Oppo K13x 5G vs Unihertz 8849 Tank 4 Pro

At a glance

Brand: Oppo; Unihertz
Release date: February 2026, 4 months ago; July 2025, 11 months ago
AnTuTu: 415.000 Antutu v10 Overall performance better than 68% of devices; 1.526.000 Antutu v10 Overall performance better than 91% of devices

Size: 6.67"; 6.73"
Resolution: 720 x 1604 px HD+; 1440 x 3200 px WQHD+
Type: LCD IPS; AMOLED
Density: 264 ppi Medium Density; 521 ppi Very high density
Aspect ratio: 20:9; 21:9
Features: Hole-punch Notch, Refresh rate 120 Hz, Brightnes 800 cd/m² (typ), Max brightness HBM - 1000 cd/m², DCI-P3, sRGB standard, 2.5D curved 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: 8 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
Flash: LED; Dual LED
Optical stabilization: No; No
Slow motion: Yes, 120 fps; No, 30 fps
Features: Digital zoom, Dual camera, Autofocus, Touch focus, Phase detection autofocus (PDAF), Continuous shooting, Geotagging, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, Front Flash; 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: —; Samsung GN1
Pixel size: —; 1.00 µm
Sensor size: —; 1/1.31"

Dimensions: 76.2 mm 165.7 mm 7.9 mm Print 3D Model; 87.0 mm 174.9 mm 22.5 mm Print 3D Model
Weight: 194 g; 530 g
Materials: Plastic , Splash resistant design; Polycarbonate
Colors: Black Cyan Rose Gold; Black
Water/dust resistance: IP64; 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 ColorOS 16 (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 5.4 LELow energy consumption; Bluetooth 5.4 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), LE (Low Energy), APT-x, SBC, AAC; 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: 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), n28a (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), B8 (900); B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B6 (800), B8 (900), B19 (800)
2G: B3 (1800), B8 (900); CDMA BC0 (800), CDMA BC1 (1900), B2 (1900), B3 (1800), B5 (850), B8 (900)