Oukitel C66 vs Poco C81x

At a glance

Brand: Oukitel; POCO
Release date: January 2026, 5 months ago; April 2026, 2 months ago
AnTuTu: 308.681 Antutu v10 Overall performance better than 61% of devices; 308.681 Antutu v10 Overall performance better than 61% of devices

Size: 6.73"; 6.88"
Resolution: 720 x 1560 px HD+; 720 x 1640 px HD+
Type: LCD IPS; LCD IPS
Density: 255 ppi Medium Density; 260 ppi Medium 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; Water Drop Notch, Refresh rate 120 Hz, Touch sampling rate 240 Hz, Brightnes 450 cd/m² (typ), 1500:1 contrast ratio, TÜV Rheinland Eye Comfort Certification, 2.5D curved glass screen, Capacitive, Multi-touch, Frameless, In-cell

Chipset: Unisoc Tiger T615 (T7250); Unisoc Tiger T615 (T7250)
CPU: 2 x ARM Cortex A75 1.8Ghz + 6 x ARM Cortex A55 1.6Ghz; 2 x ARM Cortex A75 1.8Ghz + 6 x ARM Cortex A55 1.6Ghz
CPU type: Octa-Core; Octa-Core
Process: 12 nm; 12 nm
Frequency: 1.8 GHz; 1.8 GHz
GPU: Mali-G57 MP1; Mali-G57 MP1
RAM: 4 GB; 3 GB
64-bit: Yes; Yes
RAM type: —; LPDDR4X RAM

Resolution: 64 Mpx; 13 Mpx
Aperture: ƒ/ 1.8; ƒ/ 2.0
Flash: LED; 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, Dual camera, Autofocus, Touch focus, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer

Dimensions: 78.0 mm 165.0 mm 8.7 mm Print 3D Model; 77.8 mm 171.8 mm 8.3 mm Print 3D Model
Weight: 198 g; 193 g
Materials: Plastic; Plastic
Colors: Black Gold Gray Purple Orange; Black Cyan
Usable surface: 87 %; 84 %
Water/dust resistance: —; Splash resistant

Operating system: Android 16 Android 16; Android 15 HyperOS 2.X (Android 15)
Google services: With Google Mobile Services; With Google Mobile Services
Updates: —; OS updates: 4 years, Security updates: 6 years

SIM: Dual SIM Dual Standby (Nano SIM + Nano SIM); Dual SIM Dual Standby (Nano SIM + Nano SIM)
Bluetooth: Bluetooth 5.2; Bluetooth 5.2
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile); A2DP (Advanced Audio Distribution Profile)
Wi-Fi: 802.11a , 802.11b , 802.11g , 802.11n , 802.11ac; 802.11a , 802.11b , 802.11g , 802.11n , 802.11ac
Wi-Fi features: Wi-Fi Hotspot; Wi-Fi Hotspot
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), B3 (1800), B5 (850), B8 (900), B28b (700), B28a (700), B40 (TDD 2300), B41 (TDD 2500)
3G: B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B8 (900); B1 (2100), B5 (850), B8 (900)
2G: B2 (1900), B3 (1800), B5 (850), B8 (900); B3 (1800), B5 (850), B8 (900)