Ulefone Note 21 vs Xiaomi Redmi 15C

At a glance

Brand: Ulefone; Xiaomi
Release date: January 2025, 1 years 5 months ago; September 2025, 9 months ago
AnTuTu: 251.000 Antutu v10 Overall performance better than 59% of devices; 262.000 Antutu v10 Overall performance better than 60% of devices

Size: 6.56"; 6.9"
Resolution: 720 x 1612 px HD+; 720 x 1600 px HD+
Type: LCD IPS; LCD IPS
Density: 269 ppi Medium Density; 260 ppi Medium Density
Aspect ratio: 20:9; 21:9
Features: Water Drop Notch, Refresh rate 90 Hz, Brightnes 450 cd/m² (typ), 2.5D curved glass screen, Capacitive, Multi-touch, Frameless; Water Drop Notch, TÜV Rheinland Flicker-free Certified, Refresh rate 120 Hz, Touch sampling rate 240 Hz, Brightnes 600 cd/m² (typ), Brightnes 450 cd/m² (typ), Brightnes 800 cd/m² (typ), 1500:1 contrast ratio, 1200:1 contrast ratio, TÜV Rheinland Eye Comfort Certification, DC dimming, 70% NTSC, Scratch resistant, 2.5D curved glass screen, Capacitive, Multi-touch, Frameless

Chipset: Unisoc Tiger T606; MediaTek Helio G81 Ultra
CPU: 2x1.6 GHz Cortex A75 + 6x1.6 GHz Cortex A55; 2x Cortex A75 2.0 GHz + 6x Cortex A55 1.8 GHz
CPU type: Octa-Core; Octa-Core
Process: 12 nm; 12 nm
Frequency: 1.6 GHz; 2 GHz
GPU: ARM Mali-G57; Mali-G52 MC2
RAM: 4 GB; 4 GB
RAM type: LPDDR4X RAM; LPDDR4X RAM
64-bit: Yes; Yes

Resolution: 13 Mpx; 50 Mpx
Aperture: ƒ/ 2.2; ƒ/ 1.8
Sensor: Samsung S5K3L6; Samsung S5KJNS
Pixel size: 1.12 µm; 0.64 µm
Sensor size: 1/3.1"; 1/2.76"
Flash: LED; LED
Optical stabilization: No; No
Slow motion: No, 30 fps; Yes, 120 fps
Features: 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; Digital zoom, Dual camera, Digital image stabilization, Autofocus, Touch focus, Geotagging, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer

Dimensions: 75.2 mm 163.2 mm 9.2 mm Print 3D Model; 79.5 mm 171.6 mm 8.0 mm Print 3D Model
Weight: 196 g; 205 g
Materials: Plastic; Plastic , Glass
Colors: Black Violet; Black Blue Purple Green Orange
Drop resistance: Class A B C D E 113 drops without defects; Class A B C D E 270 drops without defects
Repairability: Class A B C D E; Class A B C D E
Usable surface: 84 %; 84 %
Water/dust resistance: —; IP64

Operating system: Android 14 Upside-down cake Android 14; Android 16 HyperOS 3.X (Android 16)
Google services: With Google Mobile Services; With Google Mobile Services
Updates: —; OS updates: 5 years

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 5.4 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile), HID (Human Interface Profile), LE (Low Energy); A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), HID (Human Interface Profile), LE (Low Energy), LDAC, SBC, AAC
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; 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, 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), B17 (700), 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), B20 (800), B28b (700), B28a (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500)
3G: B1 (2100), B2 (1900), B5 (850), B8 (900); B1 (2100), B5 (850), B8 (900)
2G: B2 (1900), B3 (1800), B5 (850), B8 (900); B2 (1900), B3 (1800), B5 (850), B8 (900)