Digma Citi Z400 3G vs Vertex Impress Lightning

Digma Citi Z400 3G
Digma Citi Z400 3G
Vertex Impress Lightning
Vertex Impress Lightning
Digma Citi Z400 3G
Vertex Impress Lightning
  • Network
  • 2G network
    GSM 900, 1800
    GSM 850, 900, 1800, 1900
  • 3G network
    HSDPA 1900
    HSDPA 900, 2100
  • 4G network
    -
    LTE frequency band 1(2100), 3(1800), 7(2600), 18(800)
  • HSDPA speed
    21 Mbps
    -
  • HSUPA speed
    5.76 Mbps
    -
  • LTE speed
    -
    LTE, Cat4, 150 Mbps download, 51 Mbps upload
  • GPRS
    Yes
    Yes
  • EDGE
    Yes
    Yes
  • Availability
  • Oficially announced
    2017
    2017
  • Status
    2017
    2017
  • Design
  • SIM
    Dual SIM (Micro-SIM, dual stand-by)
    Dual SIM (Micro-SIM, dual stand-by)
  • Height
    124 mm
    -
  • Width
    67.5 mm
    -
  • Thickness
    9.5 mm
    -
  • Weight
    160 g
    -
  • Colors
    Black
    Black
  • Display
  • Display type
    TFT
    TFT
  • Physical size
    4 inches
    4.5 inches
  • Resolution
    480 x 800 pixels
    480 x 854 pixels
  • Pixel density
    233 ppi
    218 ppi
  • Display colors
    16777216
    16777216
  • Multitouch
    Yes
    Yes
  • Hardware
  • CPU
    Quad-core 1.2 GHz ARM Cortex-A7
    Quad-core 1.3 GHz Cortex-A7
  • Chipset
    Spreadtrum SC7731C
    Spreadtrum SC9832
  • GPU
    Mali-400 MP2
    Mali-400 MP2
  • Memory RAM
    512 MB
    1 GB
  • Internal storage
    4 GB
    8 GB
  • Memory card
    microSD, microSDHC
    microSD, microSDHC
  • Memory card max
    32 GB
    -
  • OS
  • OS
    Android 6.0 Marshmallow
    Android 7.0 Nougat
  • Main camera
  • Main camera
    2 MP
    2 MP
  • Primary camera resolution
    1600 x 1200 pixels
    1600 x 1200 pixels
  • Primary camera video
    480p@30fps
    720p@30fps
  • Primary camera flash
    LED
    LED flash
  • Camera features
    Autofocus, continuous shooting, geotagging, panorama, HDR, touch focus, face detection, exposure compensation, self-timer, scene mode
    Autofocus, continuous shooting, geotagging, panorama, HDR, touch focus, face detection, exposure compensation, self-timer, scene mode
  • Selfie camera
  • Selfie camera
    0.3 MP
    0.3 MP
  • Selfie camera video
    480p@30fps MP
    480p@30fps
  • Sound
  • 3.5mm jack
    Yes
    Yes
  • Loudspeaker
    Yes
    Yes
  • Multimedia
  • Radio FM
    FM radio
    FM radio
  • Connectivity
  • WLAN
    Wi-Fi 802.11b, 802.11g, 802.11n
    Wi-Fi 802.11b, 802.11g, 802.11n
  • WLAN WiFi Hotspot
    Yes
    Yes
  • WLAN WiFi Direct
    -
    Yes
  • USB
    microUSB 2.0
    microUSB 2.0
  • Bluetooth
    v2.1
    v4.0
  • Bluetooth A2DP
    Yes
    Yes
  • GPS
    Yes, with A-GPS
    Yes, with A-GPS
  • Features
  • Sensors
    Accelerometer
    Accelerometer
  • Browser
  • HTML
    HTML5
    HTML5
  • Battery
  • Battery type
    Li-Ion
    Li-Po
  • Battery capacity
    1300 mAh
    1700 mAh
  • Battery removable
    Removable
    Removable
  • Talk time 2G
    6 h
    -
  • Talk time 3G
    6 h
    -
  • Standby time 2G
    140 h
    -
  • Standby time 3G
    140 h
    -

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