Unihertz 8849 Tank 4 vs Vivo Y78

En bref

Marque: Unihertz; vivo
Date de sortie: octobre 2025, il y a 8 mois; mai 2023, il y a 3 ans et 1 mois
AnTuTu: 711.190 Antutu v10 Overall performance better than 78% of devices; 547.600 Antutu v10 Overall performance better than 74% of devices
Prix de lancement: —; CN¥ 1,399.00 ($ 204.59)

Taille: 6.78"; 6.64"
Résolution: 1200 x 2650 px QHD; 1080 x 2388 px FHD+
Type: AMOLED; LCD IPS
Densité: 429 ppi Very high density; 395 ppi High Density
Rapport d’aspect: 21:9; 20:9
Fonctions: Hole-punch Notch, Youji Glass - 1.1 mm, Refresh rate 120 Hz, Scratch resistant, Capacitive, Multi-touch, In-cell; Hole-punch Notch, Refresh rate 120 Hz, Touch sampling rate 240 Hz, 1500:1 contrast ratio, HDR10, DCI-P3, 96% NTSC, Scratch resistant, Capacitive, Multi-touch, Frameless

Chipset: MediaTek Dimensity 7300 Ultra; MediaTek Dimensity 7050 (MT6877)
CPU: 4xCortex A78 2.5GHz + 4xCortex A55 2.0GHz; 2x2.6 GHz ARM Cortex A78+6x 2.0 GHz ARM Cortex A55
Type de CPU: Octa-Core; Octa-Core
Gravure: 4 nm; 6 nm
Fréquence: 2.5 GHz; 2.6 GHz
GPU: Mali-G615 MC2; Mali-G68 MC4
RAM: 12 GB; 8 GB
Type de RAM: RAM LPDDR5X; LPDDR4X RAM
64 bits: Yes; Yes

Résolution: 50 Mpx; 50 Mpx
Ouverture: ƒ/ 1.88; ƒ/ 1.8
Capteur: Samsung GN1; —
Taille de pixel: 1.00 µm; —
Taille du capteur: 1/1.31"; —
Flash: Dual LED; LED
Stabilisation optique: No; Yes
Ralenti: No, 30 fps; Yes, 960 fps
Fonctions: Digital zoom, Triple camera, Digital image stabilization, 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, Night Vision; UIS, UIS Max, Noise reduction, 4K Video, Digital zoom, Dual camera, Digital image stabilization, Optical Stabilization (OIS), Ultra stable video, Autofocus, Touch focus, Continuous autofocus, Phase detection autofocus (PDAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, Night Mode

Dimensions: 85.4 mm 174.3 mm 23.9 mm Print 3D Model; 76.2 mm 164.1 mm 8.0 mm Print 3D Model
Poids: 538 g; 190 g
Matériaux: Polycarbonate; Polycarbonate
Couleurs: Black; Black Gold Green
Résistance eau/poussière: IP68, MIL-STD-810H; —
Résistance aux chutes: Class A B C D E 90 drops without defects; —
Réparabilité: Class A B C D E; —
Surface utile: 75 %; 85 %

Système d’exploitation: Android 15 Android 15; Android 13 Tiramisu OriginOS 3 (Android 13)
Services Google: With Google Mobile Services; Without Google Mobile services

SIM: Dual SIM Dual Standby (Nano SIM + Nano SIM); Dual SIM Dual Standby (Nano SIM + Nano SIM)
Bluetooth: Bluetooth 5.3 LELow energy consumption; Bluetooth 5.3 LELow energy consumption
Profils Bluetooth: A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), LE (Low Energy), HS; A2DP (Advanced Audio Distribution Profile), LE (Low Energy), APT-x, LDAC, SBC, AAC
Wi-Fi: 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac, WiFi 6 (802.11ax); 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac, WiFi 6 (802.11ax)
Fonctions Wi-Fi: 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, Galileo; GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo, GLONASS (L1), BeiDou (B1)

5G: n1 (2100), n2 (1900 PCS), n3 (1800), n5 (850), n7 (2600), n8 (900), n12 (700), n20 (800), n25 (1900), n28b (700), n28a (700), n38 (2600), n40 (2300), n41 (2500), n66 (1700), n77 (3700), n78 (3500); n1 (2100), n5 (850), n8 (900), n28a (700), n41 (2500), n77 (3700), n78 (3500)
4G LTE: B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B12 (700), B13 (700), B17 (700), B18 (800), B19 (800), B20 (800), B25 (1900+), B26 (850), 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), B8 (900), B28a (700), B34 (TDD 2100), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500)
3G: B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B6 (800), B8 (900), B19 (800); B1 (2100), B5 (850), B8 (900)
2G: CDMA BC0 (800), CDMA BC1 (1900), B2 (1900), B3 (1800), B5 (850), B8 (900); CDMA BC0 (800), B2 (1900), B3 (1800), B5 (850), B8 (900)