realme Narzo 90x vs Unihertz 8849 Tank 4 Pro

realme
Narzo 90x

Unihertz
8849 Tank 4 Pro
At a glance
- Brand
- realme
- Unihertz
- Release date
- January 2026, 5 months ago
- July 2025, 11 months ago
- AnTuTu
- 454.000 Antutu v11 Overall performance better than 71% of devices
- 1.526.000 Antutu v10 Overall performance better than 91% of devices
Display
- Size
- 6.57"
- 6.73"
- Resolution
- 720 x 1570 px HD+
- 1440 x 3200 px WQHD+
- Type
- AMOLED
- AMOLED
- Density
- 391 ppi High Density
- 521 ppi Very high density
- Aspect ratio
- 20:9
- 21:9
- Features
- Hole-punch Notch, Refresh rate 120 Hz, Refresh rate 144 Hz, Touch sampling rate 180 Hz, Brightnes 600 cd/m² (typ), Brightnes 1000 cd/m² (typ), Max brightness HBM - 1200 cd/m², Max brightness HBM - 1400 cd/m², Peak brightness - 4500 cd/m², 5000000:1 contrast ratio, HDR10+, DCI-P3, 10 Bits panel, Scratch resistant, Dual Edge display, 3D curved glass screen, Capacitive, Multi-touch, Frameless
- Hole-punch Notch, Youji Glass - 1.1 mm, Refresh rate 120 Hz, Scratch resistant, Capacitive, Multi-touch, In-cell
Performance
- Chipset
- MediaTek Dimensity 6300
- MediaTek Dimensity 8300 Ultra
- CPU
- 2x2.4 GHz ARM Cortex A76 +6x2.0 GHz ARM Cortex A55
- 1x cortex A715 3.35GHz+3x cortex A715 3.20GHz+4x cortex A510 2.20 GHz
- CPU type
- Octa-Core
- Octa-Core
- Process
- 6 nm
- 4 nm
- Frequency
- 2.4 GHz
- 3.35 GHz
- GPU
- Arm Mali-G57 MC2
- Mali G615-MC6
- RAM
- 6 GB
- 16 GB
- RAM type
- LPDDR4X RAM
- RAM LPDDR5X
- 64-bit
- Yes
- Yes
Rear camera
- Resolution
- 50 Mpx
- 50 Mpx
- Aperture
- ƒ/ 1.8
- ƒ/ 1.88
- Flash
- LED
- Dual LED
- Optical stabilization
- Yes
- No
- Slow motion
- Yes, 480 fps
- No, 30 fps
- Features
- Time-Lapse, 4K Video, Digital zoom, Digital image stabilization, Optical Stabilization (OIS), Autofocus, Touch focus, Continuous autofocus, Manual focus, Phase detection autofocus (PDAF), Dual PDAF, Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, Dual capture, Night Mode
- 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
- 7000 mAh
- 11600 mAh
- Type
- Li-Polymer
- Li-Polymer
- Fast charge
- Yes , 60.0W
- Yes , 120.0W
- Features
- Reverse charging, Non-removable
- Non-removable
- Charge cycles
- —
- 1000 cycles
- Runtime
- —
- ~ 105h
Storage
- Capacity
- 128 GB
- 512 GB
- Type
- eMMC 5.1 Storage UFS Storage 2.2
- UFS Storage 4.0
- SD slot
- Yes , Slot for SD or second SIM card
- Yes , Independent SD slot
Body
- Dimensions
- 77.9 mm 166.1 mm 8.3 mm Print 3D Model
- 87.0 mm 174.9 mm 22.5 mm Print 3D Model
- Weight
- 212 g
- 530 g
- Materials
- Leather
- Polycarbonate
- Colors
- Black Blue
- Black
- Water/dust resistance
- IP68, IP69 , MIL-STD-810H
- IP68, MIL-STD-810H
- Usable surface
- 89 %
- 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 RealmeUI 6.0 (Android 15)
- Android 13 Tiramisu Android 13
- 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 5.3 LELow energy consumption
- Bluetooth 5.4 LELow energy consumption
- Bluetooth profiles
- A2DP (Advanced Audio Distribution Profile), LE (Low Energy), APT-x, LDAC, SBC
- A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), LE (Low Energy), HS
- Wi-Fi
- 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac, WiFi 6 (802.11ax) , WiFi 6E
- 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac, WiFi 6 (802.11ax)
- Wi-Fi features
- Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, Wi-Fi MiMO
- 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, Galileo, GPS (L1+L5), Galileo (E1+E5a)
- GPS, A-GPS, GLONASS, Beidou, Galileo
Networks
- 5G
- n1 (2100), n3 (1800), n5 (850), n8 (900), n28b (700), n40 (2300), n41 (2500), n77 (3700), n78 (3500)
- 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)
- 4G LTE
- B1 (2100), B3 (1800), B5 (850), B8 (900), B28b (700), B40 (TDD 2300), B41 (TDD 2500)
- 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), B5 (850), B8 (900)
- B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B6 (800), B8 (900), B19 (800)
- 2G
- B3 (1800), B5 (850), B8 (900)
- CDMA BC0 (800), CDMA BC1 (1900), 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
- Yes
- Light sensor
- Yes
- Yes
- Compass
- Yes
- Yes
- Cooling system
- Yes
- No
- Audio
- Noise cancellation microphone, Stereo Speakers, 2 microphones
- Noise cancellation microphone, 2 microphones
- Barometer
- —
- Yes















