Oukitel C66 vs Tecno Spark 40

At a glance

Brand: Oukitel; Tecno
Release date: January 2026, 5 months ago; July 2025, 11 months ago
AnTuTu: 308.681 Antutu v10 Overall performance better than 61% of devices; 250.000 Antutu v10 Overall performance better than 59% of devices

Size: 6.73"; 6.67"
Resolution: 720 x 1560 px HD+; 720 x 1600 px HD+
Type: LCD IPS; LCD IPS
Density: 255 ppi Medium Density; 263 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; Hole-punch Notch, Refresh rate 120 Hz, Scratch resistant, Capacitive, Multi-touch, Frameless

Chipset: Unisoc Tiger T615 (T7250); MediaTek Helio G91
CPU: 2 x ARM Cortex A75 1.8Ghz + 6 x ARM Cortex A55 1.6Ghz; 2x Cortex A75 2.0 GHz + 6x Cortex A55 1.8 GHz
CPU type: Octa-Core; Octa-Core
Process: 12 nm; 12 nm
Frequency: 1.8 GHz; 2 GHz
GPU: Mali-G57 MP1; Arm Mali-G52 MC2 850MHz
RAM: 4 GB; 8 GB
64-bit: Yes; Yes

Resolution: 64 Mpx; 50 Mpx
Aperture: ƒ/ 1.8; ƒ/ 1.8
Flash: LED; LED
Optical stabilization: No; No
Slow motion: No, 30 fps; Yes, 120 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, Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, Front Flash

Capacity: 128 GB; 128 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; 77.0 mm 165.6 mm 7.7 mm Print 3D Model
Weight: 198 g; 188 g
Materials: Plastic; Polycarbonate
Colors: Black Gold Gray Purple Orange; Black White Blue Gray
Usable surface: 87 %; 84 %
Water/dust resistance: —; IP64

SIM: Dual SIM Dual Standby (Nano SIM + Nano SIM); Dual SIM Dual Standby (Nano SIM + Nano SIM)
Bluetooth: Bluetooth 5.2; Bluetooth 5.3
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 , 802.11n 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), B5 (850), B7 (2600), B8 (900), B20 (800), B38 (TDD 2600), 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); B2 (1900), B3 (1800), B5 (850), B8 (900)