Unihertz 8849 Tank 4 vs Vivo Y21d

Unihertz
8849 Tank 4

Vivo
Y21d
Resumen
- Marca
- Unihertz
- vivo
- Fecha de lanzamiento
- octubre de 2025, hace 8 meses
- noviembre de 2025, hace 7 meses
- AnTuTu
- 711.190 Antutu v10 Overall performance better than 78% of devices
- 222.000 Antutu v10 Overall performance better than 56% of devices
Pantalla
- Tamaño
- 6.78"
- 6.68"
- Resolución
- 1200 x 2650 px QHD
- 720 x 1608 px HD+
- Tipo
- AMOLED
- LCD IPS
- Densidad
- 429 ppi Very high density
- 264 ppi Medium Density
- Relación de aspecto
- 21:9
- 20:9
- Características
- Hole-punch Notch, Youji Glass - 1.1 mm, Refresh rate 120 Hz, Scratch resistant, Capacitive, Multi-touch, In-cell
- Hole-punch Notch, Refresh rate 90 Hz, Peak brightness - 1000 cd/m², Max brightness HBM - 1000 cd/m², TÜV Rheinland Eye Comfort Certification, DCI-P3, 83% NTSC, LED Notifications, 2.5D curved glass screen, Capacitive, Multi-touch, Frameless
Rendimiento
- Procesador
- MediaTek Dimensity 7300 Ultra
- Unisoc Tiger T612 / T7225
- CPU
- 4xCortex A78 2.5GHz + 4xCortex A55 2.0GHz
- 2 x ARM Cortex A75 1.8Ghz + 6 x ARM Cortex A55 1.8Ghz
- Tipo de CPU
- Octa-Core
- Octa-Core
- Proceso
- 4 nm
- 12 nm
- Frecuencia
- 2.5 GHz
- 1.8 GHz
- GPU
- Mali-G615 MC2
- Mali-G57 MP1
- RAM
- 12 GB
- 4 GB
- Tipo de RAM
- RAM LPDDR5X
- LPDDR4X RAM
- 64 bits
- Yes
- Yes
Cámara trasera
- Resolución
- 50 Mpx
- 50 Mpx
- Apertura
- ƒ/ 1.88
- ƒ/ 1.8
- Sensor
- Samsung GN1
- —
- Tamaño de píxel
- 1.00 µm
- —
- Tamaño del sensor
- 1/1.31"
- —
- Flash
- Dual LED
- Dual LED
- Estabilización óptica
- No
- No
- Cámara lenta
- No, 30 fps
- Yes, 120 fps
- Características
- 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
- Digital zoom, Dual camera, 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, Front Flash
Cámara frontal
- Resolución
- 32 Mpx
- 5 Mpx
- Apertura
- ƒ/ 2.25
- ƒ/ 2.2
- Sensor
- Samsung S5KGD1
- —
- Tamaño de píxel
- 0.80 µm
- —
Batería
- Capacidad
- 11600 mAh
- 6500 mAh
- Tipo
- Li-Polymer
- Li-Ion
- Carga rápida
- Yes , 66.0W
- Yes , 44.0W
- Ciclos de carga
- 1000 cycles
- —
- Autonomía
- ~ 105h
- —
- Características
- Non-removable
- Non-removable
Almacenamiento
- Capacidad
- 512 GB
- 128 GB
- Tipo
- UFS Storage 4.0
- eMMC 5.1 Storage
- Ranura SD
- Yes , Independent SD slot
- Yes , Independent SD slot
Cuerpo
- Dimensiones
- 85.4 mm 174.3 mm 23.9 mm Print 3D Model
- 77.0 mm 166.1 mm 8.4 mm Print 3D Model
- Peso
- 538 g
- 209 g
- Materiales
- Polycarbonate
- Plastic , Splash resistant design
- Colores
- Black
- Green Coral
- Resistencia al agua y polvo
- IP68, MIL-STD-810H
- IP68, IP69
- Resistencia a caídas
- Class A B C D E 90 drops without defects
- —
- Reparabilidad
- Class A B C D E
- —
- Superficie útil
- 75 %
- 83 %
Software
- Sistema operativo
- Android 15 Android 15
- Android 15 Funtouch OS 15 (Android 15)
- Servicios de Google
- With Google Mobile Services
- With Google Mobile Services
Conectividad
- 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 5.2 LELow energy consumption
- Perfiles Bluetooth
- A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), LE (Low Energy), HS
- A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), LE (Low Energy)
- 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
- Funciones 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
- Funciones USB
- Charging, OTG
- Charging, OTG
- Navegación
- GPS, A-GPS, GLONASS, Beidou, Galileo
- GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo
Redes
- 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)
- —
- 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), 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), 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)
- B3 (1800), B5 (850), B8 (900)
Sensores y seguridad
- Huella dactilar
- Yes, on the side
- Yes, on the side
- Acelerómetro
- Yes
- Yes
- Giroscopio
- Yes
- Yes
- Proximidad
- Yes
- Yes
- Sensor de luz
- Yes
- Yes
- Barómetro
- Yes
- —
- Brújula
- Yes
- —
- Sistema de refrigeración
- No
- No
- Audio
- Noise cancellation microphone, 2 microphones
- —

















