fossibot F109S vs Unihertz 8849 Tank 4

fossibot F109S
fossibot
F109S
Unihertz 8849 Tank 4
Unihertz
8849 Tank 4

At a glance

Brand
Fossibot
Unihertz
Release date
June 2025, 1 years ago
October 2025, 8 months ago
AnTuTu
245.076 Antutu v10 Overall performance better than 58% of devices
711.190 Antutu v10 Overall performance better than 78% of devices

Display

Size
6.74"
6.78"
Resolution
720 x 1620 px HD+
1200 x 2650 px QHD
Type
LCD IPS
AMOLED
Density
269 ppi Medium Density
429 ppi Very high density
Aspect ratio
20:9
21:9
Features
Water Drop Notch, Refresh rate 120 Hz, Scratch resistant, 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 G81 (MT6769)
MediaTek Dimensity 7300 Ultra
CPU
2x Cortex A75 2.0 GHz + 6x Cortex A55 1.7 GHz
4xCortex A78 2.5GHz + 4xCortex A55 2.0GHz
CPU type
Octa-Core
Octa-Core
Process
12 nm
4 nm
Frequency
2 GHz
2.5 GHz
GPU
ARM Mali-G52 MC2
Mali-G615 MC2
RAM
6 GB
12 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
Sensor
Hynix Hi-5021Q
Samsung GN1
Pixel size
0.70 µm
1.00 µm
Sensor size
1/2.55"
1/1.31"
Flash
Dual LED
Dual LED
Optical stabilization
No
No
Slow motion
No, 30 fps
No, 30 fps
Features
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, 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
16 Mpx
32 Mpx
Aperture
ƒ/ 2.45
ƒ/ 2.25
Sensor
Sony IMX471 Exmor RS
Samsung S5KGD1
Pixel size
1.00 µm
0.80 µm

Battery

Capacity
10600 mAh
11600 mAh
Type
Li-Polymer
Li-Polymer
Fast charge
Yes , 18.0W
Yes , 66.0W
Charge cycles
1000 cycles
1000 cycles
Runtime
~ 119h
~ 105h
Features
Non-removable
Non-removable

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
81.7 mm 176.1 mm 18.5 mm Print 3D Model
85.4 mm 174.3 mm 23.9 mm Print 3D Model
Weight
380 g
538 g
Materials
Rugged Smartphone, Polycarbonate
Polycarbonate
Colors
Red Gray
Black
Water/dust resistance
IP68, IP69 , MIL-STD-810H
IP68, MIL-STD-810H
Drop resistance
Class A B C D E 270 drops without defects
Class A B C D E 90 drops without defects
Repairability
Class A B C D E
Class A B C D E
Usable surface
75 %
75 %

Software

Operating system
Android 14 Upside-down cake Android 14
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 5.2 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, WiFi 6 (802.11ax)
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, QZSS, Galileo
GPS, A-GPS, GLONASS, Beidou, Galileo

Networks

5G
n1 (2100), n3 (1800), n5 (850), n8 (900), n20 (800), n28b (700), n28a (700), n38 (2600), n41 (2500), n77 (3700), n78 (3500)
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), 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), 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
B2 (1900), B3 (1800), B5 (850), B8 (900)
CDMA BC0 (800), CDMA BC1 (1900), B2 (1900), B3 (1800), B5 (850), B8 (900)

