fossibot S2 vs Xiaomi 15 Ultra

fossibot S2
fossibot
S2
Xiaomi 15 Ultra
Xiaomi
15 Ultra

At a glance

Brand
Fossibot
Xiaomi
Release date
January 2025, 1 years 4 months ago
February 2025, 1 years 3 months ago
AnTuTu
228.400 Antutu v10 Overall performance better than 57% of devices
2.966.580 Antutu v11 Overall performance better than 98% of devices
Launch price
€ 1,499.00 ($ 1,754.98)

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
20:9
Features
Hole-punch Notch, Scratch resistant, Capacitive, Multi-touch, Frameless
Hole-punch Notch, 1-120 Hz refresh rate, 1920 Hz PWM, TÜV Rheinland Flicker-free Certified, TÜV Low Blue Light, Refresh rate 120 Hz, Variable refresh rate 1 Hz, Touch sampling rate 300 Hz, Peak brightness - 3200 cd/m², 8000000:1 contrast ratio, Always-On Display, TÜV Rheinland Eye Comfort Certification, HDR10+, DC dimming, 12 Bits panel (10-bit +2-bit FRC), Dolby Vision, Scratch resistant, Dragontrail Pro glass, Corning Gorilla Glass Victus 2, Xiaomi Longjing Glass, Capacitive, Multi-touch, Frameless, LTPO (Low Temperature PolySilicon oxide)

Performance

Chipset
MediaTek Helio G85 (MT6769V/CZ)
Qualcomm Snapdragon 8 Elite
CPU
2x Cortex A75 2.0 GHz + 6x Cortex A55 1.8 GHz
2x4.32 GHz Oryon V2 Phoenix L+ 6x3.53 GHz Oryon V2 Phoenix M
CPU type
Octa-Core
Octa-Core
Process
12 nm
3 nm
Frequency
2 GHz
4.32 GHz
GPU
Arm Mali-G52 MC2 950MHz
Adreno 830
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/ 1.6
Flash
LED
Dual LED
Optical stabilization
No
Yes
Slow motion
No, 30 fps
Yes, 1920 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
Tracking AF, Flicker sensor, Noise reduction, Time-Lapse, 4K Video, 8K Video, Digital zoom, Optical zoom, Quadruple camera, Digital image stabilization, Optical Stabilization (OIS), Ultra stable video, Autofocus, Touch focus, Continuous autofocus, Manual focus, Phase detection autofocus (PDAF), Laser autofocus (LAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, Night Mode, RAW 14 bits
Sensor
Sony LYT-900
Pixel size
1.60 µm
Sensor size
1"

Front camera

Resolution
16 Mpx
32 Mpx
Aperture
ƒ/ 2.45
ƒ/ 2.0
Sensor
Sony IMX471 Exmor RS
Omnivision OV32B
Pixel size
1.00 µm
0.70 µm

Battery

Capacity
5000 mAh
5410 mAh
Type
Li-Polymer
Si-Carbon Li-Ion
Fast charge
Yes , 18.0W
Yes , 90.0W
Charge cycles
1000 cycles
1000 cycles
Runtime
~ 47h
~ 59h
Features
Non-removable
Wireless charging, Reverse charging, Non-removable
Wireless charging
80W wireless charging, 10W reverse charging

Storage

Capacity
256 GB
512 GB
SD slot
Yes , Independent SD slot
No
Type
UFS Storage 4.1

Body

Dimensions
77.0 mm 166.9 mm 8.6 mm Print 3D Model
75.3 mm 161.3 mm 9.4 mm Print 3D Model
Weight
201 g
226 g
Materials
Polycarbonate
Aluminium alloy , Ceramics , Titanium
Colors
Black Cyan
Black White Silver
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
84 %
90 %
Water/dust resistance
IP68, IP69

Software

Operating system
Android 14 Upside-down cake Android 14
Android 15 HyperOS 2.X (Android 15)
Google services
With Google Mobile Services
With Google Mobile Services
Updates
OS updates: 4 years, Security updates: 7 years

Connectivity

SIM
Dual SIM Dual Standby (Nano SIM + Nano SIM)
Dual SIM Dual Standby (Nano SIM + Nano SIM / eSIM)
Bluetooth
Bluetooth 5.0 LELow energy consumption
Bluetooth 6.0 LELow energy consumption
Bluetooth profiles
A2DP (Advanced Audio Distribution Profile), LE (Low Energy)
A2DP (Advanced Audio Distribution Profile), LE (Low Energy), OBEX (OBject EXchange), APT-x, LDAC, SBC, AAC, Apt-x Adaptive
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) , WiFi 7 (802.11be)
Wi-Fi features
Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display
Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, Wi-Fi MiMO
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, GPS (L1+L5), GLONASS (L1), BeiDou (B1), Galileo (E1+E5a), BeiDou (B2), NavIC System, QZSS (L1 + L5)

