blu F91 5G vs Ulefone Armor 21

At a glance

Brand: BLU; Ulefone
Release date: April 2022, 4 years 1 months ago; May 2023, 3 years ago
AnTuTu: 439.600 Antutu v10 Overall performance better than 70% of devices; 411.900 Antutu v10 Overall performance better than 68% of devices

Size: 6.8"; 6.58"
Resolution: 1080 x 2460 px FHD+; 1080 x 2408 px FHD+
Type: LCD IPS; LCD IPS
Density: 395 ppi High Density; 367 ppi High Density
Aspect ratio: 21:9; 20:9
Features: Hole-punch Notch, 2.5D curved glass screen, Capacitive, Multi-touch, Frameless; Water Drop Notch, Refresh rate 120 Hz, Touch sampling rate 240 Hz, Color LED Notifications, Scratch resistant, Capacitive, Multi-touch, Oleophobic coating

Chipset: MediaTek Dimensity 810 (MT6873); MediaTek Helio G99 (MT6789)
CPU: 2x Cortex A76 2.4 GHz + 6x Cortex A55 2.0 GHz; 2x Cortex A76 2.2 GHz + 6x Cortex A55 2.0 GHz
CPU type: Octa-Core; Octa-Core
Process: 6 nm; 6 nm
Frequency: 2.4 GHz; 2.2 GHz
GPU: Mali-G57 MC2; Mali-G57 MC2
RAM: 8 GB; 8 GB
RAM type: LPDDR4X RAM; LPDDR4X RAM
64-bit: Yes; Yes

Resolution: 48 Mpx; 64 Mpx
Aperture: ƒ/ 1.8; ƒ/ 1.9
Pixel size: 0.80 µm; 0.80 µm
Flash: No; Dual LED
Optical stabilization: No; No
Slow motion: No, 30 fps; No, 30 fps
Features: Digital zoom, Quadruple camera, Autofocus, Touch focus, Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, Night Mode; Digital zoom, 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
Sensor: —; Sony IMX686 Exmor RS
Sensor size: —; 1/1.7"

Dimensions: 76.8 mm 168.7 mm 8.9 mm Print 3D Model; 81.6 mm 176.0 mm 18.1 mm Print 3D Model
Weight: 204 g; 400 g
Materials: Plastic; Rugged Smartphone, Polycarbonate
Usable surface: 84 %; 77 %
Colors: —; Black
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 13 Tiramisu Android 13
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 5.0; 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: 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; GPS, A-GPS, GLONASS, Beidou, Galileo

5G: n2 (1900 PCS), n5 (850), n25 (1900), n41 (2500), n66 (1700), n71 (600), n77 (3700); —
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), B17 (700), B18 (800), B19 (800), B20 (800), B28b (700), B28a (700), B34 (TDD 2100), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500), B66 (1700/2100)
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), B8 (900)
2G: B2 (1900), B3 (1800), B5 (850), B8 (900); CDMA BC0 (800), CDMA BC1 (1900), B2 (1900), B3 (1800), B5 (850), B8 (900)