Comparison between:
- Blackview BV4900 Pro
- Nokia 8
- Blackview BV9000
- Digma Citi ATL 4G

Brand and model

Information about the brand, model and model alias (if any) of a specific device.

Blackview BV4900 ProNokia 8Blackview BV9000Digma Citi ATL 4G
Blackview BV4900 Pro
Prices
Nokia 8
Prices
Blackview BV9000
Prices
Digma Citi ATL 4G
Model alias-TA-1012-CS5029ML

Design

Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.

Width78.1 mm
7.81 cm
0.256 ft
3.075 in
73.7 mm
7.37 cm
0.242 ft
2.902 in
81.1 mm
8.11 cm
0.266 ft
3.193 in
72.5 mm
7.25 cm
0.238 ft
2.854 in
Height157.5 mm
15.75 cm
0.517 ft
6.201 in
151.5 mm
15.15 cm
0.497 ft
5.965 in
162 mm
16.2 cm
0.531 ft
6.378 in
143.5 mm
14.35 cm
0.471 ft
5.65 in
Thickness13.7 mm
1.37 cm
0.045 ft
0.539 in
7.9 mm
0.79 cm
0.026 ft
0.311 in
13.4 mm
1.34 cm
0.044 ft
0.528 in
10 mm
1 cm
0.033 ft
0.394 in
Weight261 g
0.58 lbs
9.21 oz
160 g
0.35 lbs
5.64 oz
253 g
0.56 lbs
8.92 oz
168 g
0.37 lbs
5.93 oz
Volume168.52 cm³
10.23 in³
88.21 cm³
5.36 in³
176.05 cm³
10.69 in³
104.04 cm³
6.32 in³
ColorsBlack
Green
Orange
Yellow
Blue
Silver
Copper
Silver
Gold
Gray
Black
White
Body materialsPolycarbonate
Rubber
Silicone
Aluminium alloyPlastic
Aluminium alloy
Plastic
CertificationIP68
MIL-STD-810G
IP54IP68-

SIM card

The Subscriber Identity Module (SIM) is used in mobile devices for storing data authenticating the subscribers of mobile services.

SIM card typeNano-SIM
Nano-SIM / microSD
Nano-SIM
Nano-SIM / microSD
Nano-SIM
Nano-SIM / microSD
Micro-SIM
Nano-SIM
Number of SIM cards2222
FeaturesDual SIM stand-by (Both cards are active. When one is busy, the other is not active)--Dual SIM stand-by (Both cards are active. When one is busy, the other is not active)

Networks

A mobile (cellular) network is a radio system, which allows a large number of mobile devices to communicate with each other.

GSMGSM 850 MHz (B5)
GSM 900 MHz (B8)
GSM 1800 MHz (B3)
GSM 1900 MHz (B2)
GSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
GSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
GSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
CDMA-CDMA 800 MHz
CDMA 1900 MHz
--
W-CDMAW-CDMA 850 MHz (B5)
W-CDMA 900 MHz (B8)
W-CDMA 1700 MHz (B4)
W-CDMA 1900 MHz (B2)
W-CDMA 2100 MHz (B1)
-W-CDMA 900 MHz
W-CDMA 2100 MHz
-
TD-SCDMA--TD-SCDMA 1880-1920 MHz
TD-SCDMA 2010-2025 MHz
-
UMTS-UMTS 850 MHz
UMTS 900 MHz
UMTS 1900 MHz
UMTS 2100 MHz
-UMTS 900 MHz
UMTS 2100 MHz
LTELTE-FDD 800 MHz (B20)
LTE-FDD 900 MHz (B8)
LTE-FDD 1800 MHz (B3)
LTE-FDD 2100 MHz (B1)
LTE-FDD 2600 MHz (B7)
LTE-TDD 2300 MHz (B40)
LTE-TDD 1900 MHz (B39)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)
LTE 850 MHz
LTE 1700/2100 MHz
LTE 1800 MHz
LTE 1900 MHz
LTE 2100 MHz
LTE 2600 MHz
LTE 800 MHz
LTE 900 MHz
LTE 1800 MHz
LTE 2100 MHz
LTE 2600 MHz
LTE-TDD 1900 MHz (B39)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)
LTE 1800 MHz
LTE 2100 MHz
LTE 2600 MHz

Mobile network technologies and bandwidth

Communication between devices within mobile networks is realized via various generations of network technologies, which provide different bandwidth.

