Unihertz 8849 Tank X vs Xiaomi Redmi 15C

At a glance

Brand: Unihertz; Xiaomi
Release date: February 2026, 4 months ago; September 2025, 9 months ago
AnTuTu: 885.456 Antutu v10 Overall performance better than 83% of devices; 262.000 Antutu v10 Overall performance better than 60% of devices

Size: 6.78"; 6.9"
Resolution: 1080 x 2460 px FHD+; 720 x 1600 px HD+
Type: LCD IPS; LCD IPS
Density: 396 ppi High Density; 260 ppi Medium Density
Aspect ratio: 21:9; 21:9
Features: Hole-punch Notch, Youji Glass - 1.1 mm, Refresh rate 120 Hz, Peak brightness - 750 cd/m², Scratch resistant, Capacitive, Multi-touch, In-cell; Water Drop Notch, TÜV Rheinland Flicker-free Certified, Refresh rate 120 Hz, Touch sampling rate 240 Hz, Brightnes 600 cd/m² (typ), Brightnes 450 cd/m² (typ), Brightnes 800 cd/m² (typ), 1500:1 contrast ratio, 1200:1 contrast ratio, TÜV Rheinland Eye Comfort Certification, DC dimming, 70% NTSC, Scratch resistant, 2.5D curved glass screen, Capacitive, Multi-touch, Frameless

Chipset: MediaTek Dimensity 8200 (MT6896); MediaTek Helio G81 Ultra
CPU: 1x Cortex A78 3.1 GHz + 3x Cortex A78 3.0 GHz + 4x Cortex A55 2.0 GHz; 2x Cortex A75 2.0 GHz + 6x Cortex A55 1.8 GHz
CPU type: Octa-Core; Octa-Core
Process: 4 nm; 12 nm
Frequency: 3.1 GHz; 2 GHz
GPU: Arm Mali-G610 MC6; Mali-G52 MC2
RAM: 16 GB; 4 GB
RAM type: RAM LPDDR5; LPDDR4X RAM
64-bit: Yes; Yes

Resolution: 50 Mpx; 50 Mpx
Aperture: ƒ/ 1.88; ƒ/ 1.8
Sensor: Sony IMX766; Samsung S5KJNS
Pixel size: 1.00 µm; 0.64 µm
Sensor size: 1/1.56"; 1/2.76"
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; Digital zoom, Dual camera, Digital image stabilization, Autofocus, Touch focus, Geotagging, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer

Dimensions: 86.0 mm 179.0 mm 25.0 mm Print 3D Model; 79.5 mm 171.6 mm 8.0 mm Print 3D Model
Weight: 750 g; 205 g
Materials: Polycarbonate; Plastic , Glass
Colors: Black; Black Blue Purple Green Orange
Water/dust resistance: IP68, MIL-STD-810H; IP64
Usable surface: 71 %; 84 %
Drop resistance: —; Class A B C D E 270 drops without defects
Repairability: —; Class A B C D E

Operating system: Android 15 Android 15; Android 16 HyperOS 3.X (Android 16)
Google services: With Google Mobile Services; With Google Mobile Services
Updates: —; OS updates: 5 years

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), EDR (Enhanced Data Rate), HID (Human Interface Profile), LE (Low Energy), LDAC, SBC, 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; 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

5G: n1 (2100), n2 (1900 PCS), n12 (700), n20 (800), n25 (1900), n28b (700), n28a (700); —
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), B7 (2600), B8 (900), B20 (800), B28b (700), B28a (700), B38 (TDD 2600), 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); B2 (1900), B3 (1800), B5 (850), B8 (900)

Fingerprint: Yes, on the side; Yes, on the side
Accelerometer: Yes; Yes
Gyroscope: Yes; —
Proximity: Yes; —
Light sensor: Yes; Yes
Barometer: Yes; —
Compass: Yes; —
Cooling system: No; No
Audio: Noise cancellation microphone, 2 microphones; Noise cancellation microphone