Ulefone Note 21 vs Xiaomi Redmi Note 13 4G

At a glance

Brand: Ulefone; Xiaomi
Release date: January 2025, 1 years 5 months ago; December 2023, 2 years 6 months ago
AnTuTu: 251.000 Antutu v10 Overall performance better than 59% of devices; 338.000 Antutu v10 Overall performance better than 63% of devices

Size: 6.56"; 6.67"
Resolution: 720 x 1612 px HD+; 1080 x 2400 px FHD+
Type: LCD IPS; AMOLED
Density: 269 ppi Medium Density; 446 ppi Very high density
Aspect ratio: 20:9; 20:9
Features: Water Drop Notch, Refresh rate 90 Hz, Brightnes 450 cd/m² (typ), 2.5D curved glass screen, Capacitive, Multi-touch, Frameless; Hole-punch Notch, 1920 Hz PWM, Refresh rate 120 Hz, Max brightness HBM - 1000 cd/m², Peak brightness - 1800 cd/m², 5000000:1 contrast ratio, TÜV Rheinland Eye Comfort Certification, DCI-P3, Scratch resistant, Corning Gorilla Glass 3, Capacitive, Multi-touch, Frameless

Chipset: Unisoc Tiger T606; Qualcomm Snapdragon 685 (SM6225)
CPU: 2x1.6 GHz Cortex A75 + 6x1.6 GHz Cortex A55; 4x2.8 GHz Cortex A73 + 4x1.9GHz Cortex A53
CPU type: Octa-Core; Octa-Core
Process: 12 nm; 6 nm
Frequency: 1.6 GHz; 2.8 GHz
GPU: ARM Mali-G57; Adreno 610
RAM: 4 GB; 8 GB
RAM type: LPDDR4X RAM; LPDDR4X RAM
64-bit: Yes; Yes

Resolution: 13 Mpx; 108 Mpx
Aperture: ƒ/ 2.2; ƒ/ 1.7
Sensor: Samsung S5K3L6; Samsung HM6
Pixel size: 1.12 µm; 0.64 µm
Sensor size: 1/3.1"; 1/1.67"
Flash: LED; LED
Optical stabilization: No; No
Slow motion: No, 30 fps; Yes, 60 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, Triple camera, Digital image stabilization, Autofocus, Touch focus, Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer

Capacity: 128 GB; 256 GB
SD slot: Yes , Slot for SD or second SIM card; Yes , Slot for SD or second SIM card
Type: —; UFS Storage 2.2

Dimensions: 75.2 mm 163.2 mm 9.2 mm Print 3D Model; 75.6 mm 162.3 mm 8.0 mm Print 3D Model
Weight: 196 g; 188 g
Materials: Plastic; Plastic
Colors: Black Violet; Black Blue Gold Green
Drop resistance: Class A B C D E 113 drops without defects; —
Repairability: Class A B C D E; —
Usable surface: 84 %; 89 %
Water/dust resistance: —; IP54

Operating system: Android 14 Upside-down cake Android 14; Android 14 Upside-down cake HyperOS (Android 14)
Google services: With Google Mobile Services; With Google Mobile Services
Updates: —; OS updates: 2 years, Security updates: 2 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 5.1 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile), HID (Human Interface Profile), LE (Low Energy); A2DP (Advanced Audio Distribution Profile), LE (Low Energy), APT-x, 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; 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, 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)