realme 15x 5G vs Unihertz 8849 Tank 4 Pro

At a glance

Brand: realme; Unihertz
Release date: October 2025, 8 months ago; July 2025, 11 months ago
AnTuTu: 409.000 Antutu v10 Overall performance better than 67% of devices; 1.526.000 Antutu v10 Overall performance better than 91% of devices

Size: 6.8"; 6.73"
Resolution: 720 x 1570 px HD+; 1440 x 3200 px WQHD+
Type: AMOLED; AMOLED
Density: 254 ppi Medium Density; 521 ppi Very high density
Aspect ratio: 20:9; 21:9
Features: Hole-punch Notch, Refresh rate 144 Hz, Brightnes 600 cd/m² (typ), Peak brightness - 2000 cd/m², Max brightness HBM - 1200 cd/m², 1500:1 contrast ratio, 6000000:1 contrast ratio, HDR, DCI-P3, 83% NTSC, Scratch resistant, 2.5D 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

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

Resolution: 50 Mpx; 50 Mpx
Aperture: ƒ/ 1.8; ƒ/ 1.88
Sensor: Sony IMX852; Samsung GN1
Flash: LED; Dual LED
Optical stabilization: No; No
Slow motion: No, 30 fps; No, 30 fps
Features: Flicker sensor, 4K Video, Digital zoom, Digital image stabilization, Autofocus, Touch focus, Geotagging, 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
Pixel size: —; 1.00 µm
Sensor size: —; 1/1.31"

Dimensions: 77.9 mm 166.0 mm 8.2 mm Print 3D Model; 87.0 mm 174.9 mm 22.5 mm Print 3D Model
Weight: 212 g; 530 g
Materials: Plastic; Polycarbonate
Colors: Blue Red Cyan; Black
Water/dust resistance: IP69; IP68, MIL-STD-810H
Usable surface: 87 %; 71 %
Drop resistance: —; Class A B C D E 180 drops without defects
Repairability: —; Class A B C D E

Operating system: Android 16 RealmeUI 7.0 (Android 16); Android 13 Tiramisu Android 13
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 5.4 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, WiFi 6 (802.11ax); 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: USB Type-C; USB Type-C
USB features: Charging, OTG; Charging, OTG
Navigation: GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo; 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), 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), B2 (1900), 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
Proximity: Yes; Yes
Light sensor: Yes; Yes
Cooling system: No; No
Audio: Noise cancellation microphone, 2 microphones; Noise cancellation microphone, 2 microphones
Gyroscope: —; Yes
Barometer: —; Yes
Compass: —; Yes