Oukitel C66 vs UmiDigi A75x

At a glance

Brand: Oukitel; UMiDIGI
Release date: January 2026, 4 months ago; February 2026, 3 months ago
AnTuTu: 308.681 Antutu v10 Overall performance better than 61% of devices; 154.000 Antutu v10 Overall performance better than 53% of devices

Size: 6.73"; 6.75"
Resolution: 720 x 1560 px HD+; 720 x 1600 px HD+
Type: LCD IPS; LCD IPS
Density: 255 ppi Medium Density; 260 ppi Medium Density
Aspect ratio: 21:9; 20:9
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 90 Hz, Brightnes 450 cd/m² (typ), Max brightness HBM - 550 cd/m², 2.5D curved glass screen, Capacitive, Multi-touch, Frameless

Chipset: Unisoc Tiger T615 (T7250); Spreadtrum Unisoc SC9863A
CPU: 2 x ARM Cortex A75 1.8Ghz + 6 x ARM Cortex A55 1.6Ghz; 4x Cortex A55 1.6 GHz + 4x Cortex A55 1.2 GHz
CPU type: Octa-Core; Octa-Core
Process: 12 nm; 28 nm
Frequency: 1.8 GHz; 1.6 GHz
GPU: Mali-G57 MP1; PowerVR GE8322
RAM: 4 GB; 4 GB
64-bit: Yes; Yes
RAM type: —; LPDDR4X RAM

Resolution: 64 Mpx; 13 Mpx
Aperture: ƒ/ 1.8; ƒ/ 1.8
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; 4K Video, Digital zoom, Dual camera, Digital image stabilization, Autofocus, Touch focus, Phase detection autofocus (PDAF), Continuous shooting, Geotagging, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer

Capacity: 128 GB; 64 GB
Type: eMMC 5.1 Storage; —
SD slot: Yes , Slot for SD or second SIM card; Yes , Slot for SD or second SIM card

Dimensions: 78.0 mm 165.0 mm 8.7 mm Print 3D Model; 78.0 mm 168.3 mm 8.1 mm Print 3D Model
Weight: 198 g; 189 g
Materials: Plastic; Plastic
Colors: Black Gold Gray Purple Orange; Black Silver Green Cyan
Usable surface: 87 %; 85 %

SIM: Dual SIM Dual Standby (Nano SIM + Nano SIM); Dual SIM Dual Standby (Nano SIM + Nano SIM)
Bluetooth: Bluetooth 5.2; Bluetooth 4.2 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile); A2DP (Advanced Audio Distribution Profile), HID (Human Interface Profile), LE (Low Energy)
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
Wi-Fi features: Wi-Fi Hotspot; Dual band, 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), B20 (800), B28a (700), B38 (TDD 2600), 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), B8 (900)
2G: B2 (1900), B3 (1800), B5 (850), B8 (900); B2 (1900), B3 (1800), B5 (850), B8 (900)