Oukitel C66 vs Vivo X300s

At a glance

Brand: Oukitel; vivo
Release date: January 2026, 4 months ago; March 2026, 2 months ago
AnTuTu: 308.681 Antutu v10 Overall performance better than 61% of devices; 3.649.108 Antutu v11 Overall performance better than 99% of devices
Launch price: —; CN¥ 4,999.00 ($ 730.30)

Size: 6.73"; 6.78"
Resolution: 720 x 1560 px HD+; 1260 x 2800 px QHD
Type: LCD IPS; AMOLED
Density: 255 ppi Medium Density; 453 ppi Very high 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, SGS Certified, 2160 Hz PWM, TÜV Low Blue Light, 3840 Hz PWM, 1-144 Hz refresh rate, Refresh rate 144 Hz, Touch sampling rate 300 Hz, Peak brightness - 3600 cd/m², 8000000:1 contrast ratio, HDR10+, DCI-P3, DC dimming, 10 Bits panel, Dolby Vision, Scratch resistant, Corning Gorilla Glass Victus 2, Capacitive, Multi-touch, Frameless, LTPO (Low Temperature PolySilicon oxide)

Chipset: Unisoc Tiger T615 (T7250); MediaTek Dimensity 9500
CPU: 2 x ARM Cortex A75 1.8Ghz + 6 x ARM Cortex A55 1.6Ghz; 1x4,21 GHz C1 Ultra + 3x3,5 GHz C1 Premium + 4x2,7 GHz C1 Pro
CPU type: Octa-Core; Octa-Core
Process: 12 nm; 3 nm
Frequency: 1.8 GHz; 4.21 GHz
GPU: Mali-G57 MP1; Mali G1 Ultra
RAM: 4 GB; 12 GB
64-bit: Yes; Yes

Resolution: 64 Mpx; 108 Mpx
Aperture: ƒ/ 1.8; ƒ/ 1.7
Flash: LED; Dual LED
Optical stabilization: No; Yes
Slow motion: No, 30 fps; Yes, 960 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; UIS, Noise reduction, Time-Lapse, 4K Video, 8K Video, Digital zoom, Optical zoom, Triple camera, Digital image stabilization, Optical Stabilization (OIS), Autofocus, Touch focus, Manual focus, Phase detection autofocus (PDAF), Laser autofocus (LAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, RAW, Night Mode
Sensor: —; Samsung HM6
Pixel size: —; 0.64 µm
Sensor size: —; 1/1.67"

Dimensions: 78.0 mm 165.0 mm 8.7 mm Print 3D Model; 75.5 mm 162.0 mm 8.0 mm Print 3D Model
Weight: 198 g; 217 g
Materials: Plastic; Glass , Aluminium
Colors: Black Gold Gray Purple Orange; Black White Green Violet
Usable surface: 87 %; 90 %
Water/dust resistance: —; IP68, IP69

Operating system: Android 16 Android 16; Android 16 OriginOS 6 (Android 16)
Google services: With Google Mobile Services; Without Google Mobile services
Updates: —; OS updates: 5 years, Security updates: 5 years

SIM: Dual SIM Dual Standby (Nano SIM + Nano SIM); Dual SIM Dual Standby (Nano SIM + Nano SIM)
Bluetooth: Bluetooth 5.2; Bluetooth 5.4 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile); A2DP (Advanced Audio Distribution Profile), LE (Low Energy), APT-x, LDAC, SBC, AAC
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) , WiFi 7 (802.11be)
Wi-Fi features: Wi-Fi Hotspot; Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, Wi-Fi MiMO
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, QZSS, Galileo, GPS (L1+L5), BeiDou (B1), Galileo (E1+E5a), BeiDou (B2), NavIC System, QZSS (L1 + L5), Galileo (E1+E5a+E5b)

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), B18 (800), B19 (800), B20 (800), B25 (1900+), B26 (850), B28a (700), B34 (TDD 2100), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500), B42 (TDD 3500), B43 (TDD 3700), B48 (TDD 3600), 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); B2 (1900), B3 (1800), B5 (850), B8 (900)
5G: —; n1 (2100), n2 (1900 PCS), n3 (1800), n5 (850), n7 (2600), n8 (900), n18 (850), n20 (800), n25 (1900), n26 (850), n28a (700), n38 (2600), n40 (2300), n41 (2500), n48 (3500), n66 (1700), n77 (3700), n78 (3500), n79 (4700)

Fingerprint: Yes, on the side; Yes, in screen
Accelerometer: Yes; Yes
Light sensor: Yes; Yes
Cooling system: No; Yes
Audio: DTS / DTS X, Stereo Speakers; Hi-Res Audio, Noise cancellation microphone, Stereo Speakers, 2 microphones
Proximity: —; Yes