Poco C81x vs Ulefone Note 21

In sintesi

Marca: POCO; Ulefone
Data di uscita: aprile 2026, 2 mesi fa; gennaio 2025, 1 anni e 5 mesi fa
AnTuTu: 308.681 Antutu v10 Overall performance better than 61% of devices; 251.000 Antutu v10 Overall performance better than 59% of devices

Dimensione: 6.88"; 6.56"
Risoluzione: 720 x 1640 px HD+; 720 x 1612 px HD+
Tipo: LCD IPS; LCD IPS
Densità: 260 ppi Medium Density; 269 ppi Medium Density
Rapporto d’aspetto: 21:9; 20:9
Caratteristiche: Water Drop Notch, Refresh rate 120 Hz, Touch sampling rate 240 Hz, Brightnes 450 cd/m² (typ), 1500:1 contrast ratio, TÜV Rheinland Eye Comfort Certification, 2.5D curved glass screen, Capacitive, Multi-touch, Frameless, In-cell; Water Drop Notch, Refresh rate 90 Hz, Brightnes 450 cd/m² (typ), 2.5D curved glass screen, Capacitive, Multi-touch, Frameless

Chipset: Unisoc Tiger T615 (T7250); Unisoc Tiger T606
CPU: 2 x ARM Cortex A75 1.8Ghz + 6 x ARM Cortex A55 1.6Ghz; 2x1.6 GHz Cortex A75 + 6x1.6 GHz Cortex A55
Tipo di CPU: Octa-Core; Octa-Core
Processo: 12 nm; 12 nm
Frequenza: 1.8 GHz; 1.6 GHz
GPU: Mali-G57 MP1; ARM Mali-G57
RAM: 3 GB; 4 GB
Tipo di RAM: LPDDR4X RAM; LPDDR4X RAM
64 bit: Yes; Yes

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

Dimensioni: 77.8 mm 171.8 mm 8.3 mm Print 3D Model; 75.2 mm 163.2 mm 9.2 mm Print 3D Model
Peso: 193 g; 196 g
Materiali: Plastic; Plastic
Colori: Black Cyan; Black Violet
Resistenza ad acqua/polvere: Splash resistant; —
Superficie utile: 84 %; 84 %
Resistenza alle cadute: —; Class A B C D E 113 drops without defects
Riparabilità: —; Class A B C D E

Sistema operativo: Android 15 HyperOS 2.X (Android 15); Android 14 Upside-down cake Android 14
Aggiornamenti: OS updates: 4 years, Security updates: 6 years; —
Servizi Google: With Google Mobile Services; With Google Mobile Services

SIM: Dual SIM Dual Standby (Nano SIM + Nano SIM); Dual SIM Dual Standby (Nano SIM + Nano SIM)
Bluetooth: Bluetooth 5.2; Bluetooth 5.0 LELow energy consumption
Profili Bluetooth: A2DP (Advanced Audio Distribution Profile); A2DP (Advanced Audio Distribution Profile), HID (Human Interface Profile), LE (Low Energy)
Wi-Fi: 802.11a , 802.11b , 802.11g , 802.11n , 802.11ac; 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac
Funzioni Wi-Fi: Wi-Fi Hotspot; Dual band, 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), B3 (1800), B5 (850), B8 (900), B28b (700), B28a (700), B40 (TDD 2300), B41 (TDD 2500); 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)
3G: B1 (2100), B5 (850), B8 (900); B1 (2100), B2 (1900), B5 (850), B8 (900)
2G: B3 (1800), B5 (850), B8 (900); B2 (1900), B3 (1800), B5 (850), B8 (900)