Unihertz 8849 Tank 4 vs Xiaomi Redmi Note 15 5G SE

Unihertz
8849 Tank 4

Xiaomi
Redmi Note 15 5G SE
At a glance
- Brand
- Unihertz
- Xiaomi
- Release date
- October 2025, 8 months ago
- March 2026, 3 months ago
- AnTuTu
- 711.190 Antutu v10 Overall performance better than 78% of devices
- 550.000 Antutu v10 Overall performance better than 74% of devices
Display
- Size
- 6.78"
- 6.77"
- Resolution
- 1200 x 2650 px QHD
- 1080 x 2392 px FHD+
- Type
- AMOLED
- AMOLED
- Density
- 429 ppi Very high density
- 405 ppi Very high density
- Aspect ratio
- 21:9
- 20:9
- Features
- Hole-punch Notch, Youji Glass - 1.1 mm, Refresh rate 120 Hz, Scratch resistant, Capacitive, Multi-touch, In-cell
- Hole-punch Notch, SGS Certified, 1920 Hz PWM, TUV Rheinland Low Blue Light, TÜV Rheinland Full Care Display 3.0 Cer, 3840 Hz PWM, Refresh rate 120 Hz, Touch sampling rate 240 Hz, Max brightness HBM - 1200 cd/m², Peak brightness - 3200 cd/m², 5000000:1 contrast ratio, TÜV Rheinland Eye Comfort Certification, HDR10+, DCI-P3, 12 Bits panel (10-bit +2-bit FRC), Scratch resistant, Dual Edge display, Corning Gorilla Glass 5, Dragontrail Pro glass, Capacitive, Multi-touch, Frameless
Performance
- Chipset
- MediaTek Dimensity 7300 Ultra
- Qualcomm Snapdragon 6 Gen 3
- CPU
- 4xCortex A78 2.5GHz + 4xCortex A55 2.0GHz
- 4x2.4GHz Cortex A78 + 4x1.8GHz Cortex A55
- CPU type
- Octa-Core
- Octa-Core
- Process
- 4 nm
- 4 nm
- Frequency
- 2.5 GHz
- 2.4 GHz
- GPU
- Mali-G615 MC2
- Adreno 710
- RAM
- 12 GB
- 6 GB
- RAM type
- RAM LPDDR5X
- LPDDR4X RAM
- 64-bit
- Yes
- Yes
Rear camera
- Resolution
- 50 Mpx
- 50 Mpx
- Aperture
- ƒ/ 1.88
- ƒ/ 1.8
- Sensor
- Samsung GN1
- Omnivision OV50D40 Light Hunter 400
- Pixel size
- 1.00 µm
- 0.61 µm
- Sensor size
- 1/1.31"
- 1/2.88"
- Flash
- Dual LED
- LED
- Optical stabilization
- No
- No
- Slow motion
- No, 30 fps
- Yes, 120 fps
- Features
- 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
- 4K Video, Digital zoom, Triple camera, Digital image stabilization, Ultra stable video, Autofocus, Touch focus, Manual focus, Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, RAW, Front Flash, Night Mode
Front camera
- Resolution
- 32 Mpx
- 20 Mpx
- Aperture
- ƒ/ 2.25
- ƒ/ 2.2
- Sensor
- Samsung S5KGD1
- —
- Pixel size
- 0.80 µm
- —
Battery
- Capacity
- 11600 mAh
- 5800 mAh
- Type
- Li-Polymer
- Li-Polymer
- Fast charge
- Yes , 66.0W
- Yes , 45.0W
- Charge cycles
- 1000 cycles
- —
- Runtime
- ~ 105h
- —
- Features
- Non-removable
- Reverse charging, Non-removable
Storage
- Capacity
- 512 GB
- 128 GB
- Type
- UFS Storage 4.0
- UFS Storage 2.2
- SD slot
- Yes , Independent SD slot
- No
Body
- Dimensions
- 85.4 mm 174.3 mm 23.9 mm Print 3D Model
- 75.4 mm 164.0 mm 7.4 mm Print 3D Model
- Weight
- 538 g
- 178 g
- Materials
- Polycarbonate
- Plastic
- Colors
- Black
- Black White Red
- Water/dust resistance
- IP68, MIL-STD-810H
- IP65 , Splash resistant , IP66
- Drop resistance
- Class A B C D E 90 drops without defects
- —
- Repairability
- Class A B C D E
- —
- Usable surface
- 75 %
- 87 %
Software
- Operating system
- Android 15 Android 15
- Android 15 HyperOS 3.X (Android 15)
- Google services
- With Google Mobile Services
- With Google Mobile Services
- Updates
- —
- OS updates: 6 years, Security updates: 4 years
Connectivity
- SIM
- Dual SIM Dual Standby (Nano SIM + Nano SIM)
- Dual SIM Dual Standby (Nano SIM + Nano SIM)
- Bluetooth
- Bluetooth 5.3 LELow energy consumption
- Bluetooth 5.4 LELow energy consumption
- Bluetooth profiles
- A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), LE (Low Energy), HS
- A2DP (Advanced Audio Distribution Profile), LE (Low Energy), LDAC, AAC
- 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
- Wi-Fi features
- 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, Galileo, GPS (L1+L5), BeiDou (B1)
Networks
- 5G
- 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)
- n1 (2100), n3 (1800), n5 (850), n8 (900), n28b (700), n40 (2300), 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), B34 (TDD 2100), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500), B66 (1700/2100)
- B1 (2100), B3 (1800), B5 (850), B8 (900), B28b (700), 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
- CDMA BC0 (800), CDMA BC1 (1900), B2 (1900), B3 (1800), B5 (850), B8 (900)
- B3 (1800), B5 (850), B8 (900)
Sensors & security
- Fingerprint
- Yes, on the side
- Yes, in screen
- Accelerometer
- Yes
- Yes
- Gyroscope
- Yes
- —
- Proximity
- Yes
- —
- Light sensor
- Yes
- Yes
- Barometer
- Yes
- —
- Compass
- Yes
- —
- Cooling system
- No
- Yes
- Audio
- Noise cancellation microphone, 2 microphones
- Dolby Atmos, Hi-Res Audio, Stereo Speakers

















