Ulefone Armor 18T Ultra vs Vivo Y31 5G

At a glance

Brand: Ulefone; vivo
Release date: October 2023, 2 years 8 months ago; September 2025, 9 months ago
AnTuTu: 545.343 Antutu v10 Overall performance better than 74% of devices; 456.552 Antutu v10 Overall performance better than 71% of devices

Size: 6.58"; 6.68"
Resolution: 1080 x 2408 px FHD+; 720 x 1608 px HD+
Type: LCD IPS; LCD IPS
Density: 401 ppi Very high density; 264 ppi Medium Density
Aspect ratio: 20:9; 20:9
Features: Water Drop Notch, Refresh rate 120 Hz, Touch sampling rate 240 Hz, LED Notifications, Scratch resistant, Corning Gorilla Glass 5, Capacitive, Multi-touch, 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

Chipset: MediaTek Dimensity 7050 (MT6877); Qualcomm Snapdragon 4 Gen 2 (SM4450)
CPU: 2x2.6 GHz ARM Cortex A78+6x 2.0 GHz ARM Cortex A55; 2x2.2 GHz Cortex A76 +6x 2.0 GHz Cortex A55
CPU type: Octa-Core; Octa-Core
Process: 6 nm; 4 nm
Frequency: 2.6 GHz; 2.2 GHz
GPU: Mali-G68 MC4; Qualcomm Adreno
RAM: 12 GB; 4 GB
RAM type: LPDDR4X RAM; LPDDR4X RAM
64-bit: Yes; Yes

Resolution: 108 Mpx; 50 Mpx
Aperture: Unknow; ƒ/ 1.8
Sensor: Samsung S5KHM2; —
Pixel size: 0.70 µm; —
Sensor size: 1/1.52"; —
Flash: Hexa Led; LED
Optical stabilization: No; No
Slow motion: No, 30 fps; Yes, 120 fps
Features: Flicker sensor, 4K Video, Digital zoom, Triple camera, 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; 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

Capacity: 512 GB; 128 GB
Type: UFS Storage 2.1; eMMC 5.1 Storage
SD slot: Yes , Slot for SD or second SIM card; Yes , Slot for SD or second SIM card

Dimensions: 83.4 mm 175.2 mm 18.8 mm Print 3D Model; 77.0 mm 166.1 mm 8.4 mm Print 3D Model
Weight: 409 g; 209 g
Materials: Rugged Smartphone, Polycarbonate; Plastic
Colors: Black; Red Green
Water/dust resistance: IP68, MIL-STD-810G , IP69; IP64 , MIL-STD-810H
Drop resistance: Class A B C D E 270 drops without defects; —
Repairability: Class A B C D E; —
Usable surface: 71 %; 83 %

Operating system: Android 12 Snow Cone Android 12; Android 15 Funtouch OS 15 (Android 15)
Google services: With Google Mobile Services; With Google Mobile Services

SIM: Dual SIM Dual Standby (Micro SIM + Nano SIM); Dual SIM Dual Standby (Nano SIM + Nano SIM)
Bluetooth: Bluetooth 5.0 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), 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, 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; 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 (L1+L5); GPS, A-GPS, GLONASS, Beidou, QZSS

5G: n1 (2100), n2 (1900 PCS), n3 (1800), n5 (850), n7 (2600), n8 (900), n12 (700), n20 (800), n25 (1900), n28b (700), n28a (700), n38 (2600), n40 (2300), n41 (2500), n66 (1700), n71 (600), n77 (3700), n78 (3500), n79 (4700); n1 (2100), n3 (1800), n5 (850), n8 (900), n28b (700), n40 (2300), n77 (3700), n78 (3500)
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), 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), B8 (900), B28b (700), 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: CDMA BC0 (800), CDMA BC1 (1900), CDMA BC10 (800 Secondary), B2 (1900), B3 (1800), B5 (850), B8 (900); B3 (1800), B5 (850), B8 (900)