blu B9 vs Oukitel C57S

At a glance

Brand: BLU; Oukitel
Release date: April 2022, 4 years 1 months ago; October 2024, 1 years 7 months ago
AnTuTu: 104.325 Antutu v9 Overall performance better than 51% of devices; 154.110 Antutu v10 Overall performance better than 54% of devices

Size: 6.52"; 6.52"
Resolution: 720 x 1600 px HD+; 720 x 1612 px HD+
Type: LCD IPS; LCD IPS
Density: 264 ppi Medium Density; 267 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, Brightnes 400 cd/m² (typ), Corning Gorilla Glass 5, Capacitive, Multi-touch, Frameless

Chipset: Spreadtrum Unisoc SC9863; Spreadtrum Unisoc SC9863A
CPU: 4x Cortex A55 1.3 GHz + 4x Cortex A55 1.2 GHz; 4x Cortex A55 1.6 GHz + 4x Cortex A55 1.2 GHz
CPU type: Octa-Core; Octa-Core
Process: 28 nm; 28 nm
Frequency: 1.3 GHz; 1.6 GHz
GPU: PowerVR GE8322; PowerVR GE8322
RAM: 4 GB; 2 GB
RAM type: LPDDR4X RAM; —
64-bit: Yes; Yes

Resolution: 13 Mpx; 13 Mpx
Aperture: ƒ/ 2.2; ƒ/ 2.3
Pixel size: 1.12 µm; —
Flash: LED; Dual LED
Optical stabilization: No; No
Slow motion: Yes, 90 fps; No, 30 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; Dual camera, Autofocus, Touch focus, Geotagging, HDR, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer

Dimensions: 75.9 mm 164.4 mm 9.6 mm Print 3D Model; 76.3 mm 166.0 mm 9.4 mm Print 3D Model
Weight: 198 g; 215 g
Materials: Plastic; Plastic
Colors: Blue Gray; Blue Gray Purple Green
Usable surface: 80 %; 82 %
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 4.2 LELow energy consumption; Bluetooth 4.2 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)
Wi-Fi: 802.11b , 802.11g , 802.11n; 802.11b , 802.11g , 802.11n , 802.11n 5GHz
Wi-Fi features: Wi-Fi Hotspot, Wi-Fi Direct; Wi-Fi Hotspot
USB features: Charging, OTG; Charging, OTG
Navigation: GPS, A-GPS, GLONASS, Beidou; GPS, A-GPS, GLONASS, Beidou

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), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500)
3G: B1 (2100), 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); B2 (1900), B3 (1800), B5 (850), B8 (900)