blu B9 vs Oppo K12

At a glance

Brand: BLU; Oppo
Release date: April 2022, 4 years 1 months ago; April 2024, 2 years 1 months ago
AnTuTu: 104.325 Antutu v9 Overall performance better than 51% of devices; 866.863 Antutu v10 Overall performance better than 82% of devices
Launch price: —; CN¥ 1,799.00 ($ 263.08)

Size: 6.52"; 6.7"
Resolution: 720 x 1600 px HD+; 1080 x 2412 px FHD+
Type: LCD IPS; AMOLED
Density: 264 ppi Medium Density; 451 ppi Very 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, 2160 Hz PWM, Refresh rate 120 Hz, Brightnes 500 cd/m² (typ), Peak brightness - 1100 cd/m², Max brightness HBM - 900 cd/m², Always-On Display, HDR10+, DCI-P3, 10 Bits panel, Scratch resistant, 3D curved glass screen, Capacitive, Multi-touch, Frameless

Chipset: Spreadtrum Unisoc SC9863; Qualcomm Snapdragon 7 Gen 3 (SM7550-AB)
CPU: 4x Cortex A55 1.3 GHz + 4x Cortex A55 1.2 GHz; 1x2.63 GHz Cortex A715 +3x2.4 GHz Cortex A715 + 4x1.8 GHz Cortex A510
CPU type: Octa-Core; Octa-Core
Process: 28 nm; 4 nm
Frequency: 1.3 GHz; 2.63 GHz
GPU: PowerVR GE8322; Qualcomm Adreno 720
RAM: 4 GB; 8 GB
RAM type: LPDDR4X RAM; LPDDR4X RAM
64-bit: Yes; Yes

Resolution: 13 Mpx; 50 Mpx
Aperture: ƒ/ 2.2; ƒ/ 1.8
Pixel size: 1.12 µm; 0.80 µm
Flash: LED; Quad LED
Optical stabilization: No; Yes
Slow motion: Yes, 90 fps; Yes, 240 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, Dual camera, Digital image stabilization, Optical Stabilization (OIS), Autofocus, Touch focus, Phase detection autofocus (PDAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer
Sensor: —; Sony IMX882
Sensor size: —; 1/1.95"

Capacity: 128 GB; 256 GB
Type: eMMC 5.1 Storage; UFS Storage 3.1
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; 75.3 mm 162.5 mm 8.4 mm Print 3D Model
Weight: 198 g; 186 g
Materials: Plastic; Plastic
Colors: Blue Gray; Black Green
Usable surface: 80 %; 87 %
Water/dust resistance: —; IP54

Operating system: Android 11 Red Velvet Cake Android 11; Android 14 Upside-down cake 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
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), LE (Low Energy); A2DP (Advanced Audio Distribution Profile), 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, WiFi 6 (802.11ax)
Wi-Fi features: Wi-Fi Hotspot, Wi-Fi Direct; 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, GLONASS (L1), BeiDou (B1)
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), B8 (900), B28b (700), B34 (TDD 2100), B38 (TDD 2600), B39 (TDD 1900), 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); CDMA BC10 (800 Secondary), B3 (1800), B5 (850), B8 (900)
5G: —; n1 (2100), n3 (1800), n5 (850), n8 (900), n28b (700), n40 (2300), n41 (2500), n77 (3700), n78 (3500)

Fingerprint: Yes, in the back; Yes, in screen
Accelerometer: Yes; Yes
Proximity: Yes; Yes
Light sensor: Yes; Yes
Cooling system: No; Yes
Gyroscope: —; Yes
Audio: —; Hi-Res Audio, Noise cancellation microphone, Stereo Speakers, 2 microphones