Ulefone Note 21 vs Xiaomi Redmi 15C

In sintesi

Marca: Ulefone; Xiaomi
Data di uscita: gennaio 2025, 1 anni e 5 mesi fa; settembre 2025, 9 mesi fa
AnTuTu: 251.000 Antutu v10 Overall performance better than 59% of devices; 262.000 Antutu v10 Overall performance better than 60% of devices

Dimensione: 6.56"; 6.9"
Risoluzione: 720 x 1612 px HD+; 720 x 1600 px HD+
Tipo: LCD IPS; LCD IPS
Densità: 269 ppi Medium Density; 260 ppi Medium Density
Rapporto d’aspetto: 20:9; 21:9
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, TÜV Rheinland Flicker-free Certified, Refresh rate 120 Hz, Touch sampling rate 240 Hz, Brightnes 600 cd/m² (typ), Brightnes 450 cd/m² (typ), Brightnes 800 cd/m² (typ), 1500:1 contrast ratio, 1200:1 contrast ratio, TÜV Rheinland Eye Comfort Certification, DC dimming, 70% NTSC, Scratch resistant, 2.5D curved glass screen, Capacitive, Multi-touch, Frameless

Chipset: Unisoc Tiger T606; MediaTek Helio G81 Ultra
CPU: 2x1.6 GHz Cortex A75 + 6x1.6 GHz Cortex A55; 2x Cortex A75 2.0 GHz + 6x Cortex A55 1.8 GHz
Tipo di CPU: Octa-Core; Octa-Core
Processo: 12 nm; 12 nm
Frequenza: 1.6 GHz; 2 GHz
GPU: ARM Mali-G57; Mali-G52 MC2
RAM: 4 GB; 4 GB
Tipo di RAM: LPDDR4X RAM; LPDDR4X RAM
64 bit: Yes; Yes

Risoluzione: 13 Mpx; 50 Mpx
Apertura: ƒ/ 2.2; ƒ/ 1.8
Sensore: Samsung S5K3L6; Samsung S5KJNS
Dimensione pixel: 1.12 µm; 0.64 µm
Dimensione sensore: 1/3.1"; 1/2.76"
Flash: LED; LED
Stabilizzazione ottica: No; No
Slow motion: No, 30 fps; Yes, 120 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, Digital image stabilization, Autofocus, Touch focus, Geotagging, 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; 79.5 mm 171.6 mm 8.0 mm Print 3D Model
Peso: 196 g; 205 g
Materiali: Plastic; Plastic , Glass
Colori: Black Violet; Black Blue Purple Green Orange
Resistenza alle cadute: Class A B C D E 113 drops without defects; Class A B C D E 270 drops without defects
Riparabilità: Class A B C D E; Class A B C D E
Superficie utile: 84 %; 84 %
Resistenza ad acqua/polvere: —; IP64

Sistema operativo: Android 14 Upside-down cake Android 14; Android 16 HyperOS 3.X (Android 16)
Servizi Google: With Google Mobile Services; With Google Mobile Services
Aggiornamenti: —; OS updates: 5 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 5.4 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), HID (Human Interface Profile), LE (Low Energy), LDAC, 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, Wi-Fi Display
USB: USB Type-C; USB Type-C
Funzioni USB: Charging, OTG; Charging, OTG
Navigazione: GPS, A-GPS, GLONASS, Beidou, Galileo; GPS, A-GPS, GLONASS, Beidou, Galileo

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)