blu Bold N2 vs Ulefone Armor X31 Pro 5G

At a glance

Brand: BLU; Ulefone
Release date: August 2022, 3 years 9 months ago; December 2024, 1 years 5 months ago
AnTuTu: 396.439 Antutu v9 Overall performance better than 65% of devices; 406.666 Antutu v10 Overall performance better than 66% of devices

Size: 6.6"; 6.56"
Resolution: 1080 x 2340 px FHD+; 720 x 1612 px HD+
Type: AMOLED; LCD IPS
Density: 390 ppi High Density; 269 ppi Medium Density
Aspect ratio: 19.5:9; 20:9
Features: Hole-punch Notch, Refresh rate 90 Hz, Dual Edge display, Corning Gorilla Glass 5, 3D 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 810 (MT6873); MediaTek Dimensity 6300
CPU: 2x Cortex A76 2.4 GHz + 6x Cortex A55 2.0 GHz; 2x2.4 GHz ARM Cortex A76 +6x2.0 GHz ARM Cortex A55
CPU type: Octa-Core; Octa-Core
Process: 6 nm; 6 nm
Frequency: 2.4 GHz; 2.4 GHz
GPU: Mali-G57 MC2; Arm Mali-G57 MC2
RAM: 8 GB; 8 GB
RAM type: LPDDR4X RAM; LPDDR4X RAM
64-bit: Yes; Yes

Resolution: 64 Mpx; 64 Mpx
Aperture: ƒ/ 1.79; ƒ/ 1.9
Sensor: Omnivision OV64B; Sony IMX682 Exmor RS
Pixel size: 0.70 µm; 0.80 µm
Sensor size: 1/2"; 1/1.7"
Flash: LED; Dual LED
Optical stabilization: No; No
Slow motion: Yes, 120 fps; Yes, 120 fps
Features: Digital zoom, Quintuple camera, Digital image stabilization, Autofocus, Touch focus, Phase detection autofocus (PDAF), Dual front camera, 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: 74.1 mm 158.7 mm 8.6 mm Print 3D Model; 82.0 mm 173.8 mm 13.7 mm Print 3D Model
Weight: 180 g; 306 g
Materials: Plastic; Rugged Smartphone, Polycarbonate
Colors: Black Green; Black Green Orange
Usable surface: 90 %; 72 %
Water/dust resistance: —; IP68, IP69 , MIL-STD-810H
Drop resistance: —; Class A B C D E 270 drops without defects
Repairability: —; Class A B C D E

Operating system: Android 11 Red Velvet Cake Android 11; Android 14 Upside-down cake Android 14
Google services: With 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 5.1; Bluetooth 5.2 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile); 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; GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo, NavIC System

5G: n2 (1900 PCS), n5 (850), n25 (1900), n41 (2500), n66 (1700), n71 (600), n78 (3500); n1 (2100), n2 (1900 PCS), n3 (1800), n5 (850), n7 (2600), n8 (900), n20 (800), n25 (1900), n28b (700), n28a (700), n38 (2600), n40 (2300), n41 (2500), n66 (1700), n71 (600), n77 (3700), n78 (3500), n79 (4700)
4G LTE: B2 (1900), B4 (1700/2100 AWS 1), B5 (850), B12 (700), B13 (700), B17 (700), B25 (1900+), B26 (850), B41 (TDD 2500), B66 (1700/2100), B71 (600); 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); B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B6 (800), B8 (900), B19 (800)
2G: B2 (1900), B3 (1800), B5 (850), B8 (900); B2 (1900), B3 (1800), B5 (850), B8 (900)