Blackview OSCAL TANK 1 vs Xiaomi Redmi 15A 5G

At a glance

Brand: Blackview; Xiaomi
Release date: September 2025, 8 months ago; March 2026, 2 months ago
AnTuTu: 601.430 Antutu v10 Overall performance better than 76% of devices; 479.500 Antutu v10 Overall performance better than 72% of devices
Launch price: —; ₹ 12,999.00 ($ 137.92)

Size: 6.78"; 6.9"
Resolution: 1080 x 2460 px FHD+; 720 x 1600 px HD+
Type: LCD IPS; LCD IPS
Density: 396 ppi High Density; 254 ppi Medium Density
Aspect ratio: 21:9; 20:9
Features: Hole-punch Notch, SGS Certified, TÜV Low Blue Light, Refresh rate 120 Hz, Peak brightness - 650 cd/m², Corning Gorilla Glass 5, Capacitive, Multi-touch; Water Drop Notch, TUV Rheinland Low Blue Light, TÜV Rheinland Flicker-free Certified, Refresh rate 120 Hz, Touch sampling rate 240 Hz, Peak brightness - 800 cd/m², TÜV Rheinland Eye Comfort Certification, 83% NTSC, 2.5D curved glass screen, Capacitive, Multi-touch, Frameless

Chipset: MediaTek Dimensity 7050 (MT6877); Unisoc T8300
CPU: 2x2.6 GHz ARM Cortex A78+6x 2.0 GHz ARM Cortex A55; 2x2.2 GHz – Cortex A78 + 6x2 GHz – Cortex A55
CPU type: Octa-Core; Octa-Core
Process: 6 nm; 6 nm
Frequency: 2.6 GHz; 2.3 GHz
GPU: Mali-G68 MC4; Mali-G57 MP2
RAM: 12 GB; 4 GB
RAM type: RAM LPDDR5; LPDDR4X RAM
64-bit: Yes; Yes

Resolution: 64 Mpx; 32 Mpx
Aperture: ƒ/ 1.88; ƒ/ 2.0
Flash: Triple LED; LED
Optical stabilization: No; No
Slow motion: Yes, 120 fps; No, 30 fps
Features: Digital zoom, Dual camera, 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, Night Vision; Digital zoom, Dual camera, Digital image stabilization, 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, Dual capture
Pixel size: —; 1.12 µm

Capacity: 256 GB; 64 GB
Type: UFS Storage 3.1; UFS Storage 2.2
SD slot: Yes , Slot for SD or second SIM card; Yes , Slot for SD or second SIM card

Dimensions: 83.0 mm 184.0 mm 29.5 mm Print 3D Model; 79.5 mm 171.6 mm 8.2 mm Print 3D Model
Weight: 640 g; 210 g
Materials: TPU , Rugged Smartphone, Aluminium alloy; Plastic
Colors: Black Orange; Black Blue Violet
Water/dust resistance: IP68, IP69 , MIL-STD-810H , UL94 HB; IP52
Drop resistance: Class A B C D E 270 drops without defects; —
Repairability: Class A B C D E; —
Usable surface: 71 %; 84 %

Operating system: Android 15 Android 15; Android 16 HyperOS 3.X (Android 16)
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 5.2; Bluetooth 5.4 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile); A2DP (Advanced Audio Distribution Profile), HID (Human Interface Profile), LE (Low Energy)
Wi-Fi: 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac, WiFi 6 (802.11ax); 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac
Wi-Fi features: Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display; Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display
USB: USB Type-C; USB Type-C
USB features: Charging, OTG; Charging, OTG
Navigation: GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo, QZSS (L1 + L5); GPS, A-GPS, GLONASS, Beidou, Galileo

5G: n1 (2100), n5 (850), n7 (2600), n8 (900), n20 (800), n28b (700), n28a (700), n38 (2600), n40 (2300), n41 (2500), n77 (3700), n78 (3500); n1 (2100), n3 (1800), n5 (850), n8 (900), n28b (700), n38 (2600), n41 (2500), n78 (3500)
4G LTE: B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B12 (700), B13 (700), B17 (700), B18 (800), B19 (800), B20 (800), B25 (1900+), B26 (850), B28b (700), B28a (700), B30 (2300), B34 (TDD 2100), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500), B66 (1700/2100); B1 (2100), B3 (1800), B5 (850), B8 (900), B28b (700), B40 (TDD 2300), B41 (TDD 2500)
3G: B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B6 (800), B8 (900), B19 (800); B1 (2100), B5 (850), B8 (900)
2G: CDMA BC0 (800), CDMA BC1 (1900), CDMA BC10 (800 Secondary), B2 (1900), B3 (1800), B5 (850), B8 (900); B3 (1800), B5 (850), B8 (900)