fossibot F102 vs Unihertz 8849 Tank 4
fossibot
F102
Unihertz
8849 Tank 4
At a glance
- Brand
- Fossibot
- Unihertz
- Release date
- August 2023, 2 years 10 months ago
- October 2025, 8 months ago
- AnTuTu
- 408.400 Antutu v10 Overall performance better than 67% of devices
- 711.190 Antutu v10 Overall performance better than 78% of devices
Display
- Size
- 6.58"
- 6.78"
- Resolution
- 1080 x 2408 px FHD+
- 1200 x 2650 px QHD
- Type
- LCD IPS
- AMOLED
- Density
- 401 ppi Very high density
- 429 ppi Very high density
- Aspect ratio
- 20:9
- 21:9
- Features
- Water Drop Notch, Refresh rate 120 Hz, Brightnes 480 cd/m² (typ), 1500:1 contrast ratio, Scratch resistant, Corning Gorilla Glass 5, Capacitive, Multi-touch
- Hole-punch Notch, Youji Glass - 1.1 mm, Refresh rate 120 Hz, Scratch resistant, Capacitive, Multi-touch, In-cell
Performance
- Chipset
- MediaTek Helio G99 (MT6789)
- MediaTek Dimensity 7300 Ultra
- CPU
- 2x Cortex A76 2.2 GHz + 6x Cortex A55 2.0 GHz
- 4xCortex A78 2.5GHz + 4xCortex A55 2.0GHz
- CPU type
- Octa-Core
- Octa-Core
- Process
- 6 nm
- 4 nm
- Frequency
- 2.2 GHz
- 2.5 GHz
- GPU
- Mali-G57 MC2
- Mali-G615 MC2
- RAM
- 12 GB
- 12 GB
- RAM type
- LPDDR4X RAM
- RAM LPDDR5X
- 64-bit
- Yes
- Yes
Rear camera
- Resolution
- 108 Mpx
- 50 Mpx
- Aperture
- ƒ/ 1.8
- ƒ/ 1.88
- Sensor
- Samsung S5KHM2
- Samsung GN1
- Pixel size
- 0.70 µm
- 1.00 µm
- Sensor size
- 1/1.52"
- 1/1.31"
- Flash
- Dual 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, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, Night Mode, Night Vision
- 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
Front camera
- Resolution
- 32 Mpx
- 32 Mpx
- Aperture
- ƒ/ 2.0
- ƒ/ 2.25
- Sensor
- Sony IMX616
- Samsung S5KGD1
- Pixel size
- 0.80 µm
- 0.80 µm
Battery
- Capacity
- 16500 mAh
- 11600 mAh
- Type
- Li-Polymer
- Li-Polymer
- Fast charge
- Yes , 33.0W
- Yes , 66.0W
- Features
- Non-removable
- Non-removable
- Charge cycles
- —
- 1000 cycles
- Runtime
- —
- ~ 105h
Storage
- Capacity
- 256 GB
- 512 GB
- Type
- UFS Storage 2.2
- UFS Storage 4.0
- SD slot
- Yes , Slot for SD or second SIM card
- Yes , Independent SD slot
Body
- Dimensions
- 82.6 mm 172.3 mm 25.6 mm Print 3D Model
- 85.4 mm 174.3 mm 23.9 mm Print 3D Model
- Weight
- 495 g
- 538 g
- Materials
- Rugged Smartphone, Polycarbonate , Corning Gorilla Glass
- Polycarbonate
- Colors
- Red Night Black
- Black
- Water/dust resistance
- IP68, MIL-STD-810G , IP69
- IP68, MIL-STD-810H
- Usable surface
- 70 %
- 75 %
- Drop resistance
- —
- Class A B C D E 90 drops without defects
- Repairability
- —
- Class A B C D E
Software
- Operating system
- Android 13 Tiramisu Android 13
- Android 15 Android 15
- 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 5.3 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), B13 (700), B17 (700), B18 (800), B19 (800), B20 (800), B25 (1900+), B26 (850), B28b (700), B28a (700), B38 (TDD 2600), B39 (TDD 1900), 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), B6 (800), B8 (900), B19 (800)
- B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B6 (800), B8 (900), B19 (800)
- 2G
- CDMA BC0 (800), CDMA BC1 (1900), 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
- Gyroscope
- Yes
- Yes
- Proximity
- Yes
- Yes
- Light sensor
- Yes
- Yes
- Compass
- Yes
- Yes
- Cooling system
- No
- No
- Barometer
- —
- Yes
- Audio
- —
- Noise cancellation microphone, 2 microphones
