realme Narzo 90x vs Unihertz 8849 Tank X

At a glance

Brand: realme; Unihertz
Release date: January 2026, 4 months ago; February 2026, 3 months ago
AnTuTu: 454.000 Antutu v11 Overall performance better than 71% of devices; 885.456 Antutu v10 Overall performance better than 83% of devices

Size: 6.57"; 6.78"
Resolution: 720 x 1570 px HD+; 1080 x 2460 px FHD+
Type: AMOLED; LCD IPS
Density: 391 ppi High Density; 396 ppi 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, Peak brightness - 750 cd/m², Scratch resistant, Capacitive, Multi-touch, In-cell

Chipset: MediaTek Dimensity 6300; MediaTek Dimensity 8200 (MT6896)
CPU: 2x2.4 GHz ARM Cortex A76 +6x2.0 GHz ARM Cortex A55; 1x Cortex A78 3.1 GHz + 3x Cortex A78 3.0 GHz + 4x Cortex A55 2.0 GHz
CPU type: Octa-Core; Octa-Core
Process: 6 nm; 4 nm
Frequency: 2.4 GHz; 3.1 GHz
GPU: Arm Mali-G57 MC2; Arm Mali-G610 MC6
RAM: 6 GB; 16 GB
RAM type: LPDDR4X RAM; RAM LPDDR5
64-bit: Yes; Yes

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: —; Sony IMX766
Pixel size: —; 1.00 µm
Sensor size: —; 1/1.56"

Dimensions: 77.9 mm 166.1 mm 8.3 mm Print 3D Model; 86.0 mm 179.0 mm 25.0 mm Print 3D Model
Weight: 212 g; 750 g
Materials: Leather; Polycarbonate
Colors: Black Blue; Black
Water/dust resistance: IP68, IP69 , MIL-STD-810H; IP68, MIL-STD-810H
Usable surface: 89 %; 71 %

Operating system: Android 15 RealmeUI 6.0 (Android 15); Android 15 Android 15
Google services: With Google Mobile Services; With Google Mobile Services

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 5.3 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

5G: n1 (2100), n3 (1800), n5 (850), n8 (900), n28b (700), n40 (2300), n41 (2500), n77 (3700), n78 (3500); n1 (2100), n2 (1900 PCS), n12 (700), n20 (800), n25 (1900), n28b (700), n28a (700)
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)

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