Ulefone Armor X12 vs Vivo Y31e 5G

At a glance

Brand: Ulefone; vivo
Release date: July 2023, 2 years 11 months ago; September 2025, 9 months ago
AnTuTu: 92.000 Antutu v9 Overall performance better than 50% of devices; 456.552 Antutu v10 Overall performance better than 71% of devices

Size: 5.45"; 6.72"
Resolution: 720 x 1440 px HD+; 1080 x 2408 px FHD+
Type: LCD IPS; LCD IPS
Density: 250 ppi Medium Density; 393 ppi High Density
Aspect ratio: 18:9; 20:9
Features: Without Notch, Capacitive, Multi-touch, Frameless, Oleophobic coating; Hole-punch Notch, SGS Certified, Refresh rate 120 Hz, Max brightness HBM - 1000 cd/m², 1500:1 contrast ratio, Color LED Notifications, Scratch resistant, 2.5D curved glass screen, Capacitive, Frameless

Resolution: 13 Mpx; 50 Mpx
Aperture: ƒ/ 2.2; ƒ/ 1.8
Sensor: Sony IMX214 Exmor RS; —
Pixel size: 1.12 µm; —
Sensor size: 1/3.06"; —
Flash: Dual LED; LED
Optical stabilization: No; No
Slow motion: No, 30 fps; Yes, 120 fps
Features: Digital zoom, Autofocus, Touch focus, Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer; Flicker sensor, Digital zoom, Dual camera, Digital image stabilization, Autofocus, Touch focus, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer

Dimensions: 76.8 mm 157.2 mm 14.3 mm Print 3D Model; 77.0 mm 166.1 mm 8.4 mm Print 3D Model
Weight: 257 g; 209 g
Materials: Rugged Smartphone, Polycarbonate; Plastic
Colors: Black Green Orange; Black White
Water/dust resistance: IP68, IP69 , MIL-STD-810H; IP68, IP69 , MIL-STD-810H
Drop resistance: Class A B C D E 270 drops without defects; Class A B C D E 180 drops without defects
Repairability: Class A B C D E; Class A B C D E
Usable surface: 88 %; 83 %

Operating system: Android 13 Tiramisu Android 13 Go Edition; Android 15 Funtouch OS 15 (Android 15)
Google services: With Google Mobile Services; With Google Mobile Services
Updates: —; OS updates: 5 years

SIM: Dual SIM Dual Standby (Nano SIM + Nano SIM); Dual SIM Dual Standby (Nano SIM + Nano SIM)
Bluetooth: Bluetooth 5.0 LELow energy consumption; Bluetooth 5.1 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile), LE (Low Energy); A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), HID (Human Interface Profile), LE (Low Energy), APT-x, SBC
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
Wi-Fi features: Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display; 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, Galileo; GPS, A-GPS, GLONASS, Beidou, QZSS

4G LTE: B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B12 (700), B17 (700), B18 (800), B19 (800), B20 (800), B28a (700); B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B20 (800), 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), B8 (900); B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B8 (900)
2G: B2 (1900), B3 (1800), B5 (850), B8 (900); B2 (1900), B3 (1800), B5 (850), B8 (900)
5G: —; n1 (2100), n3 (1800), n5 (850), n7 (2600), n8 (900), n20 (800), n28b (700), n28a (700), n38 (2600), n40 (2300), n41 (2500), n66 (1700), n77 (3700), n78 (3500)