Mobile network technologiesUMTS
EDGE
GPRS
HSPA+
LTE Cat 4
UMTS
EDGE
GPRS
HSPA
LTE Cat 9
EV-DO Rev. A
UMTS
EDGE
GPRS
HSPA+
LTE Cat 6
TD-SCDMA
TD-HSDPA
UMTS
EDGE
GPRS
HSPA+
LTE Cat 4

Operating system

Operating system is the system software, which manages and controls the functioning of the hardware components of the device.

Operating system (OS)Android 10Android 7.1.1 Nougat
Android 8.0 Oreo
Android 8.1 Oreo
Android 7.1.1 Nougat
Android 8.0 Oreo
Android 7.0 Nougat

System on Chip (SoC)

A system on a chip (SoC) includes into a single chip some of the main hardware components of the mobile device.

SoCMediaTek Helio A25 (MT6762V)Qualcomm Snapdragon 835 MSM8998MediaTek Helio P25 (MT6757CD)MediaTek MT6737
Process technology12 nm10 nm16 nm28 nm
CPU4x 2.0 GHz ARM Cortex-A53, 4x 1.5 GHz ARM Cortex-A534x 2.45 GHz Kryo 280, 4x 1.9 GHz Kryo 2804x 2.4 GHz ARM Cortex-A53, 4x 1.6 GHz ARM Cortex-A53ARM Cortex-A53
CPU bits64 bit64 bit64 bit64 bit
Instruction setARMv8-AARMv8-AARMv8-AARMv8-A
Level 1 cache memory (L1)-32 KB + 32 KB256 KB + 256 KB32 KB + 32 KB
Level 2 cache memory (L2)-3072 KB
3 MB
2048 KB
2 MB
512 KB
0.5 MB
CPU cores8884
CPU frequency2000 MHz2450 MHz2400 MHz1250 MHz
GPUIMG PowerVR GE8320Qualcomm Adreno 540ARM Mali-T880 MP2ARM Mali-T720 MP1
GPU cores--21
GPU frequency650 MHz710 MHz900 MHz600 MHz
RAM capacity4 GB4 GB
6 GB
4 GB3 GB
RAM typeLPDDR3LPDDR4XLPDDR4XLPDDR3
RAM channelsSingle channelDouble channelDouble channelSingle channel
RAM frequency933 MHz1866 MHz1600 MHz640 MHz

Storage

Every mobile device has a built-in storage (internal memory) with a fixed capacity.

Storage64 GB64 GB
128 GB
64 GB32 GB
eMMCUFS 2.1--

Memory cards

Memory cards are used in mobile devices for expanding their external storage capacity.

TypesmicroSD
microSDHC
microSDXC
microSD
microSDHC
microSDXC
microSD
microSDHC
microSDXC
microSD
microSDHC
microSDXC

Display

The display of a mobile device is characterized by its technology, resolution, pixel density, diagonal length, color depth, etc.

Type/technologyIPSIPSIPSIPS
Diagonal size5.7 in
144.78 mm
14.48 cm
5.3 in
134.62 mm
13.46 cm
5.7 in
144.78 mm
14.48 cm
5 in
127 mm
12.7 cm
Width2.55 in
64.75 mm
6.47 cm
2.6 in
66 mm
6.6 cm
2.55 in
64.75 mm
6.47 cm
2.45 in
62.26 mm
6.23 cm
Height5.1 in
129.5 mm
12.95 cm
4.62 in
117.33 mm
11.73 cm
5.1 in
129.5 mm
12.95 cm
4.36 in
110.69 mm
11.07 cm
Aspect ratio2:1
2:1 (18:9)
1.778:1
16:9
2:1
2:1 (18:9)
1.778:1
16:9
Resolution720 x 1440 pixels1440 x 2560 pixels720 x 1440 pixels720 x 1280 pixels
Pixel density282 ppi
110 ppcm
554 ppi
217 ppcm
282 ppi
110 ppcm
294 ppi
115 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area68.38 %69.58 %64.02 %66.46 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Dragontrail Glass
Panel manufacturer - Panda
Corning Gorilla Glass 5
2.5D curved glass screen
Always-On Display
700 cd/m²
Corning Gorilla Glass 52.5D curved glass screen

Sensors

Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.

