Ulefone Note 21 vs UmiDigi Note 100x

At a glance

Brand: Ulefone; UMiDIGI
Release date: January 2025, 1 years 5 months ago; February 2026, 4 months ago
AnTuTu: 251.000 Antutu v10 Overall performance better than 59% of devices; 345.000 Antutu v11 Overall performance better than 63% of devices

Size: 6.56"; 6.8"
Resolution: 720 x 1612 px HD+; 720 x 1600 px HD+
Type: LCD IPS; LCD IPS
Density: 269 ppi Medium Density; 258 ppi Medium 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; Water Drop Notch, Refresh rate 120 Hz, Brightnes 500 cd/m² (typ), 2.5D curved glass screen, Capacitive, Multi-touch, Frameless, In-cell

Chipset: Unisoc Tiger T606; MediaTek Helio G81 (MT6769)
CPU: 2x1.6 GHz Cortex A75 + 6x1.6 GHz Cortex A55; 2x Cortex A75 2.0 GHz + 6x Cortex A55 1.7 GHz
CPU type: Octa-Core; Octa-Core
Process: 12 nm; 12 nm
Frequency: 1.6 GHz; 2 GHz
GPU: ARM Mali-G57; ARM Mali-G52 MC2
RAM: 4 GB; 4 GB
RAM type: LPDDR4X RAM; —
64-bit: Yes; Yes

Resolution: 13 Mpx; 32 Mpx
Aperture: ƒ/ 2.2; ƒ/ 1.8
Sensor: Samsung S5K3L6; —
Pixel size: 1.12 µm; —
Sensor size: 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, Continuous shooting, Geotagging, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer; Digital zoom, Triple camera, Autofocus, Touch focus, 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: —; eMMC 5.1 Storage

Dimensions: 75.2 mm 163.2 mm 9.2 mm Print 3D Model; 78.0 mm 168.3 mm 8.1 mm Print 3D Model
Weight: 196 g; 199 g
Materials: Plastic; Plastic
Colors: Black Violet; Black White Green
Drop resistance: Class A B C D E 113 drops without defects; —
Repairability: Class A B C D E; —
Usable surface: 84 %; 85 %
Water/dust resistance: —; IP54

Operating system: Android 14 Upside-down cake Android 14; Android 15 Android 15
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 LELow energy consumption; Bluetooth 5.2
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile), HID (Human Interface Profile), LE (Low Energy); A2DP (Advanced Audio Distribution Profile)
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 MiMO
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), B25 (1900+), B26 (850), 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)