Comparison between:
- Avvio A50
- Avvio Pro 550
- Avvio L640
- Avvio Q797

Brand and model

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

Avvio A50Avvio Pro 550Avvio L640Avvio Q797
Avvio A50Avvio Pro 550Avvio L640Avvio Q797
Model alias-Pro550--

Design

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

Width70 mm
7 cm
0.23 ft
2.756 in
78.6 mm
7.86 cm
0.258 ft
3.094 in
71 mm
7.1 cm
0.233 ft
2.795 in
71 mm
7.1 cm
0.233 ft
2.795 in
Height140 mm
14 cm
0.459 ft
5.512 in
158 mm
15.8 cm
0.518 ft
6.22 in
142.2 mm
14.22 cm
0.467 ft
5.598 in
142.5 mm
14.25 cm
0.468 ft
5.61 in
Thickness8.1 mm
0.81 cm
0.027 ft
0.319 in
7.9 mm
0.79 cm
0.026 ft
0.311 in
9.15 mm
0.915 cm
0.03 ft
0.36 in
8.8 mm
0.88 cm
0.029 ft
0.346 in
Weight138 g
0.3 lbs
4.87 oz
163 g
0.36 lbs
5.75 oz
171 g
0.38 lbs
6.03 oz
145 g
0.32 lbs
5.11 oz
Volume79.38 cm³
4.82 in³
98.11 cm³
5.96 in³
92.38 cm³
5.61 in³
89.03 cm³
5.41 in³
ColorsChampagne
Rose-gold
Gray
BlackBlackBlack
White
Body materialsAluminium alloyPlasticPlasticPlastic

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
Micro-SIMMini-SIMMicro-SIM
Number of SIM cards2211
Features-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
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
GSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
W-CDMAW-CDMA 850 MHz
W-CDMA 1900 MHz
W-CDMA 850 MHz
W-CDMA 1900 MHz
W-CDMA 850 MHz
W-CDMA 1900 MHz
W-CDMA 850 MHz
W-CDMA 1900 MHz
LTELTE 1700/2100 MHz
LTE 1900 MHz
LTE 2600 MHz
LTE 700 MHz (B28)
LTE 700 MHz Class 17
LTE 1700/2100 MHz
LTE 1900 MHz
LTE 2600 MHz
LTE 1700/2100 MHz
LTE 1900 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 4
UMTS
EDGE
GPRS
HSPA+
LTE Cat 4
UMTS
EDGE
GPRS
HSPA+

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 7.0 NougatAndroid 7.0 NougatAndroid 5.1 LollipopAndroid 5.1 Lollipop

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 MT6737V/WMediaTek MT6735WPMediaTek MT6735MMediaTek MT6580M
Process technology28 nm28 nm28 nm28 nm
CPUARM Cortex-A53ARM Cortex-A53ARM Cortex-A53ARM Cortex-A7
CPU bits64 bit64 bit64 bit32 bit
Instruction setARMv8-AARMv8-AARMv8-AARMv7
Level 1 cache memory (L1)32 KB + 32 KB32 KB + 32 KB32 KB + 32 KB32 KB + 32 KB
Level 2 cache memory (L2)512 KB
0.5 MB
512 KB
0.5 MB
512 KB
0.5 MB
512 KB
0.5 MB
CPU cores4444
CPU frequency1250 MHz1000 MHz1000 MHz1300 MHz
GPUARM Mali-T720 MP1ARM Mali-T720 MP1ARM Mali-T720 MP1ARM Mali-400 MP2
GPU cores1112
GPU frequency--500 MHz416 MHz
RAM capacity1 GB1 GB1 GB1 GB
RAM typeLPDDR3LPDDR3LPDDR3LPDDR3
RAM channelsSingle channelSingle channelSingle channelSingle channel
RAM frequency640 MHz533 MHz533 MHz533 MHz

Storage

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

Storage16 GB8 GB8 GB8 GB

Memory cards

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

TypesmicroSD
microSDHC
microSDXC
microSD
microSDHC
microSD
microSDHC
microSD
microSDHC

