Vivo iQOO Z9 vs Xiaomi Redmi A3x

At a glance

Brand: vivo; Xiaomi
Release date: April 2024, 2 years 2 months ago; May 2024, 2 years 1 months ago
Launch price: CN¥ 1,499.00 ($ 219.21); —
AnTuTu: 866.863 Antutu v10 Overall performance better than 82% of devices; 239.000 Antutu v10 Overall performance better than 57% of devices

Size: 6.78"; 6.7"
Resolution: 1260 x 2800 px QHD; 720 x 1650 px HD+
Type: AMOLED; LCD IPS
Density: 453 ppi Very high density; 269 ppi Medium Density
Aspect ratio: 20:9; 20:9
Features: Hole-punch Notch, 3840 Hz PWM, Refresh rate 144 Hz, Touch sampling rate 300 Hz, Peak brightness - 4500 cd/m², 8000000:1 contrast ratio, HDR10+, DCI-P3, 105% NTSC, 10 Bits panel, Scratch resistant, 3D curved glass screen, Capacitive, Multi-touch, Frameless; 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 7 Gen 3 (SM7550-AB); Unisoc Tiger T603
CPU: 1x2.63 GHz Cortex A715 +3x2.4 GHz Cortex A715 + 4x1.8 GHz Cortex A510; 2xCortex A75 1.8GHz + 6x Cortex A55 1.6GHz
CPU type: Octa-Core; Octa-Core
Process: 4 nm; 12 nm
Frequency: 2.63 GHz; 1.8 GHz
GPU: Qualcomm Adreno 720; Mali-G57 MP1
RAM: 8 GB; 3 GB
64-bit: Yes; Yes
RAM type: —; LPDDR4X RAM

Resolution: 50 Mpx; 8 Mpx
Aperture: ƒ/ 1.79; ƒ/ 2.2
Sensor: Sony LYT-600; —
Pixel size: 0.70 µm; —
Sensor size: 1/1.95"; —
Flash: Dual LED; LED
Optical stabilization: No; No
Slow motion: Yes, 240 fps; No, 30 fps
Features: 4K Video, Digital zoom, Dual camera, Digital image stabilization, Autofocus, Touch focus, 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, Autofocus, Touch focus, Manual focus, Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer

Dimensions: 75.9 mm 163.7 mm 8.0 mm Print 3D Model; 76.3 mm 168.3 mm 8.3 mm Print 3D Model
Weight: 195 g; 199 g
Materials: Glass; Glass , Leather
Colors: Black White Blue; Black Blue Green
Water/dust resistance: IP64; —
Usable surface: 89 %; 82 %

Operating system: Android 14 Upside-down cake OriginOS 4 (Android 14); Android 14 Upside-down cake MIUI 14 (Android 14)
Updates: OS updates: 3 years, Security updates: 4 years; OS updates: 2 years, Security updates: 3 years
Google services: Without 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; Bluetooth 4.2 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile), APT-x, LDAC, SBC, AAC; 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: Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, Wi-Fi MiMO; Wi-Fi Hotspot, Wi-Fi Direct
USB: USB Type-C; —
USB features: Charging, OTG; Charging, OTG
Navigation: GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo; GPS, A-GPS, GLONASS, Beidou

5G: n1 (2100), n5 (850), n8 (900), n28a (700), n38 (2600), n41 (2500), n77 (3700), n78 (3500); —
4G LTE: B1 (2100), B3 (1800), B5 (850), B8 (900), B28a (700), B34 (TDD 2100), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500); 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), B5 (850), B8 (900); B1 (2100), B5 (850), B8 (900)
2G: CDMA BC0 (800), B3 (1800), B5 (850), B8 (900); B2 (1900), B3 (1800), B5 (850), B8 (900)