Blackview BV4900S vs Ulefone Armor 21

At a glance

Brand: Blackview; Ulefone
Release date: October 2021, 4 years 7 months ago; May 2023, 3 years ago
AnTuTu: 114.300 Antutu v9 Overall performance better than 52% of devices; 411.900 Antutu v10 Overall performance better than 68% of devices

Size: 5.7"; 6.58"
Resolution: 720 x 1440 px HD+; 1080 x 2408 px FHD+
Type: LCD IPS; LCD IPS
Density: 282 ppi Medium Density; 367 ppi High Density
Aspect ratio: 18:9; 20:9
Features: Without Notch, Scratch resistant, Dragontrail glass, Capacitive, Multi-touch; Water Drop Notch, Refresh rate 120 Hz, Touch sampling rate 240 Hz, Color LED Notifications, Scratch resistant, Capacitive, Multi-touch, Oleophobic coating

Chipset: Spreadtrum Unisoc SC9863A; MediaTek Helio G99 (MT6789)
CPU: 4x Cortex A55 1.6 GHz + 4x Cortex A55 1.2 GHz; 2x Cortex A76 2.2 GHz + 6x Cortex A55 2.0 GHz
CPU type: Octa-Core; Octa-Core
Process: 28 nm; 6 nm
Frequency: 1.6 GHz; 2.2 GHz
GPU: PowerVR GE8322; Mali-G57 MC2
RAM: 2 GB; 8 GB
RAM type: LPDDR3 RAM; LPDDR4X RAM
64-bit: Yes; Yes

Resolution: 8 Mpx; 64 Mpx
Aperture: ƒ/ 2.4; ƒ/ 1.9
Sensor: Sony IMX134 Exmor RS; Sony IMX686 Exmor RS
Pixel size: 1.12 µm; 0.80 µm
Sensor size: 1/4"; 1/1.7"
Flash: LED; Dual LED
Optical stabilization: No; No
Slow motion: No, 30 fps; No, 30 fps
Features: Digital zoom, Autofocus, Touch focus, Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer; 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

Dimensions: 78.1 mm 157.5 mm 13.7 mm Print 3D Model; 81.6 mm 176.0 mm 18.1 mm Print 3D Model
Weight: 261 g; 400 g
Materials: Rugged Smartphone, Polycarbonate; Rugged Smartphone, Polycarbonate
Colors: Black Yellow Green Orange; Black
Water/dust resistance: IP68, MIL-STD-810G; IP68, IP69 , MIL-STD-810H
Usable surface: 68 %; 77 %
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: Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display; Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display
USB features: Charging, OTG; Charging, OTG
Navigation: GPS, A-GPS, GLONASS, Beidou, Galileo; GPS, A-GPS, GLONASS, Beidou, Galileo
USB: —; USB Type-C

4G LTE: B1 (2100), B3 (1800), B7 (2600), B8 (900), B20 (800), B40 (TDD 2300); 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), B8 (900); 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)