fossibot S3 Pro vs Xiaomi 15 Ultra

fossibot S3 Pro
fossibot
S3 Pro
Xiaomi 15 Ultra
Xiaomi
15 Ultra

At a glance

Brand
Fossibot
Xiaomi
Release date
December 2024, 1 years 6 months ago
February 2025, 1 years 4 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
6.67"
6.73"
Resolution
1080 x 2408 px FHD+
1440 x 3200 px WQHD+
Type
AMOLED
AMOLED
Density
401 ppi Very high density
521 ppi Very high density
Aspect ratio
20:9
20:9
Features
Hole-punch Notch, Refresh rate 120 Hz, Brightnes 500 cd/m² (typ), Max brightness HBM - 800 cd/m², 1500:1 contrast ratio, 100000:1 contrast ratio, Scratch resistant, Dual Edge display, 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
6 GB
16 GB
RAM type
LPDDR4X RAM
RAM LPDDR5X
64-bit
Yes
Yes

Rear camera

Resolution
64 Mpx
50 Mpx
Aperture
ƒ/ 1.89
ƒ/ 1.6
Sensor
Sony IMX682 Exmor RS
Sony LYT-900
Pixel size
0.80 µm
1.60 µm
Sensor size
1/1.7"
1"
Flash
LED
Dual LED
Optical stabilization
No
Yes
Slow motion
No, 30 fps
Yes, 1920 fps
Features
Digital zoom, Dual 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

Front camera

Resolution
8 Mpx
32 Mpx
Aperture
ƒ/ 2.0
ƒ/ 2.0
Sensor
Sony IMX219 Exmor RS
Omnivision OV32B
Pixel size
1.12 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
~ 48h
~ 59h
Features
Non-removable
Wireless charging, Reverse charging, Non-removable
Wireless charging
80W wireless charging, 10W reverse charging

Storage

Capacity
128 GB
512 GB
Type
UFS Storage 2.2
UFS Storage 4.1
SD slot
Yes , Slot for SD or second SIM card
No

Body

Dimensions
74.3 mm 162.5 mm 8.6 mm Print 3D Model
75.3 mm 161.3 mm 9.4 mm Print 3D Model
Weight
199 g
226 g
Materials
Polycarbonate , Corning Gorilla Glass
Aluminium alloy , Ceramics , Titanium
Colors
Black Green
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
88 %
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, in screen
Yes, in screen
Accelerometer
Yes
Yes
Gyroscope
Yes
Yes
Proximity
Yes
Yes
Light sensor
Yes
Yes
Compass
Yes
Cooling system
No
Yes
Barometer
Yes
Audio
Dolby Atmos, Hi-Res Audio, Stereo Speakers, 4 microphones

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Compared with Xiaomi 15 Ultra

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