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

Compared with fossibot F109S

  • fossibot
    F109S
    6 GB · 6.74" · MediaTek Helio G81 (MT6769)
    fossibot F109S
    fossibot F113
    fossibot
    F113
    12 GB · 6.78" · MediaTek Dimensity 7050 (MT6877)
    View comparison
  • fossibot
    F109S
    6 GB · 6.74" · MediaTek Helio G81 (MT6769)
    fossibot F109S
    fossibot S3 Pro
    fossibot
    S3 Pro
    6 GB · 6.67" · MediaTek Helio G85 (MT6769V/CZ)
    View comparison
  • fossibot
    F109S
    6 GB · 6.74" · MediaTek Helio G81 (MT6769)
    fossibot F109S
    fossibot F102
    fossibot
    F102
    12 GB · 6.58" · MediaTek Helio G99 (MT6789)
    View comparison
  • fossibot
    F109S
    6 GB · 6.74" · MediaTek Helio G81 (MT6769)
    fossibot F109S
    Motorola Edge 60 Neo
    Motorola
    Edge 60 Neo
    12 GB · 6.3" · MediaTek Dimensity 7400
    View comparison
  • fossibot
    F109S
    6 GB · 6.74" · MediaTek Helio G81 (MT6769)
    fossibot F109S
    Xiaomi 15 Ultra
    Xiaomi
    15 Ultra
    16 GB · 6.73" · Qualcomm Snapdragon 8 Elite
    View comparison
  • fossibot
    F109S
    6 GB · 6.74" · MediaTek Helio G81 (MT6769)
    fossibot F109S
    Vivo G2
    Vivo
    G2
    4 GB · 6.56" · MediaTek Dimensity 6020 (MT6833V/ZA)
    View comparison
  • fossibot
    F109S
    6 GB · 6.74" · MediaTek Helio G81 (MT6769)
    fossibot F109S
    Oppo Find X7 Ultra
    Oppo
    Find X7 Ultra
    12 GB · 6.82" · Qualcomm Snapdragon 8 Gen3
    View comparison
  • fossibot
    F109S
    6 GB · 6.74" · MediaTek Helio G81 (MT6769)
    fossibot F109S
    Honor 70 Lite
    Honor
    70 Lite
    4 GB · 6.5" · Qualcomm Snapdragon 480 Plus (SM4350-AC)
    View comparison
  • fossibot
    F109S
    6 GB · 6.74" · MediaTek Helio G81 (MT6769)
    fossibot F109S
    Vivo iQOO Z7s
    Vivo
    iQOO Z7s
    6 GB · 6.38" · Qualcomm Snapdragon 695 (SM6375)
    View comparison

Compared with Unihertz 8849 Tank 4

  • Unihertz
    8849 Tank 4
    12 GB · 6.78" · MediaTek Dimensity 7300 Ultra
    Unihertz 8849 Tank 4
    Unihertz 8849 Hike
    Unihertz
    8849 Hike
    12 GB · 6.79" · MediaTek Helio G200
    View comparison
  • Unihertz
    8849 Tank 4
    12 GB · 6.78" · MediaTek Dimensity 7300 Ultra
    Unihertz 8849 Tank 4
    Unihertz 8849 Shark 5G
    Unihertz
    8849 Shark 5G
    12 GB · 6.79" · MediaTek Dimensity 8200 (MT6896)
    View comparison
  • Unihertz
    8849 Tank 4
    12 GB · 6.78" · MediaTek Dimensity 7300 Ultra
    Unihertz 8849 Tank 4
    Unihertz Tank 3
    Unihertz
    Tank 3
    16 GB · 6.79" · MediaTek Dimensity 8200 (MT6896)
    View comparison
  • Unihertz
    8849 Tank 4
    12 GB · 6.78" · MediaTek Dimensity 7300 Ultra
    Unihertz 8849 Tank 4
    Blackview XPLORE 1 Pro
    Blackview
    XPLORE 1 Pro
    12 GB · 6.78" · MediaTek Dimensity 7050 (MT6877)
    View comparison
  • Unihertz
    8849 Tank 4
    12 GB · 6.78" · MediaTek Dimensity 7300 Ultra
    Unihertz 8849 Tank 4
    Infinix Smart 10 HD
    Infinix
    Smart 10 HD
    2 GB · 6.6" · Unisoc Tiger T615 (T7250)
    View comparison
  • Unihertz
    8849 Tank 4
    12 GB · 6.78" · MediaTek Dimensity 7300 Ultra
    Unihertz 8849 Tank 4
    OnePlus Ace 5
    OnePlus
    Ace 5
    16 GB · 6.78" · Qualcomm Snapdragon 8 Gen3
    View comparison
  • Unihertz
    8849 Tank 4
    12 GB · 6.78" · MediaTek Dimensity 7300 Ultra
    Unihertz 8849 Tank 4
    Doogee V Max Plus
    Doogee
    V Max Plus
    16 GB · 6.58" · MediaTek Dimensity 7050 (MT6877)
    View comparison
  • Unihertz
    8849 Tank 4
    12 GB · 6.78" · MediaTek Dimensity 7300 Ultra
    Unihertz 8849 Tank 4
    Vivo iQOO Z7s
    Vivo
    iQOO Z7s
    6 GB · 6.38" · Qualcomm Snapdragon 695 (SM6375)
    View comparison
  • Unihertz
    8849 Tank 4
    12 GB · 6.78" · MediaTek Dimensity 7300 Ultra
    Unihertz 8849 Tank 4
    realme Narzo N55
    realme
    Narzo N55
    4 GB · 6.72" · MediaTek Helio G88
    View comparison