blu B9 vs Xiaomi Redmi K40S

At a glance

Brand: BLU; Xiaomi
Release date: April 2022, 4 years 1 months ago; March 2022, 4 years 2 months ago
AnTuTu: 104.325 Antutu v9 Overall performance better than 51% of devices; 785.648 Antutu v10 Overall performance better than 80% of devices

Size: 6.52"; 6.67"
Resolution: 720 x 1600 px HD+; 1080 x 2400 px FHD+
Type: LCD IPS; AMOLED Samsung E4
Density: 264 ppi Medium Density; 395 ppi High 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; Hole-punch Notch, Refresh rate 120 Hz, Touch sampling rate 360 Hz, Peak brightness - 1300 cd/m², Max brightness HBM - 900 cd/m², 5000000:1 contrast ratio, Always-On Display, HDR10+, DCI-P3, MEMC, Dolby Vision, Scratch resistant, Corning Gorilla Glass 5, Capacitive, Multi-touch, Frameless

Chipset: Spreadtrum Unisoc SC9863; Qualcomm Snapdragon 870 (SM8250-AC)
CPU: 4x Cortex A55 1.3 GHz + 4x Cortex A55 1.2 GHz; 1x Cortex A77 3.20 GHz + 3x Cortex A77 2.4 GHz + 4x Cortex A55 1.8 GHz
CPU type: Octa-Core; Octa-Core
Process: 28 nm; 7 nm
Frequency: 1.3 GHz; 3.2 GHz
GPU: PowerVR GE8322; Qualcomm Adreno 650
RAM: 4 GB; 6 GB
RAM type: LPDDR4X RAM; RAM LPDDR5
64-bit: Yes; Yes

Resolution: 13 Mpx; 48 Mpx
Aperture: ƒ/ 2.2; ƒ/ 1.79
Pixel size: 1.12 µm; 0.60 µm
Flash: LED; LED
Optical stabilization: No; Yes
Slow motion: Yes, 90 fps; Yes, 960 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; 4K Video, Digital zoom, Triple camera, Digital image stabilization, Optical Stabilization (OIS), Ultra stable video, Autofocus, Touch focus, Continuous autofocus, Manual focus, Phase detection autofocus (PDAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, RAW, Night Mode
Sensor: —; Sony IMX582 Exmor RS
Sensor size: —; 1/2.96"

Dimensions: 75.9 mm 164.4 mm 9.6 mm Print 3D Model; 75.9 mm 163.2 mm 7.7 mm Print 3D Model
Weight: 198 g; 195 g
Materials: Plastic; Plastic
Colors: Blue Gray; Black Blue Silver Green
Usable surface: 80 %; 86 %
Water/dust resistance: —; IP53

Operating system: Android 11 Red Velvet Cake Android 11; Android 14 Upside-down cake HyperOS (Android 14)
Google services: With Google Mobile Services; Without 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 5.2 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), LDAC, SBC, AAC
Wi-Fi: 802.11b , 802.11g , 802.11n; 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac, WiFi 6 (802.11ax)
Wi-Fi features: Wi-Fi Hotspot, Wi-Fi Direct; Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, Wi-Fi MiMO
USB features: Charging, OTG; Charging, OTG
Navigation: GPS, A-GPS, GLONASS, Beidou; A-GPS, GLONASS, Beidou, QZSS, Galileo, GPS (L1+L5), GLONASS (L1), BeiDou (B1), Galileo (E1+E5a), BeiDou (B2), NavIC System, QZSS (L1 + L5)
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), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B8 (900), B18 (800), B19 (800), B26 (850), B34 (TDD 2100), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500), B42 (TDD 3500)
3G: B1 (2100), B5 (850), B8 (900); B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B6 (800), B8 (900), B19 (800)
2G: B2 (1900), B3 (1800), B5 (850), B8 (900); CDMA BC0 (800), B2 (1900), B3 (1800), B5 (850), B8 (900)
5G: —; n1 (2100), n3 (1800), n5 (850), n8 (900), n28a (700), n38 (2600), n40 (2300), n41 (2500), n77 (3700), n78 (3500)