Poco X6 Pro vs Ulefone Note 21

At a glance

Brand: POCO; Ulefone
Release date: January 2024, 2 years 5 months ago; January 2025, 1 years 5 months ago
AnTuTu: 1.479.279 Antutu v10 Overall performance better than 89% of devices; 251.000 Antutu v10 Overall performance better than 59% of devices

Size: 6.67"; 6.56"
Resolution: 1220 x 2712 px QHD; 720 x 1612 px HD+
Type: AMOLED; LCD IPS
Density: 446 ppi Very high density; 269 ppi Medium Density
Aspect ratio: 20:9; 20:9
Features: Hole-punch Notch, SGS Certified, 1920 Hz PWM, Refresh rate 120 Hz, Touch sampling rate 480 Hz, Peak brightness - 1800 cd/m², 5000000:1 contrast ratio, TÜV Rheinland Eye Comfort Certification, HDR10+, DCI-P3, 12 Bits panel (10-bit +2-bit FRC), Dolby Vision, Scratch resistant, Corning Gorilla Glass 5, Capacitive, Multi-touch, Frameless; Water Drop Notch, Refresh rate 90 Hz, Brightnes 450 cd/m² (typ), 2.5D curved glass screen, Capacitive, Multi-touch, Frameless

Chipset: MediaTek Dimensity 8300 Ultra; Unisoc Tiger T606
CPU: 1x cortex A715 3.35GHz+3x cortex A715 3.20GHz+4x cortex A510 2.20 GHz; 2x1.6 GHz Cortex A75 + 6x1.6 GHz Cortex A55
CPU type: Octa-Core; Octa-Core
Process: 4 nm; 12 nm
Frequency: 3.35 GHz; 1.6 GHz
GPU: Mali G615-MC6; ARM Mali-G57
RAM: 8 GB; 4 GB
RAM type: RAM LPDDR5X; LPDDR4X RAM
64-bit: Yes; Yes

Resolution: 64 Mpx; 13 Mpx
Aperture: ƒ/ 1.7; ƒ/ 2.2
Sensor: Omnivision OV64B; Samsung S5K3L6
Pixel size: 0.70 µm; 1.12 µm
Sensor size: 1/2"; 1/3.1"
Flash: Dual LED; LED
Optical stabilization: Yes; No
Slow motion: Yes, 240 fps; No, 30 fps
Features: Flicker sensor, Noise reduction, Face unlock, Time-Lapse, 4K Video, Digital zoom, Triple camera, Digital image stabilization, Optical Stabilization (OIS), Ultra stable video, Autofocus, Touch focus, Continuous autofocus, Manual focus, Phase detection autofocus (PDAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, RAW, Night Mode; 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

Capacity: 5000 mAh; 5000 mAh
Type: Li-Ion; Li-Polymer
Fast charge: Yes , 67.0W; Yes , 10.0W
Wireless charging: Xiaomi P2 fast charging chip, Xiaomi G1 battery management chip; —
Features: Non-removable; Non-removable
Charge cycles: —; 1000 cycles
Runtime: —; ~ 47h

Dimensions: 74.3 mm 160.4 mm 8.3 mm Print 3D Model; 75.2 mm 163.2 mm 9.2 mm Print 3D Model
Weight: 186 g; 196 g
Materials: Plastic , Aluminium alloy , Faux leather; Plastic
Colors: Black Yellow Gray; Black Violet
Water/dust resistance: IP54; —
Usable surface: 90 %; 84 %
Drop resistance: —; Class A B C D E 113 drops without defects
Repairability: —; Class A B C D E

Operating system: Android 14 Upside-down cake HyperOS (Android 14); Android 14 Upside-down cake Android 14
Updates: OS updates: 2 years, Security updates: 2 years; —
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 5.4 LELow energy consumption; Bluetooth 5.0 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile), LE (Low Energy), APT-x, LDAC, SBC, AAC, LHDC; 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, WiFi 6 (802.11ax); 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 MiMO; 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, QZSS, Galileo, GLONASS (L1), BeiDou (B1), NavIC System; GPS, A-GPS, GLONASS, Beidou, Galileo

5G: n1 (2100), n2 (1900 PCS), n3 (1800), n5 (850), n7 (2600), n8 (900), n20 (800), n28b (700), n28a (700), n38 (2600), n40 (2300), n41 (2500), n48 (3500), n77 (3700), n78 (3500); —
4G LTE: B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B18 (800), B19 (800), B20 (800), B28b (700), B28a (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500), B48 (TDD 3600), B66 (1700/2100); 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), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B6 (800), B8 (900), B19 (800); 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)