Display

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

Type/technologyIPSIPSTFTIPS
Diagonal size5 in
127 mm
12.7 cm
5.5 in
139.7 mm
13.97 cm
5 in
127 mm
12.7 cm
5 in
127 mm
12.7 cm
Width2.45 in
62.26 mm
6.23 cm
2.7 in
68.49 mm
6.85 cm
2.45 in
62.23 mm
6.22 cm
2.45 in
62.23 mm
6.22 cm
Height4.36 in
110.69 mm
11.07 cm
4.79 in
121.76 mm
12.18 cm
4.36 in
110.71 mm
11.07 cm
4.36 in
110.71 mm
11.07 cm
Aspect ratio1.778:1
16:9
1.778:1
16:9
1.779:11.779:1
Resolution720 x 1280 pixels720 x 1280 pixels480 x 854 pixels480 x 854 pixels
Pixel density294 ppi
115 ppcm
267 ppi
104 ppcm
196 ppi
77 ppcm
196 ppi
77 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area70.55 %67.37 %68.46 %68.31 %
Other featuresCapacitive
Multi-touch
Capacitive
Multi-touch
Capacitive
Multi-touch
Capacitive
Multi-touch

Sensors

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

SensorsProximity
Light
Accelerometer
Fingerprint
Proximity
Light
Accelerometer
Proximity
Light
Accelerometer
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 typeCMOSCMOSCMOSCMOS
Flash typeLEDLEDLEDLED
Image resolution4160 x 3120 pixels
12.98 MP
3264 x 2448 pixels
7.99 MP
3264 x 2448 pixels
7.99 MP
3264 x 2448 pixels
7.99 MP
Video resolution1920 x 1080 pixels
2.07 MP
1280 x 720 pixels
0.92 MP
1280 x 720 pixels
0.92 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
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Autofocus
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
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
-Interpolated resolution - 12 MP--

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.

Image resolution1600 x 1200 pixels
1.92 MP
1600 x 1200 pixels
1.92 MP
2560 x 1920 pixels
4.92 MP
2560 x 1920 pixels
4.92 MP
Video resolution640 x 480 pixels
0.31 MP
640 x 480 pixels
0.31 MP
640 x 480 pixels
0.31 MP
640 x 480 pixels
0.31 MP
Video FPS30 fps30 fps30 fps30 fps
Interpolated resolution - 5 MPInterpolated resolution - 5 MP--

Audio

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

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece

Radio

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

RadioYesYesYesYes

Tracking/Positioning

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

Tracking/PositioningGPS
A-GPS
GPS
A-GPS
GPS
A-GPS
GPS
A-GPS

Wi-Fi

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

Wi-Fi802.11b
802.11g
802.11n
Wi-Fi Hotspot
802.11b
802.11g
802.11n
Wi-Fi Hotspot
802.11b
802.11g
802.11n
Wi-Fi Hotspot
802.11b
802.11g
802.11n
Wi-Fi Hotspot

Bluetooth

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

Version4.04.04.04.0
FeaturesA2DPA2DPA2DPA2DP

USB

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

Connector typeMicro USBMicro USBMicro USBMicro USB
Version2.02.02.02.0
FeaturesCharging
Mass storage
Charging
Mass storage
Charging
Mass storage
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 jackYesYesYesYes

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer sync
OTA sync
Tethering
Computer sync
OTA sync
Tethering
Computer sync
OTA sync
Tethering
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
AMR
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
AAC
AMR
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
AAC
AMR
eAAC+
FLAC
MIDI
MP3
OGG
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
MP4
Xvid
3GPP
AVI
MP4
Xvid
3GPP
AVI
MP4
Xvid
3GPP
AVI
MP4

Battery

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

Capacity2200 mAh2500 mAh1600 mAh1950 mAh
TypeLi-IonLi-IonLi-IonLi-Ion
2G talk time5 h
300 min
0.2 days
---
2G stand-by time100 h
6000 min
4.2 days
---
3G talk time5 h
300 min
0.2 days
---
3G stand-by time100 h
6000 min
4.2 days
---
Charger output power---5 V / 1 A
FeaturesNon-removableRemovableRemovableRemovable

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 (USA)--0.26 W/kg0.48 W/kg
Body SAR (USA)--0.98 W/kg1.18 W/kg
 Avvio A50Avvio Pro 550Avvio L640Avvio Q797