hmd XR21 vs Xiaomi Redmi A3x

At a glance

Brand: HMD; Xiaomi
Release date: May 2024, 2 years ago; May 2024, 2 years ago
Launch price: € 599.99 ($ 700.66); —
AnTuTu: 402.100 Antutu v10 Overall performance better than 66% of devices; 239.000 Antutu v10 Overall performance better than 57% of devices

Size: 6.49"; 6.7"
Resolution: 1080 x 2400 px FHD+; 720 x 1650 px HD+
Type: LCD IPS; LCD IPS
Density: 406 ppi Very high density; 269 ppi Medium Density
Aspect ratio: 20:9; 20:9
Features: Hole-punch Notch, Refresh rate 120 Hz, Brightnes 450 cd/m² (typ), Max brightness HBM - 550 cd/m², NTSC, 82% NTSC, Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass Victus, Capacitive, Multi-touch; Water Drop Notch, Refresh rate 90 Hz, Brightnes 500 cd/m² (typ), DC dimming, Scratch resistant, Corning Gorilla Glass 3, Capacitive, Multi-touch, Frameless

Chipset: Qualcomm Snapdragon 695 (SM6375); Unisoc Tiger T603
CPU: 2x2.2 GHz Kryo 660 Gold +6x1.7 GHz Kryo 660 Silver; 2xCortex A75 1.8GHz + 6x Cortex A55 1.6GHz
CPU type: Octa-Core; Octa-Core
Process: 6 nm; 12 nm
Frequency: 2.2 GHz; 1.8 GHz
GPU: Qualcomm Adreno 619; Mali-G57 MP1
RAM: 6 GB; 3 GB
RAM type: LPDDR4X RAM; LPDDR4X RAM
64-bit: Yes; Yes

Resolution: 64 Mpx; 8 Mpx
Aperture: Unknow; ƒ/ 2.2
Flash: Dual LED; LED
Optical stabilization: No; No
Slow motion: No, 30 fps; No, 30 fps
Features: Digital zoom, Dual camera, Autofocus, Touch focus, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer; Digital zoom, Dual camera, Autofocus, Touch focus, Manual focus, Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer

Dimensions: 78.6 mm 168.0 mm 10.4 mm Print 3D Model; 76.3 mm 168.3 mm 8.3 mm Print 3D Model
Weight: 231 g; 199 g
Materials: Polycarbonate; Glass , Leather
Colors: Black; Black Blue Green
Water/dust resistance: IP68, IP69; —
Usable surface: 77 %; 82 %

Operating system: Android 13 Tiramisu Android 13; Android 14 Upside-down cake MIUI 14 (Android 14)
Google services: With Google Mobile Services; With Google Mobile Services
Updates: —; OS updates: 2 years, Security updates: 3 years

SIM: Dual SIM Dual Standby (Nano SIM + Nano SIM / eSIM); Dual SIM Dual Standby (Nano SIM + Nano SIM)
Bluetooth: Bluetooth 5.1 LELow energy consumption; Bluetooth 4.2 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile), LE (Low Energy); A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), LE (Low Energy), SBC, AAC
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 Hotspot, Wi-Fi Direct
USB features: Charging, OTG; Charging, OTG
Navigation: GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo, Galileo (E1+E5a), NavIC System, GPS (L1+L2+L5); GPS, A-GPS, GLONASS, Beidou

5G: n1 (2100), n2 (1900 PCS), n3 (1800), n5 (850), n7 (2600), n8 (900), n20 (800), n25 (1900), n28b (700), n28a (700), n38 (2600), n40 (2300), n41 (2500), n66 (1700), n71 (600), n77 (3700), n78 (3500), n79 (4700); —
4G LTE: B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B12 (700), B13 (700), B17 (700), B20 (800), B25 (1900+), B26 (850), B28b (700), B28a (700), B32 (1500), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500), B42 (TDD 3500), B43 (TDD 3700), B48 (TDD 3600), B66 (1700/2100), B71 (600); 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), B4 (1700/2100 AWS A-F), 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)