Unihertz 8849 Tank 4 vs Xiaomi Redmi 12R

At a glance

Brand: Unihertz; Xiaomi
Release date: October 2025, 8 months ago; August 2023, 2 years 10 months ago
AnTuTu: 711.190 Antutu v10 Overall performance better than 78% of devices; 456.552 Antutu v10 Overall performance better than 71% of devices

Size: 6.78"; 6.79"
Resolution: 1200 x 2650 px QHD; 1080 x 2460 px FHD+
Type: AMOLED; LCD IPS
Density: 429 ppi Very high density; 396 ppi High Density
Aspect ratio: 21:9; 21:9
Features: Hole-punch Notch, Youji Glass - 1.1 mm, Refresh rate 120 Hz, Scratch resistant, Capacitive, Multi-touch, In-cell; Hole-punch Notch, SGS Certified, Refresh rate 90 Hz, Touch sampling rate 240 Hz, Max brightness HBM - 550 cd/m², 1500:1 contrast ratio, Scratch resistant, Corning Gorilla Glass 3, 2.5D curved glass screen, Capacitive, Frameless

Chipset: MediaTek Dimensity 7300 Ultra; Qualcomm Snapdragon 4 Gen 2 (SM4450)
CPU: 4xCortex A78 2.5GHz + 4xCortex A55 2.0GHz; 2x2.2 GHz Cortex A76 +6x 2.0 GHz Cortex A55
CPU type: Octa-Core; Octa-Core
Process: 4 nm; 4 nm
Frequency: 2.5 GHz; 2.2 GHz
GPU: Mali-G615 MC2; Qualcomm Adreno
RAM: 12 GB; 4 GB
RAM type: RAM LPDDR5X; LPDDR4X RAM
64-bit: Yes; Yes

Resolution: 50 Mpx; 50 Mpx
Aperture: ƒ/ 1.88; ƒ/ 1.8
Sensor: Samsung GN1; —
Pixel size: 1.00 µm; —
Sensor size: 1/1.31"; —
Flash: Dual LED; LED
Optical stabilization: No; Yes
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, Optical Stabilization (OIS), Autofocus, Touch focus, Phase detection autofocus (PDAF), Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer

Dimensions: 85.4 mm 174.3 mm 23.9 mm Print 3D Model; 76.3 mm 168.6 mm 8.2 mm Print 3D Model
Weight: 538 g; 199 g
Materials: Polycarbonate; Plastic , Glass
Colors: Black; Black Green
Water/dust resistance: IP68, MIL-STD-810H; IP53
Drop resistance: Class A B C D E 90 drops without defects; —
Repairability: Class A B C D E; —
Usable surface: 75 %; 85 %

Operating system: Android 15 Android 15; Android 13 Tiramisu MIUI 14 (Android 13)
Google services: With Google Mobile Services; Without Google Mobile services
Updates: —; OS updates: 2 years, Security updates: 2 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 5.0 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)
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; Dual band, 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), 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); n1 (2100), n5 (850), n8 (900), n28a (700), n41 (2500), n78 (3500)
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), B8 (900), B34 (TDD 2100), B38 (TDD 2600), B39 (TDD 1900), 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); CDMA BC0 (800), B3 (1800), B5 (850), B8 (900)