Blackview Oscal Flat 1C vs Xiaomi Redmi 15 4G

At a glance

Brand: Blackview; Xiaomi
Release date: December 2023, 2 years 5 months ago; August 2025, 9 months ago
AnTuTu: 149.800 Antutu v10 Overall performance better than 54% of devices; 338.000 Antutu v10 Overall performance better than 63% of devices

Size: 6.56"; 6.9"
Resolution: 720 x 1600 px HD+; 1080 x 2340 px FHD+
Type: LCD IPS; LCD IPS
Density: 278 ppi Medium Density; 374 ppi High Density
Aspect ratio: 20:9; 20:9
Features: Water Drop Notch, 2D curved glass screen, Brightnes 400 cd/m² (typ), 70% NTSC, NTSC, Panda glass, Capacitive, Multi-touch; Hole-punch Notch, TUV Rheinland Low Blue Light, TÜV Rheinland Flicker-free Certified, Refresh rate 144 Hz, Brightnes 700 cd/m² (typ), TÜV Rheinland Eye Comfort Certification, DCI-P3, Scratch resistant, Capacitive, Multi-touch, Frameless

Chipset: Spreadtrum Unisoc SC9863A; Qualcomm Snapdragon 685 (SM6225)
CPU: 4x Cortex A55 1.6 GHz + 4x Cortex A55 1.2 GHz; 4x2.8 GHz Cortex A73 + 4x1.9GHz Cortex A53
CPU type: Octa-Core; Octa-Core
Process: 28 nm; 6 nm
Frequency: 1.6 GHz; 2.8 GHz
GPU: PowerVR GE8322; Adreno 610
RAM: 2 GB; 6 GB
64-bit: Yes; Yes
RAM type: —; LPDDR4X RAM

Resolution: 8 Mpx; 50 Mpx
Aperture: ƒ/ 2.2; ƒ/ 1.8
Sensor: Samsung S5K4H7; —
Pixel size: 1.12 µm; —
Sensor size: 1/4"; —
Flash: LED; LED
Optical stabilization: No; No
Slow motion: No, 30 fps; Yes, 60 fps
Features: Autofocus, Touch focus, Geotagging, Panorama, HDR, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer; Digital zoom, Triple camera, Digital image stabilization, Autofocus, Touch focus, Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer

Capacity: 32 GB; 128 GB
Type: eMMC 5.1 Storage; UFS Storage 2.2
SD slot: Yes , Slot for SD or second SIM card; Yes , Slot for SD or second SIM card

Dimensions: 76.5 mm 164.7 mm 9.4 mm Print 3D Model; 82.1 mm 171.1 mm 8.0 mm Print 3D Model
Weight: 192 g; 224 g
Materials: Plastic; Plastic
Colors: Blue Cyan Jet Black; Black Silver Violet
Water/dust resistance: IP52; IP64
Usable surface: 82 %; 83 %
Drop resistance: —; Class A B C D E 270 drops without defects
Repairability: —; Class A B C D E

Operating system: Android 13 Tiramisu Android 13; Android 16 HyperOS 3.X (Android 16)
Google services: With Google Mobile Services; With Google Mobile Services
Updates: —; OS updates: 5 years

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 5.1 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile), 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; Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display
USB features: Charging, OTG; Charging, OTG
Navigation: GPS, A-GPS; GPS, A-GPS, GLONASS, Beidou, Galileo
USB: —; USB Type-C

4G LTE: B1 (2100), B3 (1800), B5 (850), B7 (2600), B8 (900), B20 (800), B28b (700), B28a (700), B40 (TDD 2300); 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), B2 (1900), B4 (1700/2100 AWS A-F), 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)