Blackview Oscal FLAT 2C vs Unihertz 8849 Tank 4

Blackview
Oscal FLAT 2C

Unihertz
8849 Tank 4
At a glance
- Brand
- Blackview
- Unihertz
- Release date
- February 2025, 1 years 3 months ago
- October 2025, 7 months ago
- AnTuTu
- 251.400 Antutu v10 Overall performance better than 59% of devices
- 711.190 Antutu v10 Overall performance better than 78% of devices
Display
- Size
- 6.56"
- 6.78"
- Resolution
- 720 x 1612 px HD+
- 1200 x 2650 px QHD
- Type
- LCD IPS
- AMOLED
- Density
- 267 ppi Medium Density
- 429 ppi Very high density
- Aspect ratio
- 20:9
- 21:9
- Features
- Water Drop Notch, Refresh rate 90 Hz, Brightnes 450 cd/m² (typ), 2.5D curved glass screen, Capacitive, Multi-touch, Frameless
- Hole-punch Notch, Youji Glass - 1.1 mm, Refresh rate 120 Hz, Scratch resistant, Capacitive, Multi-touch, In-cell
Performance
- Chipset
- Unisoc Tiger T603
- MediaTek Dimensity 7300 Ultra
- CPU
- 2xCortex A75 1.8GHz + 6x Cortex A55 1.6GHz
- 4xCortex A78 2.5GHz + 4xCortex A55 2.0GHz
- CPU type
- Octa-Core
- Octa-Core
- Process
- 12 nm
- 4 nm
- Frequency
- 1.8 GHz
- 2.5 GHz
- GPU
- Mali-G57 MP1
- Mali-G615 MC2
- RAM
- 2 GB
- 12 GB
- RAM type
- LPDDR4X RAM
- RAM LPDDR5X
- 64-bit
- Yes
- Yes
Rear camera
- Resolution
- 8 Mpx
- 50 Mpx
- Aperture
- Unknow
- 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
- 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
- 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
- 8 Mpx
- 32 Mpx
- Aperture
- ƒ/ 2.2
- ƒ/ 2.25
- Sensor
- —
- Samsung S5KGD1
- Pixel size
- —
- 0.80 µm
Battery
- Capacity
- 5000 mAh
- 11600 mAh
- Type
- Li-Polymer
- Li-Polymer
- Fast charge
- Yes , 5.0W
- Yes , 66.0W
- Charge cycles
- 1100 cycles
- 1000 cycles
- Runtime
- ~ 51h
- ~ 105h
- Features
- Non-removable
- Non-removable
Storage
- Capacity
- 64 GB
- 512 GB
- SD slot
- Yes , Slot for SD or second SIM card
- Yes , Independent SD slot
- Type
- —
- UFS Storage 4.0
Body
- Dimensions
- 75.2 mm 163.2 mm 8.7 mm Print 3D Model
- 85.4 mm 174.3 mm 23.9 mm Print 3D Model
- Weight
- 193 g
- 538 g
- Materials
- Plastic
- Polycarbonate
- Colors
- Black Cyan
- Black
- Drop resistance
- Class A B C D E 90 drops without defects
- Class A B C D E 90 drops without defects
- Repairability
- Class A B C D E
- Class A B C D E
- Usable surface
- 84 %
- 75 %
- Water/dust resistance
- —
- IP68, MIL-STD-810H
Software
- Operating system
- Android 14 Upside-down cake Doke OS4.0 (Android 14)
- Android 15 Android 15
- Google services
- With Google Mobile Services
- With Google Mobile Services
Connectivity
- SIM
- Dual SIM Dual Standby (Micro SIM + Nano SIM)
- Dual SIM Dual Standby (Nano SIM + Nano SIM)
- Bluetooth
- Bluetooth 5.0
- Bluetooth 5.3 LELow energy consumption
- Bluetooth profiles
- A2DP (Advanced Audio Distribution Profile), HID (Human Interface Profile)
- A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), LE (Low Energy), HS
- Wi-Fi
- 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac
- 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac, WiFi 6 (802.11ax)
- Wi-Fi features
- Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display
- 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, Galileo
- GPS, A-GPS, GLONASS, Beidou, Galileo
Networks
- 4G LTE
- B1 (2100), B3 (1800), B7 (2600), B8 (900), B19 (800), B20 (800), B28b (700), B28a (700), B40 (TDD 2300), B41 (TDD 2500)
- 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), 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
- Yes, on the side
- Yes, on the side
- Accelerometer
- Yes
- Yes
- Proximity
- Yes
- Yes
- Light sensor
- Yes
- Yes
- Cooling system
- No
- No
- Audio
- 2 microphones
- Noise cancellation microphone, 2 microphones
- Gyroscope
- —
- Yes
- Barometer
- —
- Yes
- Compass
- —
- Yes

















