Blackview Rock 1 vs Cubot J20

Blackview
Rock 1

Cubot
J20
At a glance
- Brand
- Blackview
- Cubot
- Release date
- December 2025, 5 months ago
- July 2023, 2 years 10 months ago
- AnTuTu
- 335.458 Antutu v11 Overall performance better than 63% 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
- 268 ppi Medium Density
- 245 ppi Medium Density
- Aspect ratio
- 20:9
- 16:9
- Features
- Hole-punch Notch, Glove touch support, Refresh rate 90 Hz, Touch sampling rate 180 Hz, Max brightness HBM - 700 cd/m², Max brightness HBM - 480 cd/m², Scratch resistant, 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/ 1.8
- Unknow
- Flash
- Quad LED
- LED
- Optical stabilization
- No
- No
- Slow motion
- Yes, 120 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
- 15000 mAh
- 2350 mAh
- Type
- Li-Polymer
- Li-Polymer
- Fast charge
- Yes , 33.0W
- Yes , 5.0W
- Charge cycles
- 800 cycles
- —
- Runtime
- ~ 146h
- —
- Features
- Reverse charging, Non-removable
- Removable
Storage
- Capacity
- 256 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
- 85.0 mm 185.5 mm 22.0 mm Print 3D Model
- 65.0 mm 138.0 mm 10.8 mm Print 3D Model
- Weight
- 540 g
- 143 g
- Materials
- Rugged Smartphone, Polycarbonate , Aluminium
- Plastic
- Colors
- Black
- Black Green
- Water/dust resistance
- IP68, IP69 , MIL-STD-810H
- —
- Drop resistance
- Class A B C D E 270 drops without defects
- —
- Repairability
- Class A B C D E
- —
- Usable surface
- 68 %
- 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 5.3
- 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
- B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B12 (700), B13 (700), B17 (700), B19 (800), B20 (800), B28b (700), B28a (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500), B66 (1700/2100)
- B1 (2100), B3 (1800), B5 (850), B7 (2600), B8 (900), B19 (800), B20 (800), B40 (TDD 2300)
- 3G
- B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), 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
- Barometer
- Yes
- —
- Cooling system
- Yes
- No
- Audio
- Stereo Speakers
- —
















