blu B9 vs Xiaomi Mix Fold 4

At a glance

Brand: BLU; Xiaomi
Release date: April 2022, 4 years 1 months ago; July 2024, 1 years 10 months ago
AnTuTu: 104.325 Antutu v9 Overall performance better than 51% of devices; 2.341.193 Antutu v11 Overall performance better than 95% of devices
Launch price: —; CN¥ 8,999.00 ($ 1,315.98)

Size: 6.52"; 6.56"
Resolution: 720 x 1600 px HD+; 1080 x 2520 px FHD+
Type: LCD IPS; Super AMOLED Huaxing C8+
Density: 264 ppi Medium Density; 407 ppi Very high density
Aspect ratio: 20:9; 21:9
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, Touch sampling rate 240 Hz, Peak brightness - 1700 cd/m², Peak brightness - 3000 cd/m², 8000000:1 contrast ratio, Always-On Display, HDR10+, DCI-P3, 10 Bits panel, Dolby Vision, Scratch resistant, Dragontrail glass, Capacitive, Multi-touch, Frameless, Foldable Display, LTPO (Low Temperature PolySilicon oxide)

Chipset: Spreadtrum Unisoc SC9863; Qualcomm Snapdragon 8 Gen3
CPU: 4x Cortex A55 1.3 GHz + 4x Cortex A55 1.2 GHz; 1x3.3GHz Cortex X4 + 3x3.2 GHz Cortex A720 + 2x3.0 GHz Cortex A720 + 2x2.3 GHz Cortex A520
CPU type: Octa-Core; Octa-Core
Process: 28 nm; 4 nm
Frequency: 1.3 GHz; 3.3 GHz
GPU: PowerVR GE8322; Adreno 750
RAM: 4 GB; 12 GB
RAM type: LPDDR4X RAM; RAM LPDDR5X
64-bit: Yes; Yes

Resolution: 13 Mpx; 50 Mpx
Aperture: ƒ/ 2.2; ƒ/ 1.7
Pixel size: 1.12 µm; 1.00 µm
Flash: LED; Dual LED
Optical stabilization: No; Yes
Slow motion: Yes, 90 fps; Yes, 1920 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; Flicker sensor, 4K Video, 8K Video, Digital zoom, Optical zoom, Quadruple camera, Digital image stabilization, Optical Stabilization (OIS), Autofocus, Touch focus, Manual focus, Laser AF, Phase detection autofocus (PDAF), Laser autofocus (LAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, RAW, Night Mode
Sensor: —; Omnivision OV50 Light Fusion 800
Sensor size: —; 1/1.55"

Capacity: 5000 mAh; 5100 mAh
Type: Li-Polymer; Li-Ion
Fast charge: Yes , 15.0W; Yes , 67.0W
Features: Non-removable; Non-removable
Wireless charging: —; 50W wireless charging, Pengpai G1 power management chip × 2, Pengpai P2 fast charging chip, Pengpai R1 current equalizing chip

Dimensions: 75.9 mm 164.4 mm 9.6 mm Print 3D Model; 73.1 mm 159.4 mm 9.5 mm Print 3D Model
Weight: 198 g; 226 g
Materials: Plastic; Glass , Leather
Colors: Blue Gray; Black White Blue Gray
Usable surface: 80 %; 86 %
Water/dust resistance: —; IPX8

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 5.4 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, Apt-x Adaptive, LHDC
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) , WiFi 7 (802.11be)
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; GPS, 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), B7 (2600), B8 (900), B12 (700), B17 (700), B18 (800), B19 (800), B20 (800), B26 (850), B28b (700), B28a (700), B34 (TDD 2100), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500), B42 (TDD 3500), B48 (TDD 3600), B66 (1700/2100)
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), n12 (700), n20 (800), n26 (850), n28b (700), n28a (700), n38 (2600), n40 (2300), n41 (2500), n48 (3500), n66 (1700), n77 (3700), n78 (3500), n79 (4700)