SensorsProximity
Light
Accelerometer
Compass
Gyroscope
Magnetometer
Proximity
Light
Accelerometer
Compass
Gyroscope
Barometer
Fingerprint
Hall
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Proximity
Light
Accelerometer

Rear camera

The primary camera of the mobile device is usually placed on its back and can be combined with one or more additional cameras.

Sensor modelSamsung S5K3L2-OmniVision OV13855-
Sensor typeCMOSCMOSPureCelCMOS
Sensor size--4.75 x 3.54 mm
0.23 in
-
Pixel size-1.12 µm
0.001120 mm
1.142 µm
0.001142 mm
-
Crop factor--7.31-
ISO--100 - 1600-
Aperturef/2.2f/2f/2-
Focal length and 35 mm equivalent-3.58 mm3.5 mm
25.58 mm *(35 mm / full frame)
-
Field of view-76.9 °--
Number of lenses--5-
Flash typeLEDDual LEDLEDLED
Image resolution4160 x 3120 pixels
12.98 MP
4160 x 3120 pixels
12.98 MP
4160 x 3120 pixels
12.98 MP
4160 x 3120 pixels
12.98 MP
Video resolution1920 x 1080 pixels
2.07 MP
3840 x 2160 pixels
8.29 MP
1920 x 1080 pixels
2.07 MP
1280 x 720 pixels
0.92 MP
Video FPS30 fps30 fps30 fps30 fps
FeaturesAutofocus
Continuous shooting
Digital zoom
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Autofocus
Continuous shooting
Digital zoom
Optical image stabilization
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Phase detection autofocus (PDAF)
Laser autofocus (LAF)
Autofocus
Continuous shooting
Digital zoom
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Phase detection autofocus (PDAF)
Autofocus
Continuous shooting
Digital zoom
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Secondary rear camera
Third rear camera
Carl Zeiss lens
Secondary rear camera - 13 MP (monochrome)
Secondary rear camera - 5 MP
Sensor model - Samsung S5K5E2 (#2)
Sensor type - CMOS BSI (#2)
Sensor size - 2.9 x 2.15 mm (#2)
-

Front camera

Modern smartphones have one or more front cameras and their positioning has led to various design concepts – pop-up camera, rotating camera, notch, punch hole, under-display camera, etc.

Sensor modelSamsung S5K4E2-Sony IMX219PQ Exmor R-
Sensor typeCMOSCMOSCMOS BSI-
Sensor size--3.67 x 2.76 mm
0.18 in
-
Sensor format1/4"---
Pixel size1.4 µm
0.001400 mm
1.12 µm
0.001120 mm
1.124 µm
0.001124 mm
-
Crop factor--9.42-
Aperturef/2.2f/2f/2.2-
Focal length and 35 mm equivalent--3.5 mm
32.98 mm *(35 mm / full frame)
-
Field of view-78.4 °--
Auxiliary light---LED
Image resolution2560 x 1920 pixels
4.92 MP
4160 x 3120 pixels
12.98 MP
3264 x 2448 pixels
7.99 MP
2560 x 1920 pixels
4.92 MP
Video resolution1280 x 720 pixels
0.92 MP
1920 x 1080 pixels
2.07 MP
1280 x 720 pixels
0.92 MP
640 x 480 pixels
0.31 MP
Video FPS30 fps30 fps30 fps30 fps
FeaturesFace unlockPhase detection autofocus (PDAF)--

Audio

Information about the type of speakers and the audio technologies supported by the device.

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece
Stereo speakers
Loudspeaker
Earpiece
Loudspeaker
Earpiece
-OZO AudioHeadphone adapter-

Radio

The radio in a mobile device is a built-in FM radio receiver.

