Ulefone Note 21 vs Xiaomi 15S Pro
Ulefone
Note 21
Xiaomi
15S Pro
At a glance
- Brand
- Ulefone
- Xiaomi
- Release date
- January 2025, 1 years 5 months ago
- May 2025, 1 years 1 months ago
- AnTuTu
- 251.000 Antutu v10 Overall performance better than 59% of devices
- 2.427.655 Antutu v11 Overall performance better than 96% of devices
- Launch price
- —
- CN¥ 5,499.00 ($ 803.35)
Display
- Size
- 6.56"
- 6.73"
- Resolution
- 720 x 1612 px HD+
- 1440 x 3200 px WQHD+
- Type
- LCD IPS
- AMOLED
- Density
- 269 ppi Medium Density
- 521 ppi Very high density
- Aspect ratio
- 20:9
- 20:9
- Features
- Water Drop Notch, Refresh rate 90 Hz, Brightnes 450 cd/m² (typ), 2.5D curved glass screen, 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, Xiaomi Longjing Glass 2, Capacitive, Multi-touch, Frameless, LTPO (Low Temperature PolySilicon oxide)
Performance
- Chipset
- Unisoc Tiger T606
- Xiaomi Xring O1
- CPU
- 2x1.6 GHz Cortex A75 + 6x1.6 GHz Cortex A55
- 2x3.9GHz Arm X925 +4x3.4GHz Arm A725 +2x1.9GHz Arm A725+2x1.8GHz Arm A520
- CPU type
- Octa-Core
- Deca-Core
- Process
- 12 nm
- 3 nm
- Frequency
- 1.6 GHz
- 3.9 GHz
- GPU
- ARM Mali-G57
- Immortals G925 16 cores
- RAM
- 4 GB
- 16 GB
- RAM type
- LPDDR4X RAM
- —
- 64-bit
- Yes
- Yes
Rear camera
- Resolution
- 13 Mpx
- 50 Mpx
- Aperture
- ƒ/ 2.2
- ƒ/ 1.4
- Sensor
- Samsung S5K3L6
- Omnivision OVX9000
- Pixel size
- 1.12 µm
- 1.60 µm
- Sensor size
- 1/3.1"
- 1/1.31"
- Flash
- LED
- Dual LED
- Optical stabilization
- No
- Yes
- Slow motion
- No, 30 fps
- Yes, 960 fps
- Features
- Digital zoom, Dual camera, Digital image stabilization, Autofocus, Touch focus, Continuous shooting, Geotagging, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer
- Tracking AF, Flicker sensor, Noise reduction, Time-Lapse, 4K Video, 8K Video, Digital zoom, Optical zoom, Triple 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
- Unknow
- ƒ/ 2.0
- Sensor
- —
- Omnivision OV32B
- Pixel size
- —
- 0.70 µm
Battery
- Capacity
- 5000 mAh
- 6100 mAh
- Type
- Li-Polymer
- Si-Carbon Li-Ion
- Fast charge
- Yes , 10.0W
- Yes , 90.0W
- Charge cycles
- 1000 cycles
- —
- Runtime
- ~ 47h
- —
- Features
- Non-removable
- Wireless charging, Reverse charging, Non-removable
- Wireless charging
- —
- 50W wireless charging, 10W reverse charging, Pengpai P3 fast charging chip, Pengpai G1 battery management chip
Storage
- Capacity
- 128 GB
- 512 GB
- SD slot
- Yes , Slot for SD or second SIM card
- No
- Type
- —
- UFS Storage 4.1
Body
- Dimensions
- 75.2 mm 163.2 mm 9.2 mm Print 3D Model
- 75.3 mm 161.3 mm 8.3 mm Print 3D Model
- Weight
- 196 g
- 216 g
- Materials
- Plastic
- Aluminium alloy , Glass
- Colors
- Black Violet
- Black Blue
- Drop resistance
- Class A B C D E 113 drops without defects
- —
- Repairability
- Class A B C D E
- —
- Usable surface
- 84 %
- 90 %
- Water/dust resistance
- —
- IP68
Software
- Operating system
- Android 14 Upside-down cake Android 14
- Android 15 HyperOS 2.X (Android 15)
- Google services
- With Google Mobile Services
- Without 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)
- Bluetooth
- Bluetooth 5.0 LELow energy consumption
- Bluetooth 5.4 LELow energy consumption
- Bluetooth profiles
- A2DP (Advanced Audio Distribution Profile), HID (Human Interface 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), 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), B19 (800), B20 (800), B26 (850), B28b (700), B28a (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500), B66 (1700/2100)
- 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), B26 (850), B28b (700), B28a (700), B34 (TDD 2100), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500), B42 (TDD 3500), B48 (TDD 3600), B66 (1700/2100)
- 3G
- B1 (2100), B2 (1900), 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), n26 (850), n28b (700), n28a (700), n38 (2600), n40 (2300), n41 (2500), n48 (3500), n66 (1700), n77 (3700), n78 (3500), n79 (4700), n80 (1800)
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
