Ulefone Armor X31 vs Vivo iQOO Z9x

At a glance

Brand: Ulefone; vivo
Release date: March 2025, 1 years 3 months ago; April 2024, 2 years 2 months ago
AnTuTu: 269.000 Antutu v10 Overall performance better than 60% of devices; 515.000 Antutu v10 Overall performance better than 73% of devices

Size: 6.56"; 6.72"
Resolution: 720 x 1612 px HD+; 1200 x 2809 px QHD
Type: LCD IPS; LCD IPS
Density: 269 ppi Medium Density; 455 ppi Very high density
Aspect ratio: 20:9; 20:9
Features: Hole-punch Notch, Refresh rate 120 Hz, Touch sampling rate 240 Hz, Max brightness HBM - 800 cd/m², Scratch resistant, Corning Gorilla Glass 5, Capacitive, Multi-touch, Oleophobic coating; Hole-punch Notch, 3840 Hz PWM, Refresh rate 120 Hz, Touch sampling rate 300 Hz, Peak brightness - 1000 cd/m², Peak brightness - 4500 cd/m², 1400:1 contrast ratio, TÜV Rheinland Eye Comfort Certification, HDR10+, DCI-P3, DC dimming, 105% NTSC, Scratch resistant, 3D curved glass screen, Capacitive, Multi-touch, Frameless

Chipset: MediaTek Helio G91; Qualcomm Snapdragon 6 Gen1
CPU: 2x Cortex A75 2.0 GHz + 6x Cortex A55 1.8 GHz; 4x2.2GHz Cortex A78 + 4x1.80GHz Cortex A55
CPU type: Octa-Core; Octa-Core
Process: 12 nm; 4 nm
Frequency: 2 GHz; 2.2 GHz
GPU: Arm Mali-G52 MC2 850MHz; Adreno 710
RAM: 6 GB; 8 GB
RAM type: LPDDR4X RAM; LPDDR4X RAM
64-bit: Yes; Yes

Resolution: 48 Mpx; 50 Mpx
Aperture: ƒ/ 1.9; ƒ/ 1.8
Flash: Dual LED; Dual LED
Optical stabilization: No; No
Slow motion: Yes, 120 fps; Yes, 240 fps
Features: Digital zoom, Triple camera, Digital image stabilization, Autofocus, Touch focus, Phase detection autofocus (PDAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, Night Mode, Night Vision; 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
Sensor: —; Samsung S5KJN1
Pixel size: —; 0.64 µm
Sensor size: —; 1/2.76"

Dimensions: 82.0 mm 173.8 mm 13.7 mm Print 3D Model; 76.0 mm 165.7 mm 8.0 mm Print 3D Model
Weight: 306 g; 199 g
Materials: Rugged Smartphone, Polycarbonate; Plastic
Colors: Black Green Orange; Black Green
Water/dust resistance: IP68, IP69 , MIL-STD-810H; IP64
Drop resistance: Class A B C D E 270 drops without defects; —
Repairability: Class A B C D E; —
Usable surface: 72 %; 83 %

Operating system: Android 14 Upside-down cake Android 14; Android 14 Upside-down cake Funtouch OS 14 (Android 14)
Google services: With Google Mobile Services; With Google Mobile Services
Updates: —; OS updates: 3 years, Security updates: 4 years

SIM: Dual SIM Dual Standby (Nano SIM + Nano SIM); Dual SIM Dual Standby (Nano SIM + Nano SIM)
Bluetooth: Bluetooth 5.2 LELow energy consumption; Bluetooth 5.1
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile), LE (Low Energy); A2DP (Advanced Audio Distribution Profile), APT-x, 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: Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display; 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, QZSS, Galileo, NavIC System; GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo

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), B18 (800), B19 (800), B20 (800), B25 (1900+), B26 (850), B28b (700), B28a (700), B32 (1500), B34 (TDD 2100), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500), B66 (1700/2100), B71 (600); B1 (2100), B3 (1800), B5 (850), B7 (2600), B8 (900), B20 (800), B28b (700), B28a (700), B34 (TDD 2100), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500)
3G: B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B6 (800), B8 (900), B19 (800); B1 (2100), B5 (850), B8 (900)
2G: B2 (1900), B3 (1800), B5 (850), B8 (900); B3 (1800), B5 (850), B8 (900)
5G: —; n1 (2100), n8 (900), n28b (700), n28a (700), n38 (2600), n40 (2300), n41 (2500), n77 (3700), n78 (3500)