RadioYesNoYesYes

Tracking/Positioning

Information about the positioning and navigation technologies supported by the device.

Tracking/PositioningGPS
A-GPS
GLONASS
BeiDou
Galileo
GPS
A-GPS
GLONASS
BeiDou
Galileo
GPS
A-GPS
GLONASS
GPS
A-GPS

Wi-Fi

Wi-Fi is a technology that provides wireless data connections between various devices within a short range.

Wi-Fi802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
Wi-Fi Display
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
802.11b
802.11g
802.11n
802.11n 5GHz
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
802.11b
802.11g
802.11n
Wi-Fi Hotspot
-MiMO--

Bluetooth

Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.

Version5.05.04.14.0
FeaturesA2DPA2DPA2DPA2DP

USB

The Universal Serial Bus (USB) is an industry standard that allows different electronic devices to exchange data.

Connector typeUSB Type-CUSB Type-CUSB Type-CMicro USB
Version2.03.12.02.0
FeaturesCharging
Mass storage
On-The-Go
Charging
Mass storage
On-The-Go
Charging
Mass storage
On-The-Go
Charging
Mass storage

Headphone jack

The headphone jack is an audio phone connector, a.k.a. an audio jack. The most widely used one in mobile devices is the 3.5 mm headphone jack.

Headphone jackYesYesNoYes

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer sync
OTA sync
Tethering
NFC
Computer sync
OTA sync
Tethering
NFC
VoLTE
ANT+
Computer sync
OTA sync
Tethering
NFC
Computer sync
OTA sync
Tethering

Browser

A web browser is a software application for accessing, fetching, displaying and navigating through information on the World Wide Web.

BrowserHTML
HTML5
CSS 3
HTML
HTML5
CSS 3
HTML
HTML5
CSS 3
HTML
HTML5
CSS 3

Audio file formats/codecs

Mobile devices support various audio file formats and codecs, which respectively store and code/decode digital audio data.

Audio file formats/codecsAAC
AMR
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
AAC
AAC+
AMR
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
AAC
AMR
eAAC+
FLAC
M4A
MIDI
MP3
OGG
WMA
WAV
AAC
AMR
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV

Video file formats/codecs

Mobile devices support various video file formats and codecs, which respectively store and code/decode digital video data.

Video file formats/codecs3GPP
AVI
DivX
H.263
H.264
MKV
MP4
WebM
Xvid
3GPP
AVI
H.263
H.264
MKV
MP4
WMV
Xvid
3GPP
AVI
Flash Video
H.263
H.264
MKV
QuickTime
MP4
WebM
Xvid
3GPP
AVI
MP4
Xvid

Battery

The batteries of mobile devices differ in capacity and technology. They provide the electrical charge needed for the functioning of the devices.

Capacity5580 mAh3090 mAh4180 mAh3800 mAh
TypeLi-PolymerLi-PolymerLi-PolymerLi-Ion
2G talk time-23 h 30 min
23.5 h
1410 min
1 days
--
2G stand-by time-208 h 48 min
208.8 h
12528 min
8.7 days
--
3G talk time23 h
1380 min
1 days
23 h 30 min
23.5 h
1410 min
1 days
--
3G stand-by time600 h
36000 min
25 days
208 h 48 min
208.8 h
12528 min
8.7 days
--
Charger output power5 V / 1.2 A9 V / 2 A5 V / 2 A
7 V / 2 A
9 V / 2 A
12 V / 2 A
-
Quick charge technology-Qualcomm Quick Charge 3.0--
FeaturesNon-removableFast charging
Non-removable
Fast charging
Non-removable
Non-removable

Specific Absorption Rate (SAR)

The SAR rating shows the amount of electromagnetic radiation absorbed by the human body when using a mobile device, expressed in W/kg.

Head SAR (EU)-0.711 W/kg--
Body SAR (EU)-1.33 W/kg--
Head SAR (USA)-1.09 W/kg--
Body SAR (USA)-0.49 W/kg--
 Blackview BV4900 ProNokia 8Blackview BV9000Digma Citi ATL 4G