Blackview OSCAL Marine 3 vs Cubot J20
Blackview
OSCAL Marine 3
Cubot
J20
At a glance
- Brand
- Blackview
- Cubot
- Release date
- December 2025, 5 months ago
- July 2023, 2 years 10 months ago
- AnTuTu
- 235.000 Antutu v10 Overall performance better than 57% of devices
- 46.800 Antutu v9 Overall performance better than 49% of devices
Display
- Size
- 6.56"
- 4"
- Resolution
- 720 x 1612 px HD+
- 480 x 854 px LowRes
- Type
- LCD IPS
- LCD
- Density
- 269 ppi Medium Density
- 245 ppi Medium Density
- Aspect ratio
- 20:9
- 16:9
- Features
- Water Drop Notch, Refresh rate 90 Hz, Brightnes 400 cd/m² (typ), Scratch resistant, Dragontrail glass, Corning Gorilla Glass 5, Panda glass, Capacitive, Multi-touch
- Without Notch, Capacitive, Multi-touch
Performance
- Chipset
- MediaTek Helio G81 (MT6769)
- MediaTek MT6739WA
- CPU
- 2x Cortex A75 2.0 GHz + 6x Cortex A55 1.7 GHz
- 4x Cortex A53 1.3 GHz
- CPU type
- Octa-Core
- Quad-Core
- Process
- 12 nm
- 28 nm
- Frequency
- 2 GHz
- 1.3 GHz
- GPU
- ARM Mali-G52 MC2
- PowerVR GE8100
- RAM
- 8 GB
- 2 GB
- RAM type
- LPDDR4X RAM
- —
- 64-bit
- Yes
- Yes
Rear camera
- Resolution
- 16 Mpx
- 5 Mpx
- Aperture
- ƒ/ 2.2
- Unknow
- Flash
- LED
- LED
- Optical stabilization
- No
- No
- Slow motion
- No, 30 fps
- No, 30 fps
- Features
- 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
- Autofocus, Touch focus, Geotagging, HDR, Face detection, Self-timer
Front camera
- Resolution
- 13 Mpx
- 2 Mpx
- Aperture
- ƒ/ 2.2
- Unknow
Battery
- Capacity
- 5000 mAh
- 2350 mAh
- Type
- Li-Polymer
- Li-Polymer
- Fast charge
- Yes , 18.0W
- Yes , 5.0W
- Features
- Reverse charging, Non-removable
- Removable
Storage
- Capacity
- 128 GB
- 16 GB
- Type
- eMMC 5.1 Storage
- —
- SD slot
- Yes , Slot for SD or second SIM card
- Yes , Slot for SD or second SIM card
Body
- Dimensions
- 83.0 mm 174.6 mm 10.7 mm Print 3D Model
- 65.0 mm 138.0 mm 10.8 mm Print 3D Model
- Weight
- 245 g
- 143 g
- Materials
- Rugged Smartphone, Polycarbonate
- Plastic
- Colors
- Black White Silver
- Black Green
- Water/dust resistance
- IP68, IP69 , MIL-STD-810H
- —
- Usable surface
- 71 %
- 49 %
Software
- Operating system
- Android 16 Android 16
- Android 12 Snow Cone Android 12 Go edition
- Google services
- With Google Mobile Services
- With Google Mobile Services
Connectivity
- SIM
- Dual SIM Dual Standby (Nano SIM + Nano SIM)
- Dual SIM Dual Standby (Nano SIM + Nano SIM)
- Bluetooth
- Bluetooth 5.2
- Bluetooth 4.2
- Bluetooth profiles
- A2DP (Advanced Audio Distribution Profile)
- A2DP (Advanced Audio Distribution Profile)
- Wi-Fi
- 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac
- 802.11b , 802.11g , 802.11n
- Wi-Fi features
- Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display
- Wi-Fi Hotspot
- USB
- USB Type-C
- —
- USB features
- Charging, OTG
- Charging, OTG
- Navigation
- GPS, A-GPS, GLONASS, Beidou, Galileo
- GPS, A-GPS
Networks
- 4G LTE
- B3 (1800), B5 (850), B7 (2600), B8 (900), B19 (800), B20 (800), B28b (700), B28a (700), B40 (TDD 2300), B41 (TDD 2500)
- B1 (2100), B3 (1800), B5 (850), B7 (2600), B8 (900), B19 (800), B20 (800), B40 (TDD 2300)
- 3G
- B8 (900)
- B1 (2100), B8 (900)
- 2G
- B2 (1900), B3 (1800), B5 (850), B8 (900)
- B2 (1900), B3 (1800), B5 (850), B8 (900)
Sensors & security
- Fingerprint
- Yes, on the side
- No
- Accelerometer
- Yes
- Yes
- Gyroscope
- Yes
- —
- Proximity
- Yes
- —
- Light sensor
- Yes
- Yes
- Cooling system
- Yes
- No
