Blackview Oscal C20 vs Oppo A77 4G

Blackview
Oscal C20

Oppo
A77 4G
At a glance
- Brand
- Blackview
- Oppo
- Release date
- September 2021, 4 years 8 months ago
- August 2023, 2 years 9 months ago
- AnTuTu
- 23.006 Antutu v8 Overall performance better than 49% of devices
- 122.000 Antutu v9 Overall performance better than 53% of devices
Display
- Size
- 6.09"
- 6.5"
- Resolution
- 720 x 1560 px HD+
- 720 x 1612 px HD+
- Type
- LCD IPS
- LCD IPS
- Density
- 282 ppi Medium Density
- 272 ppi Medium Density
- Aspect ratio
- 19.5:9
- 20:9
- Features
- Water Drop Notch, LED Notifications, Capacitive, Multi-touch
- Water Drop Notch, Brightnes 480 cd/m² (typ), Max brightness HBM - 600 cd/m², DCI-P3, sRGB standard, Scratch resistant, 2.5D curved glass screen, Capacitive, Multi-touch, Frameless
Performance
- Chipset
- Spreadtrum SC7731E (S513)
- Mediatek Helio G35
- CPU
- 4x Cortex A7 1.3 GHz
- 8x Cortex A53 2.3 GHz
- CPU type
- Quad-Core
- Octa-Core
- Process
- 28 nm
- 12 nm
- Frequency
- 1.3 GHz
- 2.3 GHz
- GPU
- ARM Mali-400 MP1
- IMG PowerVR GE8320 680MHz
- RAM
- 1 GB
- 4 GB
- 64-bit
- No
- Yes
- RAM type
- —
- LPDDR4X RAM
Rear camera
- Resolution
- 5 Mpx
- 50 Mpx
- Aperture
- ƒ/ 2.0
- ƒ/ 1.8
- Sensor
- GalaxyCore GC5035
- —
- Pixel size
- 1.12 µm
- —
- Sensor size
- 1/5"
- —
- Flash
- LED
- 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, Front Flash
- Digital zoom, Dual camera, Autofocus, Touch focus, Phase detection autofocus (PDAF), Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer
Front camera
- Resolution
- 2 Mpx
- 8 Mpx
- Aperture
- ƒ/ 2.2
- ƒ/ 2.0
- Sensor
- GalaxyCore GC02M2
- —
- Pixel size
- 1.75 µm
- —
Battery
- Capacity
- 3380 mAh
- 5000 mAh
- Type
- Li-Polymer
- Li-Polymer
- Fast charge
- Yes , 5.0W
- Yes , 33.0W
- Features
- Removable
- Non-removable
Storage
- Capacity
- 32 GB
- 128 GB
- SD slot
- Yes , Independent SD slot
- Yes , Independent SD slot
- Type
- —
- eMMC 5.1 Storage
Body
- Dimensions
- 73.5 mm 155.4 mm 9.5 mm Print 3D Model
- 75.0 mm 163.7 mm 8.0 mm Print 3D Model
- Weight
- 156 g
- 187 g
- Materials
- Plastic
- Plastic
- Colors
- Black Blue Red Purple
- Black Blue
- Usable surface
- 79 %
- 82 %
- Water/dust resistance
- —
- IPX4 , IP5X
Software
- Operating system
- Android 11 Red Velvet Cake Android 11 Go edition
- Android 12 Snow Cone ColorOS 12.1 (Android 12)
- Google services
- With Google Mobile Services
- With Google Mobile Services
- Updates
- —
- OS updates: 1 years, Security updates: 3 years
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), HID (Human Interface 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
- USB features
- Charging, OTG
- Charging, OTG
- Navigation
- GPS, A-GPS, GLONASS, Beidou
- GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo
Networks
- 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)
- B2 (1900), B3 (1800), B5 (850), B8 (900)
- 4G LTE
- —
- B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B12 (700), B13 (700), B18 (800), B19 (800), B26 (850), B28b (700), B28a (700), B38 (TDD 2600), B41 (TDD 2500), B66 (1700/2100)
Sensors & security
- Fingerprint
- No
- Yes, on the side
- Accelerometer
- Yes
- —
- Proximity
- Yes
- —
- Light sensor
- Yes
- Yes
- Cooling system
- No
- No
- Compass
- —
- Yes















