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Energizer E4
Compare Energizer E4 and Realme C21

Energizer E4 vs Realme C21

Energizer E4
Energizer E4
Realme C21
Realme C21
Energizer E4
Realme C21
  • Network
  • 2G network
    GSM 850, 900, 1800, 1900
    GSM 850, 900, 1800, 1900
  • 3G network
    -
    HSDPA 850, 900, 2100
  • 4G network
    -
    LTE frequency band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41
  • HSDPA speed
    -
    42.2 Mbps
  • HSUPA speed
    -
    5.76 Mbps
  • LTE speed
    -
    LTE, Cat4, 150 Mbps download, 51 Mbps upload
  • GPRS
    Yes
    Yes
  • EDGE
    No
    Yes
  • Availability
  • Oficially announced
    2022-06
    2021-03
  • Status
    2022-08
    2021-03
  • Design
  • Build
    -
    Glass front, plastic back, plastic frame
  • SIM
    Dual SIM (Mini-SIM, dual stand-by)
    Dual SIM (Nano-SIM, dual stand-by)
  • Height
    115 mm
    165.2 mm
  • Width
    46 mm
    76.4 mm
  • Thickness
    13.5 mm
    8.9 mm
  • Weight
    65 g
    190 g
  • Colors
    Black, Blue, Gold, Red, Silver
    Black, Blue
  • Display
  • Display type
    TFT
    IPS LCD
  • Physical size
    1.77 inches
    6.5 inches
  • Resolution
    128 x 160 pixels
    720 x 1600 pixels
  • Pixel density
    116 ppi
    270 ppi
  • Display colors
    -
    16777216
  • Protection
    -
    Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 3
  • Hardware
  • CPU
    -
    Octa-core
  • CPU
    312 MHz
    2.3 GHz Quad-core Cortex-A53
  • CPU(second)
    quad-core 1.8 GHz Cortex-A53
  • Chipset
    Unisoc SC6531DA
    MediaTek Helio G35
  • GPU
    -
    PowerVR GE8320
  • Memory RAM
    -
    3, 4 GB
  • Internal storage
    -
    32, 64 GB
  • Memory card
    microSDHC
    microSD, microSDHC, microSDXC
  • Memory card max
    -
    256 GB
  • Storage
    -
    eMMC 5.1
  • Phonebook
    Yes
    -
  • Call records
    Yes
    -
  • Main camera
  • Camera type
    Single
    Triple
  • Main camera
    (wide) , 13 MP, f/2.2 , 26 mm, 1/3.06" , 1.12 µm
  • (macro) , 2 MP, f/2.4
  • (depth) , 2 MP, f/2.4
  • Primary camera resolution
    -
    2560 x 1920 pixels
  • Primary camera video
    Yes
    1080p@30fps
  • Primary camera flash
    -
    LED flash
  • Camera features
    -
    Autofocus, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus
  • Sound
  • 3.5mm jack
    Yes
    Yes
  • Loudspeaker
    Yes
    Yes
  • Earpiece
    -
    Yes
  • Multimedia
  • Radio
    FM Radio
    FM Radio
  • Connectivity
  • WLAN
    No
    Wi-Fi 802.11b, 802.11g, 802.11n
  • WLAN WiFi Hotspot
    -
    Yes
  • USB
    microUSB
    microUSB 2.0
  • USB On-The-Go
    -
    Yes
  • Bluetooth
    v2.0
    v5.0
  • Bluetooth A2DP
    -
    Yes
  • bluetooth LE
    -
    Yes
  • NFC
    No
    No
  • GPS
    No
    Yes, with A-GPS
  • GLONASS
    -
    Yes
  • BDS
    -
    Yes
  • Features
  • Messaging SMS
    Yes
    -
  • Java
    No
    -
  • Games
    No
    -
  • Sensors
    -
    Accelerometer, compass, fingerprint, proximity
  • Battery
  • Battery type
    Li-Ion
    Li-Po
  • Battery capacity
    1000 mAh
    5000 mAh
  • Battery removable
    Removable
    Non-removable
  • Fast battery charging
    -
    Yes
  • Reverse charging
    -
    Yes
  • Cost
  • Price
    10 USD
    130 USD
  • OS
  • OS
    -
    Android 10, Realme UI 1.0 / Android 11, Realme UI 2.0
  • Selfie camera
  • Selfie camera type
    -
    Single
  • Selfie camera
    (wide) , 5 MP, f/2.2 , 1/5.0" , 1.12 µm
  • Selfie camera resolution
    -
    2560 x 1920 pixels
  • Selfie camera features
    -
    Face unlock, HDR, panorama
  • Selfie camera video
    -
    1080p@30fps
  • Browser
  • HTML
    -
    HTML5
  • Tests and performance
  • Antutu
    -
    110490 (v8)
  • Geekbench(single-core)
    -
    174 (v5.2)
  • Geekbench(multi-core)
    -
    982 (v5.2)

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