realme 15x 5G vs Unihertz 8849 Tank 4

At a glance

Brand: realme; Unihertz
Release date: October 2025, 8 months ago; October 2025, 8 months ago
AnTuTu: 409.000 Antutu v10 Overall performance better than 67% of devices; 711.190 Antutu v10 Overall performance better than 78% of devices

Size: 6.8"; 6.78"
Resolution: 720 x 1570 px HD+; 1200 x 2650 px QHD
Type: AMOLED; AMOLED
Density: 254 ppi Medium Density; 429 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 7300 Ultra
CPU: 2x2.4 GHz ARM Cortex A76 +6x2.0 GHz ARM Cortex A55; 4xCortex A78 2.5GHz + 4xCortex A55 2.0GHz
CPU type: Octa-Core; Octa-Core
Process: 6 nm; 4 nm
Frequency: 2.4 GHz; 2.5 GHz
GPU: Arm Mali-G57 MC2; Mali-G615 MC2
RAM: 6 GB; 12 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; 85.4 mm 174.3 mm 23.9 mm Print 3D Model
Weight: 212 g; 538 g
Materials: Plastic; Polycarbonate
Colors: Blue Red Cyan; Black
Water/dust resistance: IP69; IP68, MIL-STD-810H
Usable surface: 87 %; 75 %
Drop resistance: —; Class A B C D E 90 drops without defects
Repairability: —; Class A B C D E

Operating system: Android 16 RealmeUI 7.0 (Android 16); 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), 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