Ulefone Note 15 vs Ulefone Note 21

At a glance

Brand: Ulefone; Ulefone
Release date: June 2023, 2 years ago; January 2025, 1 year ago
AnTuTu: 41.300 Antutu v8 Overall performance better than 49% of devices; 251.000 Antutu v10 Overall performance better than 59% of devices

Size: 6.22"; 6.56"
Resolution: 720 x 1520 px HD+; 720 x 1612 px HD+
Type: LCD IPS; LCD IPS
Density: 270 ppi Medium Density; 269 ppi Medium Density
Aspect ratio: 19:9; 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: 8 Mpx; 13 Mpx
Aperture: ƒ/ 2.0; ƒ/ 2.2
Flash: 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
Sensor: —; Samsung S5K3L6
Pixel size: —; 1.12 µm
Sensor size: —; 1/3.1"

Dimensions: 75.3 mm 157.2 mm 8.9 mm Print 3D Model; 75.2 mm 163.2 mm 9.2 mm Print 3D Model
Weight: 179 g; 196 g
Materials: Plastic; Plastic
Colors: Black Blue Purple; 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 Android 12 Go edition; 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: 802.11b , 802.11g , 802.11n; 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac
Wi-Fi features: Wi-Fi Hotspot; 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; GPS, A-GPS, GLONASS, Beidou, Galileo

3G: B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), 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)
4G LTE: —; 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)