Blackview Oscal Flat 1C vs Unihertz 8849 Tank 4

Blackview
Oscal Flat 1C

Unihertz
8849 Tank 4
At a glance
- Brand
- Blackview
- Unihertz
- Release date
- December 2023, 2 years 5 months ago
- October 2025, 7 months ago
- AnTuTu
- 149.800 Antutu v10 Overall performance better than 54% of devices
- 711.190 Antutu v10 Overall performance better than 78% of devices
Display
- Size
- 6.56"
- 6.78"
- Resolution
- 720 x 1600 px HD+
- 1200 x 2650 px QHD
- Type
- LCD IPS
- AMOLED
- Density
- 278 ppi Medium Density
- 429 ppi Very high density
- Aspect ratio
- 20:9
- 21:9
- Features
- Water Drop Notch, 2D curved glass screen, Brightnes 400 cd/m² (typ), 70% NTSC, NTSC, Panda glass, Capacitive, Multi-touch
- Hole-punch Notch, Youji Glass - 1.1 mm, Refresh rate 120 Hz, Scratch resistant, Capacitive, Multi-touch, In-cell
Performance
- Chipset
- Spreadtrum Unisoc SC9863A
- MediaTek Dimensity 7300 Ultra
- CPU
- 4x Cortex A55 1.6 GHz + 4x Cortex A55 1.2 GHz
- 4xCortex A78 2.5GHz + 4xCortex A55 2.0GHz
- CPU type
- Octa-Core
- Octa-Core
- Process
- 28 nm
- 4 nm
- Frequency
- 1.6 GHz
- 2.5 GHz
- GPU
- PowerVR GE8322
- Mali-G615 MC2
- RAM
- 2 GB
- 12 GB
- 64-bit
- Yes
- Yes
- RAM type
- —
- RAM LPDDR5X
Rear camera
- Resolution
- 8 Mpx
- 50 Mpx
- Aperture
- ƒ/ 2.2
- ƒ/ 1.88
- Sensor
- Samsung S5K4H7
- Samsung GN1
- Pixel size
- 1.12 µm
- 1.00 µm
- Sensor size
- 1/4"
- 1/1.31"
- Flash
- LED
- Dual LED
- Optical stabilization
- No
- No
- Slow motion
- No, 30 fps
- No, 30 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, Phase detection autofocus (PDAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, Night Vision
Front camera
- Resolution
- 5 Mpx
- 32 Mpx
- Aperture
- ƒ/ --
- ƒ/ 2.25
- Sensor
- —
- Samsung S5KGD1
- Pixel size
- —
- 0.80 µm
Battery
- Capacity
- 4700 mAh
- 11600 mAh
- Type
- Li-Polymer
- Li-Polymer
- Fast charge
- Yes , 5.0W
- Yes , 66.0W
- Features
- Removable
- Non-removable
- Charge cycles
- —
- 1000 cycles
- Runtime
- —
- ~ 105h
Storage
- Capacity
- 32 GB
- 512 GB
- Type
- eMMC 5.1 Storage
- UFS Storage 4.0
- SD slot
- Yes , Slot for SD or second SIM card
- Yes , Independent SD slot
Body
- Dimensions
- 76.5 mm 164.7 mm 9.4 mm Print 3D Model
- 85.4 mm 174.3 mm 23.9 mm Print 3D Model
- Weight
- 192 g
- 538 g
- Materials
- Plastic
- Polycarbonate
- Colors
- Blue Cyan Jet Black
- Black
- Water/dust resistance
- IP52
- IP68, MIL-STD-810H
- Usable surface
- 82 %
- 75 %
- Drop resistance
- —
- Class A B C D E 90 drops without defects
- Repairability
- —
- Class A B C D E
Software
- Operating system
- Android 13 Tiramisu Android 13
- Android 15 Android 15
- Google services
- With Google Mobile Services
- With Google Mobile Services
Connectivity
- 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 5.3 LELow energy consumption
- Bluetooth profiles
- A2DP (Advanced Audio Distribution Profile), LE (Low Energy)
- A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), LE (Low Energy), HS
- 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 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
Networks
- 4G LTE
- B1 (2100), B3 (1800), B5 (850), B7 (2600), B8 (900), B20 (800), B28b (700), B28a (700), B40 (TDD 2300)
- 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), B34 (TDD 2100), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500), B66 (1700/2100)
- 3G
- B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), 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), CDMA BC1 (1900), B2 (1900), B3 (1800), B5 (850), B8 (900)
- 5G
- —
- n1 (2100), n2 (1900 PCS), n3 (1800), n5 (850), n7 (2600), n8 (900), n12 (700), n20 (800), n25 (1900), n28b (700), n28a (700), n38 (2600), n40 (2300), n41 (2500), n66 (1700), n77 (3700), n78 (3500)
Sensors & security
- Fingerprint
- No
- Yes, on the side
- Accelerometer
- Yes
- Yes
- Proximity
- Yes
- Yes
- Light sensor
- Yes
- Yes
- Cooling system
- No
- No
- Gyroscope
- —
- Yes
- Barometer
- —
- Yes
- Compass
- —
- Yes
- Audio
- —
- Noise cancellation microphone, 2 microphones

















