Blackview OSCAL C20 vs Oppo A57s

Blackview OSCAL C20
Blackview OSCAL C20
Oppo A57s
Oppo A57s
Blackview OSCAL C20
Oppo A57s
  • Network
  • 2G network
    GSM 850, 900, 1800, 1900
    GSM 850, 900, 1800, 1900
  • 3G network
    HSDPA 900, 2100
    HSDPA 850, 900, 2100
  • 4G network
    -
    LTE frequency band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41
  • HSDPA speed
    21.1 Mbps
    42.2 Mbps
  • HSUPA speed
    5.76 Mbps
    5.76 Mbps
  • LTE speed
    -
    LTE
  • GPRS
    Yes
    Yes
  • EDGE
    Yes
    Yes
  • Availability
  • Oficially announced
    2021-07
    2022-08
  • Status
    2021-07
    2022-09
  • Design
  • Build
    Plastic
    Glass front (Panda Glass), plastic frame, plastic back
  • SIM
    Dual SIM (Nano-SIM, dual stand-by)
    Dual SIM (Nano-SIM, dual stand-by)
  • Height
    155.4 mm
    163.8 mm
  • Width
    73.3 mm
    75 mm
  • Thickness
    9.75 mm
    8 mm
  • Weight
    152 g
    187 g
  • Waterproof
    -
    IPX4
  • Dust proof
    -
    IP5X
  • Colors
    Black, Blue, Green, Purple
    Black, Blue
  • Display
  • Display type
    IPS TFT
    IPS LCD
  • Physical size
    6.09 inches
    6.56 inches
  • Resolution
    720 x 1560 pixels
    720 x 1612 pixels
  • Pixel density
    282 ppi
    269 ppi
  • Display colors
    16777216
    16777216
  • Protection
    2.5D curved glass screen
    -
  • Display features
    -
    480 nits (typ), 600 nits (HBM)
  • Hardware
  • CPU
    -
    Octa-core
  • CPU
    Quad-core 1.3 GHz Cortex-A7
    Quad-core 2.3 GHz Cortex-A53
  • CPU(second)
    quad-core 1.8 GHz Cortex-A53
  • Chipset
    Unisoc SC7731E
    MediaTek MT6765G Helio G35
  • GPU
    Mali-820 MP1
    PowerVR GE8320
  • Memory RAM
    1 GB
    4 GB
  • Internal storage
    32 GB
    64 GB
  • Memory card
    microSD, microSDHC, microSDXC
    microSD, microSDHC, microSDXC
  • Memory card max
    128 GB
    1 TB
  • Storage
    eMMC 5.0
    eMMC 5.1
  • OS
  • OS
    Doke OS 2.0 (Android 11 Go Edition)
    Android 12, ColorOS 12.1
  • Main camera
  • Camera type
    Single
    Dual
  • Main camera
    5 MP, f/2.0
    50 MP, f/1.8 , (wide) , 27 mm, 0.64 µm
  • (depth) , 2 MP, f/2.4
  • Primary camera resolution
    2560 x 1944 pixels
    -
  • Primary camera video
    1080p@30fps
    1080p@30fps
  • Primary camera flash
    LED flash
    LED flash
  • Camera features
    Autofocus, continuous shooting, digital zoom, geotagging, panorama, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode
    HDR, Panorama
  • Selfie camera
  • Selfie camera type
    Single
    Single
  • Selfie camera
    2 MP
    8 MP, (wide) , f/2.0 , 26 mm
  • Selfie camera resolution
    1920 x 1080 pixels
    -
  • Selfie camera features
    Face unlock
    Panorama
  • Selfie camera video
    720p@30fps
    1080p@30fps
  • Sound
  • 3.5mm jack
    Yes
    Yes
  • Loudspeaker
    Yes
    Yes, with stereo speakers
  • Earpiece
    Yes
    Yes
  • Multimedia
  • Radio
    FM Radio
    No
  • Connectivity
  • WLAN
    Wi-Fi 802.11b, 802.11g, 802.11n
    Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
  • WLAN WiFi Hotspot
    Yes
    Yes
  • WLAN WiFi Direct
    -
    Yes
  • WLAN WiFi Dual Band
    -
    Yes
  • USB
    microUSB 2.0
    Type-C 2.0
  • USB On-The-Go
    Yes
    Yes
  • Bluetooth
    v4.2
    v5.3
  • Bluetooth A2DP
    Yes
    Yes
  • bluetooth LE
    -
    Yes
  • NFC
    No
    Yes
  • GPS
    Yes, with A-GPS
    Yes, with A-GPS
  • GLONASS
    -
    Yes
  • GALILEO
    -
    Yes
  • BDS
    Yes
    Yes
  • Features
  • Sensors
    Accelerometer, light, proximity
    Accelerometer, compass, fingerprint, proximity
  • Browser
  • HTML
    HTML5
    HTML5
  • Battery
  • Battery type
    Li-Ion
    Li-Po
  • Battery capacity
    3380 mAh
    5000 mAh
  • Battery removable
    Non-removable
    Non-removable
  • Fast battery charging
    -
    SuperVOOC, 33W (100% in 69 min)
  • Tests and performance
  • Antutu
    23006 (v8)
    110000 (v8)
  • Geekbench(single-core)
    59 (v5.2)
    -
  • Geekbench(multi-core)
    185 (v5.2)
    -
  • Cost
  • Price
    70 USD
    190 USD

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