Ulefone Armor 21 vs Xiaomi Redmi 15C

In sintesi

Marca: Ulefone; Xiaomi
Data di uscita: maggio 2023, 3 anni e 1 mesi fa; settembre 2025, 9 mesi fa
AnTuTu: 411.900 Antutu v10 Overall performance better than 68% of devices; 262.000 Antutu v10 Overall performance better than 60% of devices

Dimensione: 6.58"; 6.9"
Risoluzione: 1080 x 2408 px FHD+; 720 x 1600 px HD+
Tipo: LCD IPS; LCD IPS
Densità: 367 ppi High Density; 260 ppi Medium Density
Rapporto d’aspetto: 20:9; 21:9
Caratteristiche: Water Drop Notch, Refresh rate 120 Hz, Touch sampling rate 240 Hz, Color LED Notifications, Scratch resistant, Capacitive, Multi-touch, Oleophobic coating; 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: MediaTek Helio G99 (MT6789); MediaTek Helio G81 Ultra
CPU: 2x Cortex A76 2.2 GHz + 6x Cortex A55 2.0 GHz; 2x Cortex A75 2.0 GHz + 6x Cortex A55 1.8 GHz
Tipo di CPU: Octa-Core; Octa-Core
Processo: 6 nm; 12 nm
Frequenza: 2.2 GHz; 2 GHz
GPU: Mali-G57 MC2; Mali-G52 MC2
RAM: 8 GB; 4 GB
Tipo di RAM: LPDDR4X RAM; LPDDR4X RAM
64 bit: Yes; Yes

Risoluzione: 64 Mpx; 50 Mpx
Apertura: ƒ/ 1.9; ƒ/ 1.8
Sensore: Sony IMX686 Exmor RS; Samsung S5KJNS
Dimensione pixel: 0.80 µm; 0.64 µm
Dimensione sensore: 1/1.7"; 1/2.76"
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, Autofocus, Touch focus, Geotagging, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer

Dimensioni: 81.6 mm 176.0 mm 18.1 mm Print 3D Model; 79.5 mm 171.6 mm 8.0 mm Print 3D Model
Peso: 400 g; 205 g
Materiali: Rugged Smartphone, Polycarbonate; Plastic , Glass
Colori: Black; Black Blue Purple Green Orange
Resistenza ad acqua/polvere: IP68, IP69 , MIL-STD-810H; IP64
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 %; 84 %

Sistema operativo: Android 13 Tiramisu Android 13; 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 5.2 LELow energy consumption; Bluetooth 5.4 LELow energy consumption
Profili Bluetooth: A2DP (Advanced Audio Distribution 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), 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)