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BLU J4
Compare BLU J4 and Coolpad Cool 20

BLU J4 vs Coolpad Cool 20

BLU J4
BLU J4
Coolpad Cool 20
Coolpad Cool 20
BLU J4
Coolpad Cool 20
  • Network
  • 2G network
    GSM 850, 900, 1800, 1900
    GSM 850, 900, 1800, 1900; CDMA 800
  • 3G network
    HSDPA 850, 900, 1900, 2100
    HSDPA 850, 900, 2100; CDMA2000 1x
  • 4G network
    -
    LTE frequency band 1, 3, 5, 8, 34, 39, 40, 41
  • HSDPA speed
    21.1 Mbps
    42.2 Mbps
  • HSUPA speed
    5.76 Mbps
    5.76 Mbps
  • EV-DO speed
    -
    EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
  • LTE speed
    -
    LTE-A, Cat4, 301 Mbps download, 151 Mbps upload
  • GPRS
    Yes
    Yes
  • EDGE
    Yes
    Yes
  • Availability
  • Oficially announced
    2019-10
    2021-05
  • Status
    2019-10
    2021-06
  • Design
  • Build
    Plastic
    Plastic
  • SIM
    Dual SIM (Nano-SIM, dual stand-by)
    Hybrid Dual SIM (Nano-SIM, dual stand-by)
  • Height
    151 mm
    164.3 mm
  • Width
    72.3 mm
    75.7 mm
  • Thickness
    10 mm
    8.7 mm
  • Weight
    158 g
    199.6 g
  • Colors
    Black, Blue, Brown
    Black, Blue, White
  • Display
  • Display type
    IPS LCD capacitive touchscreen
    IPS LCD
  • Physical size
    5.5 inches
    6.52 inches
  • Resolution
    720 x 1440 pixels
    720 x 1600 pixels
  • Pixel density
    293 ppi
    269 ppi
  • Display colors
    16777216
    16777216
  • Protection
    -
    2.5D curved glass screen
  • Multitouch
    Yes
    -
  • Hardware
  • CPU
    -
    Octa-core
  • CPU
    Quad-core 1.3 GHz Cortex-A7
    Dual-core 2.0 GHz Cortex-A75
  • CPU(second)
    Hexa-core 1.8 GHz Cortex-A55
  • Chipset
    -
    Mediatek MT6769V/CU Helio G80
  • GPU
    Mali-400
    Mali-G52 MP3
  • Memory RAM
    1 GB
    4, 6 GB
  • Internal storage
    32 GB
    64, 128 GB
  • Memory card
    microSD, microSDHC, microSDXC
    microSD, microSDHC, microSDXC
  • Memory card max
    64 GB
    256 GB
  • Storage
    eMMC 5.1
    -
  • OS
  • OS
    Android 8.1 Oreo Go Edition
    Android 11, CoolOS 2
  • Main camera
  • Camera type
    Single
    Dual
  • Main camera
    8 MP
    48 MP, (wide) , f/1.8
  • (depth) , 2 MP, f/2.4
  • Primary camera resolution
    -
    8000 x 6000 pixels
  • Primary camera video
    720p@30fps
    1080p@30fps
  • Primary camera flash
    LED flash
    LED flash
  • Camera features
    -
    Autofocus, continuous shooting, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode
  • Selfie camera
  • Selfie camera
    8 MP
    5 MP
  • Selfie camera resolution
    -
    2560 x 1920 pixels
  • Selfie camera features
    -
    Face unlock
  • Selfie camera video
    720p@30fps
    720p@30fps
  • Sound
  • 3.5mm jack
    Yes
    Yes
  • Loudspeaker
    Yes
    Yes
  • 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
    Yes
  • WLAN WiFi Dual Band
    -
    Yes
  • USB
    microUSB 2.0
    Type-C 2.0
  • USB On-The-Go
    -
    Yes
  • Bluetooth
    v4.1
    v5.0
  • Bluetooth A2DP
    Yes
    Yes
  • bluetooth LE
    Yes
    Yes
  • NFC
    -
    No
  • GPS
    Yes, with A-GPS
    Yes, with A-GPS
  • GLONASS
    -
    Yes
  • GALILEO
    -
    Yes
  • BDS
    -
    Yes
  • QZSS
    -
    Yes
  • Features
  • Sensors
    Accelerometer
    Accelerometer, compass, proximity
  • Browser
  • HTML
    HTML5
    HTML5
  • Battery
  • Battery type
    Li-Po
    Li-Po
  • Battery capacity
    2200 mAh
    4500 mAh
  • Battery removable
    Removable
    Non-removable
  • Cost
  • Price
    75 USD
    100 USD
  • Tests and performance
  • Antutu
    -
    200500 (v8)
  • Geekbench(single-core)
    -
    389 (v5.2)
  • Geekbench(multi-core)
    -
    1402 (v5.2)

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