Oppo A57 4G vs Xiaomi Redmi A4

In sintesi

Marca: Oppo; Xiaomi
Data di uscita: maggio 2022, 4 anni e 1 mesi fa; novembre 2024, 1 anni e 7 mesi fa
AnTuTu: 110.000 Antutu v8 Overall performance better than 51% of devices; 383.772 Antutu v10 Overall performance better than 65% of devices
Prezzo di lancio: —; ₹ 9,499.00 ($ 100.78)

Dimensione: 6.56"; 6.88"
Risoluzione: 720 x 1612 px HD+; 720 x 1640 px HD+
Tipo: LCD IPS; LCD IPS
Densità: 269 ppi Medium Density; 260 ppi Medium Density
Rapporto d’aspetto: 20:9; 21:9
Caratteristiche: Hole-punch Notch, Brightnes 480 cd/m² (typ), Max brightness HBM - 550 cd/m², 1500:1 contrast ratio, DCI-P3, 70% NTSC, 96% NTSC, Scratch resistant, 2.5D curved glass screen, Capacitive, Multi-touch, Frameless; Water Drop Notch, TÜV Rheinland Flicker-free Certified, TÜV Low Blue Light, Refresh rate 120 Hz, Touch sampling rate 240 Hz, Brightnes 450 cd/m² (typ), Max brightness HBM - 600 cd/m², TÜV Rheinland Eye Comfort Certification, DCI-P3, Scratch resistant, 2.5D curved glass screen, Capacitive, Frameless

Risoluzione: 13 Mpx; 50 Mpx
Apertura: ƒ/ 2.2; ƒ/ 1.8
Flash: LED; LED
Stabilizzazione ottica: No; No
Slow motion: Yes, 120 fps; Yes, 120 fps
Caratteristiche: Triple camera, Digital image stabilization, Autofocus, Touch focus, Manual focus, Phase detection autofocus (PDAF), 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, Phase detection autofocus (PDAF), Geotagging, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer

Dimensioni: 75.0 mm 163.7 mm 8.0 mm Print 3D Model; 77.8 mm 171.9 mm 8.2 mm Print 3D Model
Peso: 187 g; 213 g
Materiali: Plastic; Polycarbonate , Glass
Colori: Black Green; Black Purple
Resistenza ad acqua/polvere: IP54; IP52
Superficie utile: 82 %; 84 %

Sistema operativo: Android 12 Snow Cone ColorOS 12.1 (Android 12); Android 14 Upside-down cake HyperOS (Android 14)
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 5.1 LELow energy consumption; Bluetooth 5.0 LELow energy consumption
Profili Bluetooth: A2DP (Advanced Audio Distribution Profile), LE (Low Energy), APT-x, LDAC, SBC, AAC; A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), HID (Human Interface Profile), LE (Low Energy), 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
USB: USB Type-C; USB Type-C
Funzioni USB: Charging, OTG; Charging, OTG
Navigazione: GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo; GPS, A-GPS, GLONASS, Beidou, Galileo

4G LTE: 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); B1 (2100), B3 (1800), B5 (850), B7 (2600), B8 (900), B28b (700), B28a (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500)
3G: B1 (2100), B5 (850), B8 (900); B1 (2100), B2 (1900), B5 (850), B8 (900)
2G: B2 (1900), B3 (1800), B5 (850), B8 (900); B2 (1900), B3 (1800), B5 (850), B8 (900)
5G: —; n1 (2100), n3 (1800), n5 (850), n8 (900), n28b (700), n28a (700), n40 (2300), n78 (3500)