Blackview Rock 1 vs 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

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

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

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

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 %

Operating system: Android 16 Android 16; Android 12 Snow Cone Android 12 Go edition
Google services: With Google Mobile Services; With Google Mobile Services

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

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)