Blackview A53 vs Ulefone Note 21

At a glance

Brand: Blackview; Ulefone
Release date: April 2023, 3 years 1 months ago; January 2025, 1 years 4 months ago
AnTuTu: 92.400 Antutu v9 Overall performance better than 50% of devices; 251.000 Antutu v10 Overall performance better than 59% of devices

Size: 6.52"; 6.56"
Resolution: 720 x 1600 px HD+; 720 x 1612 px HD+
Type: LCD IPS; LCD IPS
Density: 269 ppi Medium Density; 269 ppi Medium Density
Aspect ratio: 20:9; 20:9
Features: Water Drop Notch, 2.5D curved glass screen, Capacitive, Multi-touch; Water Drop Notch, Refresh rate 90 Hz, Brightnes 450 cd/m² (typ), 2.5D curved glass screen, Capacitive, Multi-touch, Frameless

Resolution: 12 Mpx; 13 Mpx
Aperture: Unknow; ƒ/ 2.2
Sensor: Sony IMX363 Exmor RS; Samsung S5K3L6
Pixel size: 1.40 µm; 1.12 µm
Sensor size: 1/2.55"; 1/3.1"
Flash: LED; LED
Optical stabilization: No; No
Slow motion: No, 30 fps; No, 30 fps
Features: Digital zoom, Dual camera, Digital image stabilization, Autofocus, Touch focus, Phase detection autofocus (PDAF), 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

Dimensions: 76.9 mm 164.6 mm 9.4 mm Print 3D Model; 75.2 mm 163.2 mm 9.2 mm Print 3D Model
Weight: 193 g; 196 g
Materials: Polycarbonate; Plastic
Colors: Black Blue Gray; Black Violet
Usable surface: 81 %; 84 %
Drop resistance: —; Class A B C D E 113 drops without defects
Repairability: —; Class A B C D E

Operating system: Android 12 Snow Cone Doke OS 3.0 (Android 12); 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 5.0; 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 Direct, 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; GPS, A-GPS, GLONASS, Beidou, Galileo

4G LTE: B1 (2100), B3 (1800), B5 (850), B7 (2600), B8 (900), B20 (800), B40 (TDD 2300); 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), B8 (900); B1 (2100), B2 (1900), B5 (850), B8 (900)
2G: B2 (1900), B3 (1800), B5 (850), B8 (900); B2 (1900), B3 (1800), B5 (850), B8 (900)