Blackview BV4900 vs Oppo A57 4G

At a glance

Brand: Blackview; Oppo
Release date: September 2020, 5 years 8 months ago; May 2022, 4 years ago
AnTuTu: 61.000 Antutu v8 Overall performance better than 50% of devices; 110.000 Antutu v8 Overall performance better than 51% of devices

Size: 5.7"; 6.56"
Resolution: 720 x 1440 px HD+; 720 x 1612 px HD+
Type: LCD IPS; LCD IPS
Density: 282 ppi Medium Density; 269 ppi Medium Density
Aspect ratio: 18:9; 20:9
Features: Without Notch, Scratch resistant, Dragontrail glass, Capacitive, Multi-touch; Hole-punch Notch, Brightnes 480 cd/m² (typ), Max brightness HBM - 550 cd/m², 1500:1 contrast ratio, DCI-P3, 70% NTSC, 96% NTSC, Scratch resistant, 2.5D curved glass screen, Capacitive, Multi-touch, Frameless

Resolution: 8 Mpx; 13 Mpx
Aperture: ƒ/ 2.4; ƒ/ 2.2
Sensor: Sony IMX134 Exmor RS; —
Pixel size: 1.12 µm; —
Sensor size: 1/4"; —
Flash: LED; LED
Optical stabilization: No; No
Slow motion: No, 30 fps; Yes, 120 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; Triple camera, Digital image stabilization, Autofocus, Touch focus, Manual focus, Phase detection autofocus (PDAF), Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer

Capacity: 32 GB; 64 GB
Type: eMMC 5.1 Storage; —
SD slot: Yes , Slot for SD or second SIM card; Yes , Slot for SD or second SIM card

Dimensions: 78.1 mm 157.5 mm 13.7 mm Print 3D Model; 75.0 mm 163.7 mm 8.0 mm Print 3D Model
Weight: 261 g; 187 g
Materials: Rugged Smartphone, Polycarbonate; Plastic
Colors: Black Yellow Green Orange; Black Green
Water/dust resistance: IP68, MIL-STD-810G; IP54
Usable surface: 68 %; 82 %

Operating system: Android 10 Q Android 10; Android 12 Snow Cone ColorOS 12.1 (Android 12)
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 5.1 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile); A2DP (Advanced Audio Distribution Profile), LE (Low Energy), APT-x, LDAC, SBC, AAC
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, QZSS, Galileo
USB: —; USB Type-C

4G LTE: B1 (2100), B3 (1800), B7 (2600), B8 (900), B20 (800), B40 (TDD 2300); B1 (2100), B3 (1800), B5 (850), B7 (2600), B8 (900), B20 (800), B28b (700), B28a (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500)
3G: B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B8 (900); B1 (2100), B5 (850), B8 (900)
2G: B2 (1900), B3 (1800), B5 (850), B8 (900); B2 (1900), B3 (1800), B5 (850), B8 (900)