Oukitel C66 vs Vivo X300 Ultra
Oukitel
C66
Vivo
X300 Ultra
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
- 4.010.000 Antutu v11 Overall performance better than 99% of devices
- Launch price
- —
- CN¥ 6,999.00 ($ 1,023.80)
Display
- Size
- 6.73"
- 6.83"
- Resolution
- 720 x 1560 px HD+
- 1440 x 3168 px WQHD+
- Type
- LCD IPS
- AMOLED Q10 Plus 8T
- Density
- 255 ppi Medium Density
- 511 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, 1-144 Hz refresh rate, Refresh rate 144 Hz, Variable refresh rate VRR, Peak brightness - 4500 cd/m², Max brightness HBM - 1800 cd/m², 8000000:1 contrast ratio, HDR10+, DCI-P3, DC dimming, 10 Bits panel, Dolby Vision, Scratch resistant, AGC glass, Armor glass, Capacitive, Multi-touch, Frameless, LTPO (Low Temperature PolySilicon oxide)
Performance
- Chipset
- Unisoc Tiger T615 (T7250)
- Qualcomm Snapdragon 8 Elite Gen 5
- CPU
- 2 x ARM Cortex A75 1.8Ghz + 6 x ARM Cortex A55 1.6Ghz
- 2x4.61 GHz ARM + 6x3.63 GHz ARM
- CPU type
- Octa-Core
- Octa-Core
- Process
- 12 nm
- 3 nm
- Frequency
- 1.8 GHz
- 4.61 GHz
- GPU
- Mali-G57 MP1
- Adreno 840 1.2 GHz
- RAM
- 4 GB
- 12 GB
- 64-bit
- Yes
- Yes
- RAM type
- —
- RAM LPDDR5X
Rear camera
- Resolution
- 64 Mpx
- 200 Mpx
- Aperture
- ƒ/ 1.8
- ƒ/ 1.69
- Flash
- LED
- 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
- Flicker sensor, Night Mode 2.0, Noise reduction, Time-Lapse, 4K Video, 8K Video, Digital zoom, Optical zoom, Quadruple camera, Digital image stabilization, Optical Stabilization (OIS), Ultra stable video, Gimbal, Autofocus, Touch focus, Continuous autofocus, Manual focus, Phase detection autofocus (PDAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, RAW, Night Mode
- Sensor
- —
- Sony LYT-901
- Pixel size
- —
- 0.70 µm
- Sensor size
- —
- 1/1.12"
Front camera
- Resolution
- 8 Mpx
- 50 Mpx
- Aperture
- Unknow
- ƒ/ 2.5
Battery
- Capacity
- 5000 mAh
- 7000 mAh
- Type
- Li-Polymer
- Si-Carbon Li-Ion
- Fast charge
- Yes , 18.0W
- Yes , 100.0W
- Features
- Non-removable
- Bypass Charging, Wireless charging, Reverse charging, Non-removable
- Wireless charging
- —
- 50W wireless fast charging
- Charge cycles
- —
- 1200 cycles
- Runtime
- —
- ~ 57h
Storage
- Capacity
- 128 GB
- 256 GB
- Type
- eMMC 5.1 Storage
- UFS Storage 4.1
- SD slot
- Yes , Slot for SD or second SIM card
- No
Body
- Dimensions
- 78.0 mm 165.0 mm 8.7 mm Print 3D Model
- 76.8 mm 163.0 mm 8.2 mm Print 3D Model
- Weight
- 198 g
- 232 g
- Materials
- Plastic
- Glass , Titanium-aluminium alloy
- Colors
- Black Gold Gray Purple Orange
- Black Silver Green
- Usable surface
- 87 %
- 90 %
- Water/dust resistance
- —
- IP68, IP69
- Drop resistance
- —
- Class A B C D E 180 drops without defects
- Repairability
- —
- Class A B C D E
Software
- 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
Connectivity
- SIM
- Dual SIM Dual Standby (Nano SIM + Nano SIM)
- Dual SIM Dual Standby (Nano SIM + Nano SIM)
- Bluetooth
- Bluetooth 5.2
- Bluetooth 6.0 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 6E , 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), GLONASS (L1), BeiDou (B1), Galileo (E1+E5a), BeiDou (B2), QZSS (L1 + L5)
Networks
- 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), 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), 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)
- CDMA BC0 (800), B2 (1900), B3 (1800), B5 (850), B8 (900)
- 5G
- —
- n1 (2100), n2 (1900 PCS), n3 (1800), n5 (850), n7 (2600), n8 (900), n12 (700), n18 (850), n20 (800), n25 (1900), n26 (850), n28b (700), n28a (700), n38 (2600), n40 (2300), n41 (2500), n48 (3500), n66 (1700), n77 (3700), n78 (3500), n79 (4700), n80 (1800), n81 (900), n83A (700), n83B (700), n84 (2100)
Sensors & security
- 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
- Dolby Atmos, Hi-Res Audio, Stereo Speakers
- Gyroscope
- —
- Yes
- Proximity
- —
- Yes
