realme 12x vs Ulefone Armor X31

At a glance

Brand: realme; Ulefone
Release date: March 2024, 2 years 4 months ago; March 2025, 1 years 4 months ago
Launch price: CN¥ 1,399.00 ($ 204.59); —
AnTuTu: 442.599 Antutu v10 Overall performance better than 70% of devices; 269.000 Antutu v10 Overall performance better than 60% of devices

Size: 6.67"; 6.56"
Resolution: 720 x 1604 px HD+; 720 x 1612 px HD+
Type: LCD IPS; LCD IPS
Density: 264 ppi Medium Density; 269 ppi Medium Density
Aspect ratio: 20:9; 20:9
Features: Hole-punch Notch, TUV Rheinland Low Blue Light, Refresh rate 120 Hz, Touch sampling rate 240 Hz, Brightnes 625 cd/m² (typ), Scratch resistant, 2.5D curved glass screen, Capacitive, Multi-touch, Frameless; 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

Chipset: MediaTek Dimensity 6100+; MediaTek Helio G91
CPU: 2x2.2 GHz ARM Cortex A76 +6x2.0 GHz ARM Cortex A55; 2x Cortex A75 2.0 GHz + 6x Cortex A55 1.8 GHz
CPU type: Octa-Core; Octa-Core
Process: 6 nm; 12 nm
Frequency: 2.2 GHz; 2 GHz
GPU: ARM Mali-G57 MC2; Arm Mali-G52 MC2 850MHz
RAM: 12 GB; 6 GB
RAM type: LPDDR4X RAM; LPDDR4X RAM
64-bit: Yes; Yes

Resolution: 50 Mpx; 48 Mpx
Aperture: ƒ/ 1.8; ƒ/ 1.9
Flash: LED; Dual LED
Optical stabilization: No; No
Slow motion: Yes, 120 fps; Yes, 120 fps
Features: Digital zoom, Dual camera, Digital image stabilization, Autofocus, Touch focus, Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer; 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

Dimensions: 75.4 mm 162.9 mm 7.9 mm Print 3D Model; 82.0 mm 173.8 mm 13.7 mm Print 3D Model
Weight: 190 g; 306 g
Materials: Plastic , Splash resistant design; Rugged Smartphone, Polycarbonate
Colors: Black Gold; Black Green Orange
Water/dust resistance: IP54; IP68, IP69 , MIL-STD-810H
Usable surface: 85 %; 72 %
Drop resistance: —; Class A B C D E 270 drops without defects
Repairability: —; Class A B C D E

Operating system: Android 14 Upside-down cake RealmeUI 5.0 (Android 14); Android 14 Upside-down cake Android 14
Updates: 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 5.2 LELow energy consumption; Bluetooth 5.2 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile), LE (Low Energy); A2DP (Advanced Audio Distribution Profile), LE (Low Energy)
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: Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display; 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, Galileo, NavIC System

5G: n1 (2100), n3 (1800), n5 (850), n8 (900), n28a (700), n40 (2300), 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), 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)
3G: B1 (2100), B5 (850), B8 (900); B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B6 (800), B8 (900), B19 (800)
2G: CDMA BC0 (800), B2 (1900), B3 (1800), B5 (850), B8 (900); B2 (1900), B3 (1800), B5 (850), B8 (900)