Blackview Rock 2 5G vs Cubot J20

At a glance

Brand: Blackview; Cubot
Release date: December 2025, 5 months ago; July 2023, 2 years 10 months ago
AnTuTu: 641.019 Antutu v11 Overall performance better than 77% of devices; 46.800 Antutu v9 Overall performance better than 49% of devices

Size: 6.67"; 4"
Resolution: 720 x 1604 px HD+; 480 x 854 px LowRes
Type: Oled; LCD
Density: 264 ppi Medium Density; 245 ppi Medium Density
Aspect ratio: 20:9; 16:9
Features: Hole-punch Notch, Refresh rate 120 Hz, Max brightness HBM - 650 cd/m², Scratch resistant, Capacitive, Multi-touch, Frameless; Without Notch, Capacitive, Multi-touch

Chipset: Unisoc Tiger T760 / T8100; MediaTek MT6739WA
CPU: 4x 2.2 GHz ARM Cortex A76 +4x 2.2 GHz ARM Cortex A55; 4x Cortex A53 1.3 GHz
CPU type: Octa-Core; Quad-Core
Process: 6 nm; 28 nm
Frequency: 2.2 GHz; 1.3 GHz
GPU: ARM Mali-G57 MP4; PowerVR GE8100
RAM: 8 GB; 2 GB
RAM type: LPDDR4X RAM; —
64-bit: Yes; Yes

Resolution: 16 Mpx; 5 Mpx
Aperture: Unknow; Unknow
Flash: Dual LED; LED
Optical stabilization: No; No
Slow motion: Yes, 120 fps; No, 30 fps
Features: Digital zoom, Dual camera, Autofocus, Touch focus, 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: UFS Storage 2.2; —
SD slot: Yes , Slot for SD or second SIM card; Yes , Slot for SD or second SIM card

Dimensions: 89.7 mm 188.6 mm 25.3 mm Print 3D Model; 65.0 mm 138.0 mm 10.8 mm Print 3D Model
Weight: 548 g; 143 g
Materials: Rugged Smartphone, Plastic; Plastic
Colors: Black Violet Orange; Black Green
Water/dust resistance: IP68, IP52 , IP69 , MIL-STD-810H; —
Usable surface: 63 %; 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 5.0 LELow energy consumption; Bluetooth 4.2
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile), LE (Low Energy); 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 features: Charging, OTG; Charging, OTG
Navigation: GPS, A-GPS, Beidou, Galileo; GPS, A-GPS

5G: n1 (2100), n2 (1900 PCS), n3 (1800), n5 (850), n7 (2600), n8 (900), n20 (800), n26 (850), n28b (700), n28a (700), n38 (2600), n40 (2300), n41 (2500), n66 (1700), n77 (3700), n78 (3500); —
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), 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), 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)