Blackview ROCK 3 vs Ulefone Note 21

At a glance

Brand: Blackview; Ulefone
Release date: February 2026, 4 months ago; January 2025, 1 years 5 months ago
AnTuTu: 420.236 Antutu v11 Overall performance better than 69% of devices; 251.000 Antutu v10 Overall performance better than 59% of devices

Size: 6.78"; 6.56"
Resolution: 1080 x 2460 px FHD+; 720 x 1612 px HD+
Type: LCD IPS; LCD IPS
Density: 396 ppi High Density; 269 ppi Medium Density
Aspect ratio: 21:9; 20:9
Features: Hole-punch Notch, Refresh rate 120 Hz, Touch sampling rate 240 Hz, Brightnes 500 cd/m² (typ), Peak brightness - 750 cd/m², Scratch resistant, Corning Gorilla Glass 3, Capacitive, Multi-touch; Water Drop Notch, Refresh rate 90 Hz, Brightnes 450 cd/m² (typ), 2.5D curved glass screen, Capacitive, Multi-touch, Frameless

Chipset: MediaTek Helio G100; Unisoc Tiger T606
CPU: 2x2.2GHz Cortex A76 + 6x2GHz Cortex A55; 2x1.6 GHz Cortex A75 + 6x1.6 GHz Cortex A55
CPU type: Octa-Core; Octa-Core
Process: 6 nm; 12 nm
Frequency: 2.2 GHz; 1.6 GHz
GPU: Arm Mali-G57 MC2; ARM Mali-G57
RAM: 8 GB; 4 GB
RAM type: LPDDR4X RAM; LPDDR4X RAM
64-bit: Yes; Yes

Resolution: 108 Mpx; 13 Mpx
Aperture: ƒ/ 1.88; ƒ/ 2.2
Sensor: Samsung HM6; Samsung S5K3L6
Pixel size: 0.64 µm; 1.12 µm
Sensor size: 1/1.67"; 1/3.1"
Flash: Dual 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; Digital zoom, Dual camera, Digital image stabilization, Autofocus, Touch focus, Continuous shooting, Geotagging, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer

Capacity: 256 GB; 128 GB
SD slot: Yes , Slot for SD or second SIM card; Yes , Slot for SD or second SIM card

Dimensions: 82.0 mm 181.0 mm 18.1 mm Print 3D Model; 75.2 mm 163.2 mm 9.2 mm Print 3D Model
Weight: 388 g; 196 g
Materials: Rugged Smartphone, Polycarbonate , Aluminium alloy; Plastic
Colors: Black Orange; Black Violet
Water/dust resistance: IP68, IP69 , MIL-STD-810H; —
Usable surface: 73 %; 84 %
Drop resistance: —; Class A B C D E 113 drops without defects
Repairability: —; Class A B C D E

Operating system: Android 16 Android 16; Android 14 Upside-down cake Android 14
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 5.2; Bluetooth 5.0 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile); A2DP (Advanced Audio Distribution Profile), HID (Human Interface Profile), LE (Low Energy)
Wi-Fi: 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac; 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac
Wi-Fi features: Dual band, Wi-Fi Hotspot, Wi-Fi Display; Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display
USB: USB Type-C; USB Type-C
USB features: Charging, OTG; Charging, OTG
Navigation: GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo; GPS, A-GPS, GLONASS, Beidou, Galileo

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), 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), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B12 (700), B17 (700), B19 (800), B20 (800), B26 (850), B28b (700), B28a (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500), B66 (1700/2100)
3G: B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B8 (900); B1 (2100), B2 (1900), B5 (850), B8 (900)
2G: CDMA BC1 (1900), B2 (1900), B3 (1800), B5 (850), B8 (900); B2 (1900), B3 (1800), B5 (850), B8 (900)