blu B9 vs Oppo A57s

At a glance

Brand: BLU; Oppo
Release date: April 2022, 4 years 1 months ago; August 2022, 3 years 9 months ago
AnTuTu: 104.325 Antutu v9 Overall performance better than 51% of devices; 110.000 Antutu v8 Overall performance better than 51% of devices

Size: 6.52"; 6.56"
Resolution: 720 x 1600 px HD+; 720 x 1612 px HD+
Type: LCD IPS; LCD IPS
Density: 264 ppi Medium Density; 269 ppi Medium Density
Aspect ratio: 20:9; 20:9
Features: Water Drop Notch, Max brightness HBM - 480 cd/m², Scratch resistant, Corning Gorilla Glass 3, 2.5D curved glass screen, Capacitive, Multi-touch, Frameless; Water Drop Notch, Refresh rate 120 Hz, Brightnes 480 cd/m² (typ), Max brightness HBM - 600 cd/m², 1500:1 contrast ratio, DCI-P3, 96% NTSC, Scratch resistant, 2.5D curved glass screen, Panda glass, Capacitive, Multi-touch, Frameless

Resolution: 13 Mpx; 50 Mpx
Aperture: ƒ/ 2.2; ƒ/ 1.8
Pixel size: 1.12 µm; —
Flash: LED; LED
Optical stabilization: No; No
Slow motion: Yes, 90 fps; Yes, 120 fps
Features: Digital zoom, Triple camera, Autofocus, Touch focus, Continuous shooting, Geotagging, 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: 128 GB; 64 GB
Type: eMMC 5.1 Storage; eMMC 5.1 Storage
SD slot: Yes , Slot for SD or second SIM card; Yes , Slot for SD or second SIM card

Dimensions: 75.9 mm 164.4 mm 9.6 mm Print 3D Model; 75.0 mm 163.8 mm 8.0 mm Print 3D Model
Weight: 198 g; 187 g
Materials: Plastic; Plastic
Colors: Blue Gray; Black Blue
Usable surface: 80 %; 82 %
Water/dust resistance: —; IP54

Operating system: Android 11 Red Velvet Cake Android 11; 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 4.2 LELow energy consumption; Bluetooth 5.3 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), LE (Low Energy); A2DP (Advanced Audio Distribution Profile), LE (Low Energy), APT-x, LDAC, SBC, AAC
Wi-Fi: 802.11b , 802.11g , 802.11n; 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac
Wi-Fi features: Wi-Fi Hotspot, Wi-Fi Direct; Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display
USB features: Charging, OTG; Charging, OTG
Navigation: GPS, A-GPS, GLONASS, Beidou; GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo
USB: —; USB Type-C

4G LTE: B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B12 (700), B17 (700), B20 (800), B26 (850), B28b (700), B28a (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500), B66 (1700/2100); 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), 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)