Unihertz 8849 Tank 4 vs Vivo Y78
Unihertz
8849 Tank 4
Vivo
Y78
At a glance
- Brand
- Unihertz
- vivo
- Release date
- October 2025, 8 months ago
- May 2023, 3 years 1 months ago
- AnTuTu
- 711.190 Antutu v10 Overall performance better than 78% of devices
- 547.600 Antutu v10 Overall performance better than 74% of devices
- Launch price
- —
- CN¥ 1,399.00 ($ 204.59)
Display
- Size
- 6.78"
- 6.64"
- Resolution
- 1200 x 2650 px QHD
- 1080 x 2388 px FHD+
- Type
- AMOLED
- LCD IPS
- Density
- 429 ppi Very high density
- 395 ppi High Density
- Aspect ratio
- 21:9
- 20:9
- Features
- 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
Performance
- 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
- CPU type
- Octa-Core
- Octa-Core
- Process
- 4 nm
- 6 nm
- Frequency
- 2.5 GHz
- 2.6 GHz
- GPU
- Mali-G615 MC2
- Mali-G68 MC4
- RAM
- 12 GB
- 8 GB
- RAM type
- RAM LPDDR5X
- LPDDR4X RAM
- 64-bit
- Yes
- Yes
Rear camera
- Resolution
- 50 Mpx
- 50 Mpx
- Aperture
- ƒ/ 1.88
- ƒ/ 1.8
- Sensor
- Samsung GN1
- —
- Pixel size
- 1.00 µm
- —
- Sensor size
- 1/1.31"
- —
- Flash
- Dual LED
- LED
- Optical stabilization
- No
- Yes
- Slow motion
- No, 30 fps
- Yes, 960 fps
- Features
- 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
Front camera
- Resolution
- 32 Mpx
- 8 Mpx
- Aperture
- ƒ/ 2.25
- ƒ/ 2.0
- Sensor
- Samsung S5KGD1
- —
- Pixel size
- 0.80 µm
- —
Battery
- Capacity
- 11600 mAh
- 5000 mAh
- Type
- Li-Polymer
- Li-Polymer
- Fast charge
- Yes , 66.0W
- Yes , 44.0W
- Charge cycles
- 1000 cycles
- —
- Runtime
- ~ 105h
- —
- Features
- Non-removable
- Non-removable
Storage
- Capacity
- 512 GB
- 128 GB
- Type
- UFS Storage 4.0
- UFS Storage 2.2
- SD slot
- Yes , Independent SD slot
- No
Body
- 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
- Weight
- 538 g
- 190 g
- Materials
- Polycarbonate
- Polycarbonate
- Colors
- Black
- Black Gold Green
- Water/dust resistance
- IP68, MIL-STD-810H
- —
- Drop resistance
- Class A B C D E 90 drops without defects
- —
- Repairability
- Class A B C D E
- —
- Usable surface
- 75 %
- 85 %
Software
- Operating system
- Android 15 Android 15
- Android 13 Tiramisu OriginOS 3 (Android 13)
- Google services
- With Google Mobile Services
- Without Google Mobile services
Connectivity
- 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
- Bluetooth profiles
- 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)
- Wi-Fi features
- 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
- USB features
- Charging, OTG
- Charging, OTG
- Navigation
- GPS, A-GPS, GLONASS, Beidou, Galileo
- GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo, GLONASS (L1), BeiDou (B1)
Networks
- 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)
Sensors & security
- Fingerprint
- Yes, on the side
- Yes, on the side
- Accelerometer
- Yes
- Yes
- Gyroscope
- Yes
- —
- Proximity
- Yes
- Yes
- Light sensor
- Yes
- Yes
- Barometer
- Yes
- —
- Compass
- Yes
- —
- Cooling system
- No
- Yes
- Audio
- Noise cancellation microphone, 2 microphones
- —
