Cubot Note 21 vs Xiaomi Redmi K50 Extreme Edition

At a glance

Brand: Cubot; Xiaomi
Release date: August 2023, 2 years 10 months ago; August 2022, 3 years 10 months ago
AnTuTu: 251.600 Antutu v10 Overall performance better than 59% of devices; 1.411.227 Antutu v11 Overall performance better than 88% of devices

Size: 6.56"; 6.67"
Resolution: 720 x 1612 px HD+; 1220 x 2712 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, 2.5D curved glass screen, Capacitive, Multi-touch; Hole-punch Notch, Refresh rate 120 Hz, Touch sampling rate 480 Hz, 5000000:1 contrast ratio, HDR10+, DCI-P3, 10 Bits panel, MEMC, DisplayMate A+, Dolby Vision, Scratch resistant, 3D curved glass screen, Corning Gorilla Glass Victus, Capacitive, Multi-touch, Frameless

Chipset: Unisoc Tiger T606; Qualcomm Snapdragon 8+ Gen1
CPU: 2x1.6 GHz Cortex A75 + 6x1.6 GHz Cortex A55; 1x3.2 GHz Cortex X2 +3x2.8 GHz Cortex A710 + 4x2.0 GHz Cortex A510
CPU type: Octa-Core; Octa-Core
Process: 12 nm; 4 nm
Frequency: 1.6 GHz; 3.2 GHz
GPU: ARM Mali-G57; Qualcomm Adreno 730 875 MHz
RAM: 6 GB; 8 GB
64-bit: Yes; Yes
RAM type: —; RAM LPDDR5

Resolution: 50 Mpx; 108 Mpx
Aperture: ƒ/ 1.8; ƒ/ 1.73
Flash: LED; LED
Optical stabilization: No; Yes
Slow motion: No, 30 fps; Yes, 960 fps
Features: Digital zoom, Dual camera, Autofocus, Touch focus, Phase detection autofocus (PDAF), Continuous shooting, Geotagging, HDR, Face detection, Scene mode, Self-timer; Flicker sensor, 4K Video, Digital zoom, Triple camera, Digital image stabilization, Optical Stabilization (OIS), Gimbal, Autofocus, Touch focus, Continuous autofocus, Manual focus, Laser autofocus (LAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, Dual capture, Night Mode
Sensor: —; Samsung HM6
Pixel size: —; 0.64 µm
Sensor size: —; 1/1.67"

Dimensions: 75.9 mm 165.7 mm 10.6 mm Print 3D Model; 75.9 mm 163.1 mm 8.6 mm Print 3D Model
Weight: 214 g; 202 g
Materials: Polycarbonate; Aluminium alloy , Glass
Colors: Black Green Orange; Black Blue Gray Electric Gray
Usable surface: 82 %; 86 %

Operating system: Android 13 Tiramisu Android 13; Android 12 Snow Cone MIUI V13 (Android 12)
Google services: With Google Mobile Services; Without 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 5.3 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile); A2DP (Advanced Audio Distribution 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, WiFi 6 (802.11ax)
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, Wi-Fi MiMO
USB: USB Type-C; USB Type-C
USB features: Charging, OTG; Charging, OTG
Navigation: GPS, A-GPS, GLONASS, Beidou, Galileo; A-GPS, GLONASS, Beidou, QZSS, GPS (L1+L5), GLONASS (L1), BeiDou (B1), Galileo (E1+E5a), BeiDou (B2), NavIC System, QZSS (L1 + L5)

4G LTE: B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B12 (700), B17 (700), B20 (800), B28b (700), B28a (700), B41 (TDD 2500); B1 (2100), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B8 (900), B18 (800), B19 (800), B26 (850), B34 (TDD 2100), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500), B42 (TDD 3500)
3G: B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B8 (900); B1 (2100), B4 (1700/2100 AWS A-F), B5 (850), B6 (800), B8 (900), B19 (800)
2G: B2 (1900), B3 (1800), B5 (850), B8 (900); CDMA BC0 (800), B2 (1900), B3 (1800), B5 (850), B8 (900)
5G: —; n1 (2100), n3 (1800), n5 (850), n8 (900), n28a (700), n38 (2600), n40 (2300), n41 (2500), n77 (3700), n78 (3500)