Oukitel C66 vs Unihertz 8849 Tank X

At a glance

Brand: Oukitel; Unihertz
Release date: January 2026, 4 months ago; February 2026, 3 months ago
AnTuTu: 308.681 Antutu v10 Overall performance better than 61% of devices; 885.456 Antutu v10 Overall performance better than 83% of devices

Size: 6.73"; 6.78"
Resolution: 720 x 1560 px HD+; 1080 x 2460 px FHD+
Type: LCD IPS; LCD IPS
Density: 255 ppi Medium Density; 396 ppi High Density
Aspect ratio: 21:9; 21:9
Features: Hole-punch Notch, Refresh rate 120 Hz, Brightnes 500 cd/m² (typ), Brightnes 450 cd/m² (typ), 1500:1 contrast ratio, 2.5D curved glass screen, Corning Gorilla Glass 5, Capacitive, Multi-touch, Frameless, In-cell; Hole-punch Notch, Youji Glass - 1.1 mm, Refresh rate 120 Hz, Peak brightness - 750 cd/m², Scratch resistant, Capacitive, Multi-touch, In-cell

Chipset: Unisoc Tiger T615 (T7250); MediaTek Dimensity 8200 (MT6896)
CPU: 2 x ARM Cortex A75 1.8Ghz + 6 x ARM Cortex A55 1.6Ghz; 1x Cortex A78 3.1 GHz + 3x Cortex A78 3.0 GHz + 4x Cortex A55 2.0 GHz
CPU type: Octa-Core; Octa-Core
Process: 12 nm; 4 nm
Frequency: 1.8 GHz; 3.1 GHz
GPU: Mali-G57 MP1; Arm Mali-G610 MC6
RAM: 4 GB; 16 GB
64-bit: Yes; Yes
RAM type: —; RAM LPDDR5

Resolution: 64 Mpx; 50 Mpx
Aperture: ƒ/ 1.8; ƒ/ 1.88
Flash: LED; Dual LED
Optical stabilization: No; No
Slow motion: No, 30 fps; No, 30 fps
Features: Digital zoom, Triple camera, Autofocus, Touch focus, Geotagging, Panorama, 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
Sensor: —; Sony IMX766
Pixel size: —; 1.00 µm
Sensor size: —; 1/1.56"

Dimensions: 78.0 mm 165.0 mm 8.7 mm Print 3D Model; 86.0 mm 179.0 mm 25.0 mm Print 3D Model
Weight: 198 g; 750 g
Materials: Plastic; Polycarbonate
Colors: Black Gold Gray Purple Orange; Black
Usable surface: 87 %; 71 %
Water/dust resistance: —; IP68, MIL-STD-810H

SIM: Dual SIM Dual Standby (Nano SIM + Nano SIM); Dual SIM Dual Standby (Nano SIM + Nano SIM)
Bluetooth: Bluetooth 5.2; Bluetooth 5.3 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile); A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), LE (Low Energy), HS
Wi-Fi: 802.11a , 802.11b , 802.11g , 802.11n , 802.11ac; 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac, WiFi 6 (802.11ax)
Wi-Fi features: Wi-Fi Hotspot; 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

4G LTE: B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B12 (700), B17 (700), B18 (800), B19 (800), B20 (800), 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), 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), B4 (1700/2100 AWS A-F), B8 (900); B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B6 (800), B8 (900), B19 (800)
2G: B2 (1900), B3 (1800), B5 (850), B8 (900); CDMA BC0 (800), CDMA BC1 (1900), B2 (1900), B3 (1800), B5 (850), B8 (900)
5G: —; n1 (2100), n2 (1900 PCS), n12 (700), n20 (800), n25 (1900), n28b (700), n28a (700)

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