realme C71 4G vs Unihertz 8849 Tank X

At a glance

Brand: realme; Unihertz
Release date: January 2026, 4 months ago; February 2026, 3 months ago
AnTuTu: 292.000 Antutu v10 Overall performance better than 61% of devices; 885.456 Antutu v10 Overall performance better than 83% of devices

Size: 6.74"; 6.78"
Resolution: 720 x 1600 px HD+; 1080 x 2460 px FHD+
Type: LCD IPS; LCD IPS
Density: 260 ppi Medium Density; 396 ppi High Density
Aspect ratio: 20:9; 21:9
Features: Water Drop Notch, TUV Rheinland Low Blue Light, Refresh rate 90 Hz, Touch sampling rate 180 Hz, Brightnes 400 cd/m² (typ), 560 cd/m² peak brightness, Scratch resistant, 2.5D curved glass screen, Panda glass, 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: Unisoc Tiger T615 (T7250); MediaTek Dimensity 8200 (MT6896)
CPU: 2 x ARM Cortex A75 1.8Ghz + 6 x ARM Cortex A55 1.6Ghz; 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: 12 nm; 4 nm
Frequency: 1.8 GHz; 3.1 GHz
GPU: Mali-G57 MP1; Arm Mali-G610 MC6
RAM: 4 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: No; No
Slow motion: No, 30 fps; No, 30 fps
Features: Digital zoom, Dual camera, Digital image stabilization, Autofocus, Touch focus, Phase detection autofocus (PDAF), 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: —; Sony IMX766
Pixel size: —; 1.00 µm
Sensor size: —; 1/1.56"

Dimensions: 76.6 mm 167.2 mm 7.9 mm Print 3D Model; 86.0 mm 179.0 mm 25.0 mm Print 3D Model
Weight: 200 g; 750 g
Materials: Plastic; Polycarbonate
Colors: Black Blue; Black
Water/dust resistance: IP54 , MIL-STD-810H; IP68, MIL-STD-810H
Usable surface: 85 %; 71 %

Operating system: Android 14 Upside-down cake RealmeUI 5.0 (Android 14); 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 5.4 LELow energy consumption; Bluetooth 5.3 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), HID (Human Interface Profile), LE (Low Energy); 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; 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 Hotspot, Wi-Fi Direct, Wi-Fi Display
USB features: Charging, OTG; Charging, OTG
Navigation: GPS, A-GPS, GLONASS, Galileo; GPS, A-GPS, GLONASS, Beidou, Galileo
USB: —; USB Type-C

4G LTE: 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); 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: 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), n12 (700), n20 (800), n25 (1900), n28b (700), n28a (700)