Blackview Oscal C20 vs Vivo iQOO Z7i

Blackview
Oscal C20

Vivo
iQOO Z7i
At a glance
- Brand
- Blackview
- vivo
- Release date
- September 2021, 4 years 8 months ago
- March 2023, 3 years 2 months ago
- AnTuTu
- 23.006 Antutu v8 Overall performance better than 49% of devices
- 389.600 Antutu v10 Overall performance better than 65% of devices
Display
- Size
- 6.09"
- 6.51"
- Resolution
- 720 x 1560 px HD+
- 720 x 1600 px HD+
- Type
- LCD IPS
- LCD IPS
- Density
- 282 ppi Medium Density
- 270 ppi Medium Density
- Aspect ratio
- 19.5:9
- 20:9
- Features
- Water Drop Notch, LED Notifications, Capacitive, Multi-touch
- Water Drop Notch, Touch sampling rate 120 Hz, Scratch resistant, 2.5D curved glass screen, Capacitive, Multi-touch
Performance
- Chipset
- Spreadtrum SC7731E (S513)
- MediaTek Dimensity 6020 (MT6833V/ZA)
- CPU
- 4x Cortex A7 1.3 GHz
- 2x2.2 GHz ARM Cortex A76 + 6x2.0 GHz ARM Cortex A55
- CPU type
- Quad-Core
- Octa-Core
- Process
- 28 nm
- 7 nm
- Frequency
- 1.3 GHz
- 2.2 GHz
- GPU
- ARM Mali-400 MP1
- ARM Mali-G57
- RAM
- 1 GB
- 4 GB
- 64-bit
- No
- Yes
- RAM type
- —
- LPDDR4X RAM
Rear camera
- Resolution
- 5 Mpx
- 13 Mpx
- Aperture
- ƒ/ 2.0
- ƒ/ 2.2
- 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, 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
Front camera
- Resolution
- 2 Mpx
- 5 Mpx
- Aperture
- ƒ/ 2.2
- ƒ/ 1.8
- 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 , 15.0W
- Features
- Removable
- Non-removable
Storage
- Capacity
- 32 GB
- 128 GB
- SD slot
- Yes , Independent SD slot
- Yes , Slot for SD or second SIM card
- Type
- —
- UFS Storage 2.2
Body
- Dimensions
- 73.5 mm 155.4 mm 9.5 mm Print 3D Model
- 75.6 mm 164.1 mm 8.2 mm Print 3D Model
- Weight
- 156 g
- 186 g
- Materials
- Plastic
- Polycarbonate
- Colors
- Black Blue Red Purple
- Black Blue
- Usable surface
- 79 %
- 82 %
Software
- Operating system
- Android 11 Red Velvet Cake Android 11 Go edition
- Android 13 Tiramisu OriginOS Ocean (Android 13)
- Google services
- With Google Mobile Services
- Without 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 5.1 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, GLONASS, Beidou
- GPS, A-GPS, GLONASS, Beidou, Galileo
Networks
- 3G
- B1 (2100), B8 (900)
- B1 (2100), B5 (850), B8 (900)
- 2G
- B2 (1900), B3 (1800), B5 (850), B8 (900)
- CDMA BC0 (800), B3 (1800), B5 (850), B8 (900)
- 5G
- —
- n1 (2100), n5 (850), n8 (900), n28a (700), n41 (2500), n77 (3700), n78 (3500)
- 4G LTE
- —
- B1 (2100), B3 (1800), B5 (850), B8 (900), B28a (700), B34 (TDD 2100), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500)
Sensors & security
- Fingerprint
- No
- Yes, on the side
- Accelerometer
- Yes
- Yes
- Proximity
- Yes
- Yes
- Light sensor
- Yes
- Yes
- Cooling system
- No
- No














