Xiaomi 15 Ultra vs Xiaomi Redmi 15 4G

Xiaomi
15 Ultra

Xiaomi
Redmi 15 4G
At a glance
- Brand
- Xiaomi
- Xiaomi
- Release date
- February 2025, 1 years 3 months ago
- August 2025, 9 months ago
- Launch price
- € 1,499.00 ($ 1,754.98)
- —
- AnTuTu
- 2.966.580 Antutu v11 Overall performance better than 98% of devices
- 338.000 Antutu v10 Overall performance better than 63% of devices
Display
- Size
- 6.73"
- 6.9"
- Resolution
- 1440 x 3200 px WQHD+
- 1080 x 2340 px FHD+
- Type
- AMOLED
- LCD IPS
- Density
- 521 ppi Very high density
- 374 ppi High Density
- Aspect ratio
- 20:9
- 20:9
- Features
- 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)
- Hole-punch Notch, TUV Rheinland Low Blue Light, TÜV Rheinland Flicker-free Certified, Refresh rate 144 Hz, Brightnes 700 cd/m² (typ), TÜV Rheinland Eye Comfort Certification, DCI-P3, Scratch resistant, Capacitive, Multi-touch, Frameless
Performance
- Chipset
- Qualcomm Snapdragon 8 Elite
- Qualcomm Snapdragon 685 (SM6225)
- CPU
- 2x4.32 GHz Oryon V2 Phoenix L+ 6x3.53 GHz Oryon V2 Phoenix M
- 4x2.8 GHz Cortex A73 + 4x1.9GHz Cortex A53
- CPU type
- Octa-Core
- Octa-Core
- Process
- 3 nm
- 6 nm
- Frequency
- 4.32 GHz
- 2.8 GHz
- GPU
- Adreno 830
- Adreno 610
- RAM
- 16 GB
- 6 GB
- RAM type
- RAM LPDDR5X
- LPDDR4X RAM
- 64-bit
- Yes
- Yes
Rear camera
- Resolution
- 50 Mpx
- 50 Mpx
- Aperture
- ƒ/ 1.6
- ƒ/ 1.8
- Sensor
- Sony LYT-900
- —
- Pixel size
- 1.60 µm
- —
- Sensor size
- 1"
- —
- Flash
- Dual LED
- LED
- Optical stabilization
- Yes
- No
- Slow motion
- Yes, 1920 fps
- Yes, 60 fps
- Features
- 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
- Digital zoom, Triple camera, Digital image stabilization, Autofocus, Touch focus, Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer
Front camera
- Resolution
- 32 Mpx
- 8 Mpx
- Aperture
- ƒ/ 2.0
- ƒ/ 2.0
- Sensor
- Omnivision OV32B
- —
- Pixel size
- 0.70 µm
- —
Battery
- Capacity
- 5410 mAh
- 7000 mAh
- Type
- Si-Carbon Li-Ion
- Li-Polymer
- Fast charge
- Yes , 90.0W
- Yes , 33.0W
- Wireless charging
- 80W wireless charging, 10W reverse charging
- —
- Charge cycles
- 1000 cycles
- 1000 cycles
- Runtime
- ~ 59h
- ~ 62h
- Features
- Wireless charging, Reverse charging, Non-removable
- Non-removable
Storage
- Capacity
- 512 GB
- 128 GB
- Type
- UFS Storage 4.1
- UFS Storage 2.2
- SD slot
- No
- Yes , Slot for SD or second SIM card
Body
- Dimensions
- 75.3 mm 161.3 mm 9.4 mm Print 3D Model
- 82.1 mm 171.1 mm 8.0 mm Print 3D Model
- Weight
- 226 g
- 224 g
- Materials
- Aluminium alloy , Ceramics , Titanium
- Plastic
- Colors
- Black White Silver
- Black Silver Violet
- Water/dust resistance
- IP68, IP69
- IP64
- Drop resistance
- Class A B C D E 90 drops without defects
- Class A B C D E 270 drops without defects
- Repairability
- Class A B C D E
- Class A B C D E
- Usable surface
- 90 %
- 83 %
Software
- Operating system
- Android 15 HyperOS 2.X (Android 15)
- Android 16 HyperOS 3.X (Android 16)
- Updates
- OS updates: 4 years, Security updates: 7 years
- OS updates: 5 years
- Google services
- With Google Mobile Services
- With Google Mobile Services
Connectivity
- SIM
- Dual SIM Dual Standby (Nano SIM + Nano SIM / eSIM)
- Dual SIM Dual Standby (Nano SIM + Nano SIM)
- Bluetooth
- Bluetooth 6.0 LELow energy consumption
- Bluetooth 5.1 LELow energy consumption
- Bluetooth profiles
- A2DP (Advanced Audio Distribution Profile), LE (Low Energy), OBEX (OBject EXchange), APT-x, LDAC, SBC, AAC, Apt-x Adaptive
- A2DP (Advanced Audio Distribution Profile), LE (Low Energy), APT-x, LDAC, SBC, AAC
- Wi-Fi
- 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac, WiFi 6 (802.11ax) , WiFi 7 (802.11be)
- 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac
- Wi-Fi features
- Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, Wi-Fi MiMO
- Dual band, 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, GPS (L1+L5), GLONASS (L1), BeiDou (B1), Galileo (E1+E5a), BeiDou (B2), NavIC System, QZSS (L1 + L5)
- GPS, A-GPS, GLONASS, Beidou, Galileo
Networks
- 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)
- —
- 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), 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)
- B1 (2100), B3 (1800), B5 (850), B7 (2600), B8 (900), B20 (800), B28b (700), B28a (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500)
- 3G
- B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B6 (800), B8 (900), B19 (800)
- B1 (2100), B5 (850), B8 (900)
- 2G
- B2 (1900), B3 (1800), B5 (850), B8 (900)
- B2 (1900), B3 (1800), B5 (850), B8 (900)
Sensors & security
- Fingerprint
- Yes, in screen
- Yes, on the side
- Accelerometer
- Yes
- Yes
- Gyroscope
- Yes
- Yes
- Proximity
- Yes
- —
- Light sensor
- Yes
- Yes
- Barometer
- Yes
- —
- Cooling system
- Yes
- Yes
- Audio
- Dolby Atmos, Hi-Res Audio, Stereo Speakers, 4 microphones
- Dolby Atmos














