fossibot S2 vs Unihertz 8849 Tank 4 Pro

fossibot
S2

Unihertz
8849 Tank 4 Pro
At a glance
- Brand
- Fossibot
- Unihertz
- Release date
- January 2025, 1 years 4 months ago
- July 2025, 10 months ago
- AnTuTu
- 228.400 Antutu v10 Overall performance better than 57% of devices
- 1.526.000 Antutu v10 Overall performance better than 91% of devices
Display
- Size
- 6.72"
- 6.73"
- Resolution
- 1080 x 2400 px FHD+
- 1440 x 3200 px WQHD+
- Type
- LCD IPS
- AMOLED
- Density
- 392 ppi High Density
- 521 ppi Very high density
- Aspect ratio
- 20:9
- 21:9
- Features
- Hole-punch Notch, Scratch resistant, Capacitive, Multi-touch, Frameless
- Hole-punch Notch, Youji Glass - 1.1 mm, Refresh rate 120 Hz, Scratch resistant, Capacitive, Multi-touch, In-cell
Performance
- Chipset
- MediaTek Helio G85 (MT6769V/CZ)
- MediaTek Dimensity 8300 Ultra
- CPU
- 2x Cortex A75 2.0 GHz + 6x Cortex A55 1.8 GHz
- 1x cortex A715 3.35GHz+3x cortex A715 3.20GHz+4x cortex A510 2.20 GHz
- CPU type
- Octa-Core
- Octa-Core
- Process
- 12 nm
- 4 nm
- Frequency
- 2 GHz
- 3.35 GHz
- GPU
- Arm Mali-G52 MC2 950MHz
- Mali G615-MC6
- RAM
- 8 GB
- 16 GB
- RAM type
- LPDDR4X RAM
- RAM LPDDR5X
- 64-bit
- Yes
- Yes
Rear camera
- Resolution
- 50 Mpx
- 50 Mpx
- Aperture
- ƒ/ 1.8
- ƒ/ 1.88
- Flash
- LED
- Dual LED
- Optical stabilization
- No
- No
- Slow motion
- No, 30 fps
- No, 30 fps
- Features
- Digital zoom, Triple camera, Autofocus, Touch focus, Phase detection autofocus (PDAF), Continuous shooting, Geotagging, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, Night Mode
- 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
- Sensor
- —
- Samsung GN1
- Pixel size
- —
- 1.00 µm
- Sensor size
- —
- 1/1.31"
Front camera
- Resolution
- 16 Mpx
- 50 Mpx
- Aperture
- ƒ/ 2.45
- ƒ/ 2.25
- Sensor
- Sony IMX471 Exmor RS
- Hynix Hi-5022Q
- Pixel size
- 1.00 µm
- 0.70 µm
Battery
- Capacity
- 5000 mAh
- 11600 mAh
- Type
- Li-Polymer
- Li-Polymer
- Fast charge
- Yes , 18.0W
- Yes , 120.0W
- Charge cycles
- 1000 cycles
- 1000 cycles
- Runtime
- ~ 47h
- ~ 105h
- Features
- Non-removable
- Non-removable
Storage
- Capacity
- 256 GB
- 512 GB
- SD slot
- Yes , Independent SD slot
- Yes , Independent SD slot
- Type
- —
- UFS Storage 4.0
Body
- Dimensions
- 77.0 mm 166.9 mm 8.6 mm Print 3D Model
- 87.0 mm 174.9 mm 22.5 mm Print 3D Model
- Weight
- 201 g
- 530 g
- Materials
- Polycarbonate
- Polycarbonate
- Colors
- Black Cyan
- Black
- Drop resistance
- Class A B C D E 270 drops without defects
- Class A B C D E 180 drops without defects
- Repairability
- Class A B C D E
- Class A B C D E
- Usable surface
- 84 %
- 71 %
- Water/dust resistance
- —
- IP68, MIL-STD-810H
Software
- Operating system
- Android 14 Upside-down cake Android 14
- Android 13 Tiramisu Android 13
- Google services
- With Google Mobile Services
- With Google Mobile Services
Connectivity
- SIM
- Dual SIM Dual Standby (Nano SIM + Nano SIM)
- Dual SIM Dual Standby (Nano SIM + Nano SIM)
- Bluetooth
- Bluetooth 5.0 LELow energy consumption
- Bluetooth 5.4 LELow energy consumption
- Bluetooth profiles
- A2DP (Advanced Audio Distribution Profile), LE (Low Energy)
- A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), LE (Low Energy), HS
- 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, WiFi 6 (802.11ax)
- Wi-Fi features
- Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display
- 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, Galileo
Networks
- 4G LTE
- 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), B25 (1900+), B26 (850), B28b (700), B28a (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500), B66 (1700/2100), B71 (600)
- 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)
- 3G
- B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B8 (900)
- B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B6 (800), B8 (900), B19 (800)
- 2G
- B2 (1900), B3 (1800), B5 (850), B8 (900)
- CDMA BC0 (800), CDMA BC1 (1900), B2 (1900), B3 (1800), B5 (850), B8 (900)
- 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)
Sensors & security
- Fingerprint
- Yes, on the side
- Yes, on the side
- Accelerometer
- Yes
- Yes
- Proximity
- Yes
- Yes
- Light sensor
- Yes
- Yes
- Cooling system
- No
- No
- Gyroscope
- —
- Yes
- Barometer
- —
- Yes
- Compass
- —
- Yes
- Audio
- —
- Noise cancellation microphone, 2 microphones
















