Poco C71 vs Unihertz 8849 Tank 4 Pro

Poco
C71

Unihertz
8849 Tank 4 Pro
At a glance
- Brand
- POCO
- Unihertz
- Release date
- April 2025, 1 years 2 months ago
- July 2025, 11 months ago
- AnTuTu
- 308.681 Antutu v10 Overall performance better than 61% of devices
- 1.526.000 Antutu v10 Overall performance better than 91% of devices
Display
- Size
- 6.88"
- 6.73"
- Resolution
- 720 x 1640 px HD+
- 1440 x 3200 px WQHD+
- Type
- LCD IPS
- AMOLED
- Density
- 255 ppi Medium Density
- 521 ppi Very high density
- Aspect ratio
- 20:9
- 21:9
- Features
- Water Drop Notch, Refresh rate 120 Hz, Brightnes 450 cd/m² (typ), 1500:1 contrast ratio, TÜV Rheinland Eye Comfort Certification, 2.5D curved glass screen, Capacitive, Multi-touch, Frameless, In-cell
- Hole-punch Notch, Youji Glass - 1.1 mm, Refresh rate 120 Hz, Scratch resistant, Capacitive, Multi-touch, In-cell
Performance
- Chipset
- Unisoc Tiger T615 (T7250)
- MediaTek Dimensity 8300 Ultra
- CPU
- 2 x ARM Cortex A75 1.8Ghz + 6 x ARM Cortex A55 1.6Ghz
- 1x cortex A715 3.35GHz+3x cortex A715 3.20GHz+4x cortex A510 2.20 GHz
- CPU type
- Octa-Core
- Octa-Core
- Process
- 12 nm
- 4 nm
- Frequency
- 1.8 GHz
- 3.35 GHz
- GPU
- Mali-G57 MP1
- Mali G615-MC6
- RAM
- 3 GB
- 16 GB
- RAM type
- LPDDR4X RAM
- RAM LPDDR5X
- 64-bit
- Yes
- Yes
Rear camera
- Resolution
- 32 Mpx
- 50 Mpx
- Aperture
- ƒ/ 2.0
- ƒ/ 1.88
- Flash
- LED
- Dual LED
- Optical stabilization
- No
- No
- Slow motion
- No, 30 fps
- No, 30 fps
- Features
- Digital zoom, Dual camera, Autofocus, Touch focus, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer
- 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
- Sensor
- —
- Samsung GN1
- Pixel size
- —
- 1.00 µm
- Sensor size
- —
- 1/1.31"
Front camera
- Resolution
- 8 Mpx
- 50 Mpx
- Aperture
- ƒ/ 2.0
- ƒ/ 2.25
- Sensor
- —
- Hynix Hi-5022Q
- Pixel size
- —
- 0.70 µm
Battery
- Capacity
- 5200 mAh
- 11600 mAh
- Type
- Li-Polymer
- Li-Polymer
- Fast charge
- Yes , 15.0W
- Yes , 120.0W
- Features
- Non-removable
- Non-removable
- Charge cycles
- —
- 1000 cycles
- Runtime
- —
- ~ 105h
Storage
- Capacity
- 64 GB
- 512 GB
- Type
- eMMC 5.1 Storage
- UFS Storage 4.0
- SD slot
- Yes , Independent SD slot
- Yes , Independent SD slot
Body
- Dimensions
- 77.8 mm 171.8 mm 8.3 mm Print 3D Model
- 87.0 mm 174.9 mm 22.5 mm Print 3D Model
- Weight
- 193 g
- 530 g
- Materials
- Plastic
- Polycarbonate
- Colors
- Black Gold Cyan
- Black
- Water/dust resistance
- Splash resistant
- IP68, MIL-STD-810H
- Usable surface
- 85 %
- 71 %
- Drop resistance
- —
- Class A B C D E 180 drops without defects
- Repairability
- —
- Class A B C D E
Software
- Operating system
- Android 15 Android 15
- Android 13 Tiramisu Android 13
- Updates
- OS updates: 2 years
- —
- Google services
- With Google Mobile Services
- With Google Mobile Services
Connectivity
- SIM
- Dual SIM Dual Standby (Nano SIM + Nano SIM)
- Dual SIM Dual Standby (Nano SIM + Nano SIM)
- Bluetooth
- Bluetooth 5.2
- Bluetooth 5.4 LELow energy consumption
- Bluetooth profiles
- A2DP (Advanced Audio Distribution Profile)
- A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), LE (Low Energy), HS
- Wi-Fi
- 802.11a , 802.11b , 802.11g , 802.11n , 802.11ac
- 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac, WiFi 6 (802.11ax)
- Wi-Fi features
- Wi-Fi Hotspot
- 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, Galileo
- GPS, A-GPS, GLONASS, Beidou, Galileo
Networks
- 4G LTE
- B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B18 (800), 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), 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)
- 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)
- CDMA BC0 (800), CDMA BC1 (1900), 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), n28b (700), n28a (700), n38 (2600), n40 (2300), n41 (2500), n66 (1700), n77 (3700), n78 (3500)
Sensors & security
- Fingerprint
- Yes, on the side
- Yes, on the side
- Accelerometer
- Yes
- Yes
- Light sensor
- Yes
- Yes
- Cooling system
- No
- No
- Audio
- DTS / DTS X, Stereo Speakers
- Noise cancellation microphone, 2 microphones
- Gyroscope
- —
- Yes
- Proximity
- —
- Yes
- Barometer
- —
- Yes
- Compass
- —
- Yes

















