fossibot F102 vs Unihertz 8849 Tank 4 Pro

At a glance

Brand: Fossibot; Unihertz
Release date: August 2023, 2 years 10 months ago; July 2025, 11 months ago
AnTuTu: 408.400 Antutu v10 Overall performance better than 67% of devices; 1.526.000 Antutu v10 Overall performance better than 91% of devices

Size: 6.58"; 6.73"
Resolution: 1080 x 2408 px FHD+; 1440 x 3200 px WQHD+
Type: LCD IPS; AMOLED
Density: 401 ppi Very high density; 521 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

Chipset: MediaTek Helio G99 (MT6789); MediaTek Dimensity 8300 Ultra
CPU: 2x Cortex A76 2.2 GHz + 6x Cortex A55 2.0 GHz; 1x cortex A715 3.35GHz+3x cortex A715 3.20GHz+4x cortex A510 2.20 GHz
CPU type: Octa-Core; Octa-Core
Process: 6 nm; 4 nm
Frequency: 2.2 GHz; 3.35 GHz
GPU: Mali-G57 MC2; Mali G615-MC6
RAM: 12 GB; 16 GB
RAM type: LPDDR4X RAM; RAM LPDDR5X
64-bit: Yes; Yes

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

Dimensions: 82.6 mm 172.3 mm 25.6 mm Print 3D Model; 87.0 mm 174.9 mm 22.5 mm Print 3D Model
Weight: 495 g; 530 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 %; 71 %
Drop resistance: —; Class A B C D E 180 drops without defects
Repairability: —; Class A B C D E

Operating system: Android 13 Tiramisu Android 13; Android 13 Tiramisu Android 13
Google services: With Google Mobile Services; With Google Mobile Services

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

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)