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), B32 (1500), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500), B42 (TDD 3500), B48 (TDD 3600), B66 (1700/2100), B71 (600)
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)
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), n26 (850), n28b (700), n28a (700), n38 (2600), n40 (2300), n41 (2500), n48 (3500), n66 (1700), n71 (600), n75 (1500), n77 (3700), n78 (3500), n79 (4700), n84 (2100)

Sensors & security

Fingerprint
Yes, on the side
Yes, in screen
Accelerometer
Yes
Yes
Proximity
Yes
Yes
Light sensor
Yes
Yes
Cooling system
No
Yes
Gyroscope
Yes
Barometer
Yes
Audio
Dolby Atmos, Hi-Res Audio, Stereo Speakers, 4 microphones

Compared with fossibot S2

  • fossibot
    S2
    8 GB · 6.72" · MediaTek Helio G85 (MT6769V/CZ)
    fossibot S2
    fossibot F113
    fossibot
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  • fossibot
    S2
    8 GB · 6.72" · MediaTek Helio G85 (MT6769V/CZ)
    fossibot S2
    fossibot S3 Pro
    fossibot
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  • fossibot
    S2
    8 GB · 6.72" · MediaTek Helio G85 (MT6769V/CZ)
    fossibot S2
    fossibot F102
    fossibot
    F102
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  • fossibot
    S2
    8 GB · 6.72" · MediaTek Helio G85 (MT6769V/CZ)
    fossibot S2
    Apple iPhone 17
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  • fossibot
    S2
    8 GB · 6.72" · MediaTek Helio G85 (MT6769V/CZ)
    fossibot S2
    Apple iPhone 16e
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    8 GB · 6.1" · Apple A18 e
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  • fossibot
    S2
    8 GB · 6.72" · MediaTek Helio G85 (MT6769V/CZ)
    fossibot S2
    Asus Rog Phone 8
    Asus
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  • fossibot
    S2
    8 GB · 6.72" · MediaTek Helio G85 (MT6769V/CZ)
    fossibot S2
    Asus Zenfone 11 Ultra
    Asus
    Zenfone 11 Ultra
    12 GB · 6.78" · Qualcomm Snapdragon 8 Gen3
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  • fossibot
    S2
    8 GB · 6.72" · MediaTek Helio G85 (MT6769V/CZ)
    fossibot S2
    Blackview BV9300
    Blackview
    BV9300
    12 GB · 6.7" · MediaTek Helio G99 (MT6789)
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  • fossibot
    S2
    8 GB · 6.72" · MediaTek Helio G85 (MT6769V/CZ)
    fossibot S2
    agm H5
    agm
    H5
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Compared with Xiaomi 15 Ultra

  • Xiaomi
    15 Ultra
    16 GB · 6.73" · Qualcomm Snapdragon 8 Elite
    Xiaomi 15 Ultra
    Xiaomi Redmi 15C 5G IN
    Xiaomi
    Redmi 15C 5G IN
    4 GB · 6.9" · MediaTek Dimensity 6300
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  • Xiaomi
    15 Ultra
    16 GB · 6.73" · Qualcomm Snapdragon 8 Elite
    Xiaomi 15 Ultra
    Xiaomi POCO C75 5G
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  • Xiaomi
    15 Ultra
    16 GB · 6.73" · Qualcomm Snapdragon 8 Elite
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    Xiaomi Redmi 13R 5G
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    8 GB · 6.74" · MediaTek Dimensity 6100+
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  • Xiaomi
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    16 GB · 6.73" · Qualcomm Snapdragon 8 Elite
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    Blackview Rock 2 5G
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  • Xiaomi
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    16 GB · 6.73" · Qualcomm Snapdragon 8 Elite
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    Blackview OSCAL TANK 1
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  • Xiaomi
    15 Ultra
    16 GB · 6.73" · Qualcomm Snapdragon 8 Elite
    Xiaomi 15 Ultra
    Apple iPhone 16 Pro
    Apple
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    8 GB · 6.3" · Apple A18 Pro
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  • Xiaomi
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    16 GB · 6.73" · Qualcomm Snapdragon 8 Elite
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    Asus Rog Phone 8
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  • Xiaomi
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    16 GB · 6.73" · Qualcomm Snapdragon 8 Elite
    Xiaomi 15 Ultra
    Blackview Shark 8
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  • Xiaomi
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    16 GB · 6.73" · Qualcomm Snapdragon 8 Elite
    Xiaomi 15 Ultra
    Blackview BV9300
    Blackview
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    12 GB · 6.7" · MediaTek Helio G99 (MT6789)
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