Comparison of Blackview BV7000 and Digma CITI Z540 4G smartphones based on their characteristics
Manufacturer and Model
- Manufacturer
- Blackview
- Digma
- Phone model
- BV7000
- CITI Z540 4G
- Year of release
- 2017
- 2017
Appearance
- Case type
- Monoblock
- Monoblock
- Body length
- 153 mm
- 142 mm
- Body width
- 79 mm
- 73 mm
- Body thickness
- 12.6 mm
- 10 mm
- Weight
- 222 g
- 168 g
- Volume
- 152.1 cm³
- 103.66 cm³
- Body materials and finishes
-
- Metal
- Plastic
-
- Plastic
Processor (CPU)
- Processor model
-
- MediaTek MT6737T
-
- Spreadtrum SC9830A
- CPU clock speed
- 1500 MHz
- 1500 MHz
- Number of processor cores
- 4
- 4
- Level 1 cache (L1)
- 32 + 32 kB
- Level 2 cache (L2)
- 512 kB
- Processor size
- 64 bits
- 32 bits
- Instruction set architecture
- ARMv8-A
- ARMv7
- Manufacturing process
- 28 nm
- 28 nm
Graphics Processor (GPU)
- GPU
- GPU model
-
- ARM Mali-T720 MP2
-
- ARM Mali-400 MP2
- GPU clock speed
- 600 MHz
- Number of GPU cores
- 2
- 2
Primary storage (RAM)
- The amount of RAM
- 2 GB
- 1 GB
- RAM type
- LPDDR3
- LPDDR3
- RAM frequency
- 733 MHz
- Number of RAM channels
- 1
Internal storage
- Built-in memory
-
- 16 GB
-
- 8 GB
SD card
- Types of Supported Memory Cards
-
- microSDXC
- microSDHC
- microSD
-
- microSDXC
- microSDHC
- microSD
- Maximum expandable memory
- 32 GB
- 32 GB
- Hot swappable memory card
Mainboard
- Chipset
-
- MediaTek MT6737T
-
- Spreadtrum SC9830A
Operating system
- Operating system
- Android 6.0
- Android 5.1
Battery
- Battery capacity
- 3500
- 2000
- Battery type
- Li-Pol
- Li-Ion
- Removable battery
- Charging the battery from USB
- Fast battery charging
- Battery charging time
- 2 h
- Adapter output power
-
- 5 V / 2 A
-
- 5 V / 1 A
- Call duration in GSM networks
- 30 h
- 14 h
- Standby time in GSM networks
- 960 h
- 600 h
- Call duration in UMTS (WCDMA) networks
- 30 h
- 14 h
- Standby time on UMTS (WCDMA) networks
- 960 h
- 600 h
- Duration of listening to music
- 25 h
- Video watching duration
- 9 h
- Duration of using Wi-Fi
- 11 h
Screen
- Screen diagonal
- 5 in
- 5 in
- Screen resolution
- 1920 x 1080 pixels
- 854 x 480 pixels
- Resolution formats
-
- Full HD
- HD
- Pixel density
- 441 ppi
- 196 ppi
- Screen technology
- IPS
- TFT
- Color depth
- 24 bit
- 24 bit
- Touch screen
- Touch screen type
- Capacitive
- Capacitive
- Anti-scratch screen
- Aspect ratio
- 1.778
- 1.779
- Auto-rotate screen
- Ambient light sensor
- Proximity sensor
Main photo/video camera
- Camera megapixels
- 8 Mp
- 5 Mp
- Maximum photo resolution
- 3771 x 2121 pixels
- 2981 x 1677 pixels
- Shooting resolution formats
-
- Quad HD
- Full HD
- HD
-
- Quad HD
- Full HD
- HD
- The presence of a flash
- Flash type
- Dual LED
- LED
- Photomatrix model
- Samsung S5K4H8YX
- Photomatrix type
- CMOS
- CMOS
- Photomatrix size
- 3.2 x 2.4 mm
- Photomatrix pixel size
- 0.98 μm
- Crop factor
- 10.82
- Aperture
- f/2
- Number of lens elements
- 5
- Shooting settings
- Autofocus
- Face detector
- Panoramic photography
- HDR photography
- Viewfinder
- Continuous photography
- Touch focus
- Exposure compensation
- Self-timer
- White balance
- ISO setting
- Scene selection
- Other photo settings
-
- Serial shooting
- Panoramic shooting
- Hdr shooting
- Face detection
-
- Serial shooting
- Panoramic shooting
- Hdr shooting
- Face detection
- Video capability
- Maximum video resolution
- 1920 x 1080 pixels
- 1280 x 720 pixels
- Movie speed
- 30 fps
- 30 fps
- Movie settings
- Movie settings list
-
- White balance
- Color effects
- Scene selection mode
-
- White balance
- Color effects
- Scene selection mode
Front photo/video camera
- Front camera megapixels
- 5 Mp
- 0.3 Mp
- Maximum photo resolution
- 2981 x 1677 pixels
- 730 x 411 pixels
- Shooting resolution formats
