Sharp Aquos R8 vs Ulefone Armor X31

At a glance

Brand: Sharp; Ulefone
Release date: September 2023, 2 years 9 months ago; March 2025, 1 years 3 months ago
AnTuTu: 1.751.875 Antutu v11 Overall performance better than 91% of devices; 269.000 Antutu v10 Overall performance better than 60% of devices

Size: 6.39"; 6.56"
Resolution: 1260 x 2730 px; 720 x 1612 px HD+
Type: IGZO; LCD IPS
Density: 456 ppi Very high density; 269 ppi Medium Density
Aspect ratio: 19.5:9; 20:9
Features: Hole-punch Notch, Rich Color, Touch sampling rate 240 Hz, Peak brightness - 2000 cd/m², 20000000:1 contrast ratio, Dolby Vision, Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass Victus, 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: Qualcomm Snapdragon 8 Gen2; MediaTek Helio G91
CPU: 1x3.2GHz Cortex X3 + 2x2.8 GHz Cortex A715 + 2x2.8 GHz Cortex A710 + 3x2.02 GHz Cortex A510; 2x Cortex A75 2.0 GHz + 6x Cortex A55 1.8 GHz
CPU type: Octa-Core; Octa-Core
Process: 4 nm; 12 nm
Frequency: 3.2 GHz; 2 GHz
GPU: Qualcomm Adreno 740; Arm Mali-G52 MC2 850MHz
RAM: 12 GB; 6 GB
RAM type: RAM LPDDR5X; LPDDR4X RAM
64-bit: Yes; Yes

Resolution: 50 Mpx; 48 Mpx
Aperture: ƒ/ 1.9; ƒ/ 1.9
Sensor: Omnivision OV50A; —
Pixel size: 1.00 µm; —
Sensor size: 1/1.55"; —
Flash: Dual LED; Dual LED
Optical stabilization: No; No
Slow motion: Yes, 240 fps; Yes, 120 fps
Features: 4K Video, Digital zoom, Dual 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; 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: 74.0 mm 159.0 mm 8.7 mm Print 3D Model; 82.0 mm 173.8 mm 13.7 mm Print 3D Model
Weight: 208 g; 306 g
Materials: Aluminium alloy; Rugged Smartphone, Polycarbonate
Colors: Gold Cyan; Black Green Orange
Water/dust resistance: IP65 , IP68; IP68, IP69 , MIL-STD-810H
Usable surface: 86 %; 72 %
Drop resistance: —; Class A B C D E 270 drops without defects
Repairability: —; Class A B C D E

Operating system: Android 13 Tiramisu Android 13; Android 14 Upside-down cake Android 14
Google services: With Google Mobile Services; With Google Mobile Services

SIM: Dual SIM Dual Standby (Nano SIM + eSIM); Dual SIM Dual Standby (Nano SIM + Nano SIM)
Bluetooth: Bluetooth 5.3 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, 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; 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), n20 (800), n28b (700), n28a (700), n41 (2500), n78 (3500), n79 (4700); —
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), 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), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B8 (900), B34 (TD 2000), B39 (TD 1900+); B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B6 (800), B8 (900), B19 (800)
2G: CDMA BC0 (800), CDMA BC1 (1900), B2 (1900), B3 (1800), B5 (850), B8 (900); B2 (1900), B3 (1800), B5 (850), B8 (900)