Home
Comparison
BLU
BLU J4
Compare BLU J4 and Coolpad Cool 20 Pro

BLU J4 vs Coolpad Cool 20 Pro

BLU J4
BLU J4
Coolpad Cool 20 Pro
Coolpad Cool 20 Pro
BLU J4
Coolpad Cool 20 Pro
  • 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
  • HSDPA speed
    21.1 Mbps
    42.2 Mbps
  • HSUPA speed
    5.76 Mbps
    5.76 Mbps
  • LTE speed
    -
    LTE-A, 301 Mbps download, 150 Mbps upload
  • GPRS
    Yes
    Yes
  • EDGE
    Yes
    Yes
  • Availability
  • Oficially announced
    2019-10
    2021-12
  • Status
    2019-10
    2021-12
  • Design
  • Build
    Plastic
    Polycarbonate
  • SIM
    Dual SIM (Nano-SIM, dual stand-by)
    Dual SIM (Nano-SIM, dual stand-by)
  • Height
    151 mm
    162.8 mm
  • Width
    72.3 mm
    74.8 mm
  • Thickness
    10 mm
    8.3 mm
  • Weight
    158 g
    193 g
  • Colors
    Black, Blue, Brown
    Black, Blue, Gold, White
  • Display
  • Display type
    IPS LCD capacitive touchscreen
    IPS LCD
  • Physical size
    5.5 inches
    6.58 inches
  • Resolution
    720 x 1440 pixels
    1080 x 2400 pixels
  • Pixel density
    293 ppi
    400 ppi
  • Display colors
    16777216
    16777216
  • Multitouch
    Yes
    -
  • Display features
    -
    120Hz
  • Hardware
  • CPU
    -
    Octa-core
  • CPU
    Quad-core 1.3 GHz Cortex-A7
    Dual-core 2.4 GHz Cortex-A78
  • CPU(second)
    Hexa-core 2.0 GHz Cortex-A55
  • Chipset
    -
    MediaTek MT6877 Dimensity 900 5G
  • GPU
    Mali-400
    Mali-G68 MC4
  • Memory RAM
    1 GB
    6, 8 GB
  • Internal storage
    32 GB
    128 GB
  • Memory card
    microSD, microSDHC, microSDXC
    microSD, microSDHC, microSDXC
  • Memory card max
    64 GB
    256 GB
  • Storage
    eMMC 5.1
    UFS 2.2
  • OS
  • OS
    Android 8.1 Oreo Go Edition
    Android 11, CoolOS 2
  • Main camera
  • Camera type
    Single
    Triple
  • Main camera
    8 MP
    50 MP, (wide) , f/1.8
  • (ultrawide) , 8 MP
  • (macro) , 2 MP
  • Primary camera resolution
    -
    8160 x 6144 pixels
  • Primary camera video
    720p@30fps
    1080p@30fps
  • Primary camera flash
    LED flash
    LED flash
  • Camera features
    -
    HDR, Panorama
  • Selfie camera
  • Selfie camera
    8 MP
    8 MP
  • Selfie camera video
    720p@30fps
    1080p@30fps
  • Sound
  • 3.5mm jack
    Yes
    Yes
  • Loudspeaker
    Yes
    Yes
  • Earpiece
    Yes
    Yes
  • Multimedia
  • Radio
    FM Radio
    -
  • 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, 802.11ax
  • WLAN WiFi Hotspot
    Yes
    Yes
  • WLAN WiFi Direct
    Yes
    Yes
  • WLAN WiFi Dual Band
    -
    Yes
  • USB
    microUSB 2.0
    Type-C 2.0
  • Bluetooth
    v4.1
    v5.1
  • Bluetooth A2DP
    Yes
    Yes
  • bluetooth LE
    Yes
    Yes
  • NFC
    -
    No
  • GPS
    Yes, with A-GPS
    Yes, with A-GPS
  • GLONASS
    -
    Yes
  • BDS
    -
    Yes
  • Features
  • Sensors
    Accelerometer
    Accelerometer, fingerprint
  • Browser
  • HTML
    HTML5
    HTML5
  • Battery
  • Battery type
    Li-Po
    Li-Po
  • Battery capacity
    2200 mAh
    4500 mAh
  • Battery removable
    Removable
    Non-removable
  • Fast battery charging
    -
    Yes, 33W
  • Cost
  • Price
    75 USD
    280 USD
  • Tests and performance
  • Antutu
    -
    476462 (v9)

latest BLU models

other BLU models

Coolpad Cool 20 Pro comparisons

latest Coolpad models

other Coolpad models