Ulefone Armor 21 vs Xiaomi Redmi Note 15 4G

In sintesi

Marca: Ulefone; Xiaomi
Data di uscita: maggio 2023, 3 anni e 1 mesi fa; dicembre 2025, 6 mesi fa
AnTuTu: 411.900 Antutu v10 Overall performance better than 68% of devices; 550.000 Antutu v10 Overall performance better than 74% of devices
Prezzo di lancio: —; € 199.99 ($ 234.14)

Dimensione: 6.58"; 6.77"
Risoluzione: 1080 x 2408 px FHD+; 1080 x 2392 px FHD+
Tipo: LCD IPS; AMOLED
Densità: 367 ppi High Density; 388 ppi High Density
Rapporto d’aspetto: 20:9; 20:9
Caratteristiche: Water Drop Notch, Refresh rate 120 Hz, Touch sampling rate 240 Hz, Color LED Notifications, Scratch resistant, Capacitive, Multi-touch, Oleophobic coating; Hole-punch Notch, SGS Certified, TUV Rheinland Low Blue Light, TÜV Rheinland Flicker-free Certified, 3840 Hz PWM, Refresh rate 120 Hz, Touch sampling rate 240 Hz, Peak brightness - 3200 cd/m², 5000000:1 contrast ratio, TÜV Rheinland Eye Comfort Certification, HDR10+, DCI-P3, Scratch resistant, Corning Gorilla Glass, Dragontrail Pro glass, Capacitive, Multi-touch, Frameless

Chipset: MediaTek Helio G99 (MT6789); MediaTek Helio G100
CPU: 2x Cortex A76 2.2 GHz + 6x Cortex A55 2.0 GHz; 2x2.2GHz Cortex A76 + 6x2GHz Cortex A55
Tipo di CPU: Octa-Core; Octa-Core
Processo: 6 nm; 6 nm
Frequenza: 2.2 GHz; 2.2 GHz
GPU: Mali-G57 MC2; Arm Mali-G57 MC2
RAM: 8 GB; 6 GB
Tipo di RAM: LPDDR4X RAM; LPDDR4X RAM
64 bit: Yes; Yes

Risoluzione: 64 Mpx; 108 Mpx
Apertura: ƒ/ 1.9; ƒ/ 1.7
Sensore: Sony IMX686 Exmor RS; Samsung
Dimensione pixel: 0.80 µm; —
Dimensione sensore: 1/1.7"; —
Flash: Dual LED; LED
Stabilizzazione ottica: No; No
Slow motion: No, 30 fps; Yes, 120 fps
Caratteristiche: Digital zoom, Autofocus, Touch focus, Phase detection autofocus (PDAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer; Digital zoom, Dual camera, Digital image stabilization, Ultra stable video, Autofocus, Touch focus, Manual focus, Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, RAW, Front Flash, Night Mode

Dimensioni: 81.6 mm 176.0 mm 18.1 mm Print 3D Model; 75.4 mm 164.0 mm 7.9 mm Print 3D Model
Peso: 400 g; 184 g
Materiali: Rugged Smartphone, Polycarbonate; Plastic
Colori: Black; Black Blue Purple Green
Resistenza ad acqua/polvere: IP68, IP69 , MIL-STD-810H; IP64 , Splash resistant
Resistenza alle cadute: Class A B C D E 270 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: 77 %; 89 %

Sistema operativo: Android 13 Tiramisu Android 13; Android 15 HyperOS 2.X (Android 15)
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 5.2 LELow energy consumption; Bluetooth 5.1 LELow energy consumption
Profili Bluetooth: A2DP (Advanced Audio Distribution Profile), LE (Low Energy); A2DP (Advanced Audio Distribution Profile), LE (Low Energy), LDAC, 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; Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, Wi-Fi MiMO
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, GPS (L1+L5), BeiDou (B1)

4G LTE: B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B12 (700), B17 (700), B18 (800), B19 (800), B20 (800), B28b (700), B28a (700), B34 (TDD 2100), B38 (TDD 2600), B39 (TDD 1900), 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), B4 (1700/2100 AWS A-F), B5 (850), B8 (900); B1 (2100), B5 (850), B8 (900)
2G: CDMA BC0 (800), CDMA BC1 (1900), B2 (1900), B3 (1800), B5 (850), B8 (900); B2 (1900), B3 (1800), B5 (850), B8 (900)