-
- Quad HD
- Full HD
- HD
- Photomatrix model
- GalaxyCore GC5024
- Photomatrix type
- CMOS BSI
- Photomatrix size
- 3.2 x 2.4 mm
- Photomatrix pixel size
- 1.25 μm
- Crop factor
- 10.82
- Aperture
- f/2.2
- Front camera video
- Maximum video resolution
- 640 x 480 pixels
- 640 x 480 pixels
SIM card and calls
- Number of SIM-cards
- 2
- 2
- Mode of operation of multiple SIM-cards
- Alternating
- Alternating
- SIM card type
- Micro-SIM + Nano-SIM
- Micro-SIM
- MP3 ringtones
- Polyphonic ringtones
- Vibration mode
- Speakerphone
- Conference call
- Speed dial
- Video calls
- Ability to mute the microphone during a call
- Extended phone book
- Contacts in the phone book
- Unlimited
- Unlimited
- Data exchange between SIM card and internal memory
Mobile communications
- Cellular generation
- 4.5G
- 4.5G
- GSM support
- GSM frequencies
-
- GSM 850 MHz
- GSM 900 MHz
- GSM 1800 MHz
- GSM 1900 MHz
-
- GSM 850 MHz
- GSM 900 MHz
- GSM 1800 MHz
- GSM 1900 MHz
- UMTS support
- UMTS frequencies
-
- UMTS 900 MHz
- UMTS 2100 MHz
-
- UMTS 900 MHz
- UMTS 2100 MHz
- LTE support
- LTE frequencies
-
- LTE 800 MHz
- LTE 900 MHz
- LTE 1800 MHz
- LTE 2100 MHz
- LTE 2600 MHz
-
- LTE 1800 MHz
- LTE 2100 MHz
- LTE 2600 MHz
Internet data transmission standards
- LTE standards
-
- LTE Cat 4
-
- LTE Cat 4
- Data transmission standards
-
- HSPA+
- HSUPA
- HSDPA
- EDGE
- GPRS
-
- HSPA+
- HSUPA
- HSDPA
- EDGE
- GPRS
Wi-Fi
- Built-in Wi-Fi
- Wi-Fi standards
-
- 802.11b
- 802.11g
- 802.11n
-
- 802.11b
- 802.11g
- 802.11n
- Wi-Fi Direct support
- Wi-Fi hotspot mode
USB
- USB connector
- USB connector type
- USB Type-C
- Micro USB
- USB standard
- 2.0
- 2.0
- USB OTG support
- USB host support
- USB Mass Storage support
Bluetooth
- Built-in Bluetooth
- Bluetooth standard
- 4.0
- 4.0
- A2DP support
Navigation and positioning
- Built-in GPS
- A-GPS support
- Installed GLONASS
- Built-in digital compass
Radio
- Built-in radio receiver
- Radio range
- 87.5 - 108 МГц
- 87.5 - 108 МГц
- RDS support
Sensors and gauges
- Ambient light sensor
- Proximity sensor
- Accelerometer
- Magnetometer
Connectors and interfaces
- USB connector
- USB Type-C
- Micro USB
- TRS jack (mini/micro jack)
- 3.5 mm
- 3.5 mm
- Wireless NFC
Images
- Supported image formats
-
- PNG
- JPEG
- GIF
- BMP
-
- PNG
- JPEG
- GIF
- BMP
- Installed image editor
- Geo tags
Video
- Installed video player
- Supported video formats
-
- MP4
- MPEG-4
- MKV
- AVI
- 3GPP
- 3GPP
- QuickTime
- H.263
- H.264
- WMV
-
- MP4
- MPEG-4
- AVI
- 3GPP
- 3GPP
- Xvid
- WMV
- Video resolution formats
-
- Full HD
- HD
-
- HD
- Streaming video
- Geo tags
Audio
- Installed audio player
- Supported audio formats
-
- AAC
- eAAC+
- AMR
- AMR-NB
- FLAC
- MIDI
- MP3
- OGG
- WMA
- WAV
-
- AAC
- eAAC+
- AMR
- AMR-NB
- FLAC
- MIDI
- MP3
- OGG
- WMA
- WAV
- MP3 support
- Streaming audio
- Dictaphone
- Voice notes
- TRS jack (mini/micro jack)
- 3.5 mm
- 3.5 mm
Control elements
- Touch input
- Multitouch
- Pinch zoom
- Russified input
Documents and office
- Installed Organizer (PIM)
- Office document support
- IMAP4 protocol support
- Convert speech to text
Connectivity and synchronization
- PC connection
- Tethering support
- Synchronization over the mobile network
- OTA sync
- Synchronization with services
-
- Gmail
- Gtalk
- Youtube
- Google search
- Google maps
-
- Gmail
- Gtalk
- Youtube
- Google search
- Google maps
Software features
- Installed browser
-
- HTML
- HTML5
- CSS3
- WAP
-
- HTML
- HTML5
- CSS3
- WAP
Receiving and sending SMS
- SMS messages
- SMS T9 support
- SMS output in the form of a chat
- MMS support
Impact protection
- Shockproof case
- Waterproof case
- Dustproof case
Security
- Fingerprint scanner
- Installed VPN
Additional features
- Standalone mode (flight mode)
