetooth: A2DP (Advanced Audio Distribution Profile), HID (Human Interface Profile), LE (Low Energy); A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), LE (Low Energy), SBC, AAC
Wi-Fi: 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac; 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac
Funzioni Wi-Fi: Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display; Wi-Fi Hotspot, Wi-Fi Direct
USB: USB Type-C; —
Funzioni USB: Charging, OTG; Charging, OTG
Navigazione: GPS, A-GPS, GLONASS, Beidou, Galileo; GPS, A-GPS, GLONASS, Beidou

4G LTE: B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B12 (700), B17 (700), B19 (800), B20 (800), B26 (850), B28b (700), B28a (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500), B66 (1700/2100); B1 (2100), B3 (1800), B5 (850), B7 (2600), B8 (900), B20 (800), B28b (700), B28a (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500)
3G: B1 (2100), B2 (1900), B5 (850), B8 (900); B1 (2100), B5 (850), B8 (900)
2G: B2 (1900), B3 (1800), B5 (850), B8 (900); B2 (1900), B3 (1800), B5 (850), B8 (900)