Oppo A57 4G vs Ulefone Armor 21

En bref

Marque: Oppo; Ulefone
Date de sortie: mai 2022, il y a 4 ans et 1 mois; mai 2023, il y a 3 ans et 1 mois
AnTuTu: 110.000 Antutu v8 Overall performance better than 51% of devices; 411.900 Antutu v10 Overall performance better than 68% of devices

Taille: 6.56"; 6.58"
Résolution: 720 x 1612 px HD+; 1080 x 2408 px FHD+
Type: LCD IPS; LCD IPS
Densité: 269 ppi Medium Density; 367 ppi High Density
Rapport d’aspect: 20:9; 20:9
Fonctions: 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, Refresh rate 120 Hz, Touch sampling rate 240 Hz, Color LED Notifications, Scratch resistant, Capacitive, Multi-touch, Oleophobic coating

Résolution: 13 Mpx; 64 Mpx
Ouverture: ƒ/ 2.2; ƒ/ 1.9
Flash: LED; Dual LED
Stabilisation optique: No; No
Ralenti: Yes, 120 fps; No, 30 fps
Fonctions: 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, 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
Capteur: —; Sony IMX686 Exmor RS
Taille de pixel: —; 0.80 µm
Taille du capteur: —; 1/1.7"

Capacité: 64 GB; 256 GB
Emplacement SD: Yes , Slot for SD or second SIM card; Yes , Independent SD slot
Type: —; UFS Storage 2.1

Dimensions: 75.0 mm 163.7 mm 8.0 mm Print 3D Model; 81.6 mm 176.0 mm 18.1 mm Print 3D Model
Poids: 187 g; 400 g
Matériaux: Plastic; Rugged Smartphone, Polycarbonate
Couleurs: Black Green; Black
Résistance eau/poussière: IP54; IP68, IP69 , MIL-STD-810H
Surface utile: 82 %; 77 %
Résistance aux chutes: —; Class A B C D E 270 drops without defects
Réparabilité: —; Class A B C D E

Système d’exploitation: Android 12 Snow Cone ColorOS 12.1 (Android 12); Android 13 Tiramisu Android 13
Services 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 5.2 LELow energy consumption
Profils Bluetooth: A2DP (Advanced Audio Distribution Profile), LE (Low Energy), APT-x, LDAC, SBC, AAC; A2DP (Advanced Audio Distribution Profile), LE (Low Energy)
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
Fonctions 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
Fonctions USB: Charging, OTG; Charging, OTG
Navigation: 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), 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)
3G: B1 (2100), B5 (850), B8 (900); B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B8 (900)
2G: B2 (1900), B3 (1800), B5 (850), B8 (900); CDMA BC0 (800), CDMA BC1 (1900), B2 (1900), B3 (1800), B5 (850), B8 (900)