Comparison between:
- Amoi A928W
- Amoi A955T
- Amoi A920W

Brand and model

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

Amoi A928WAmoi A955TAmoi A920W
Amoi A928WAmoi A955TAmoi A920W
Model alias--Big V2

Design

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

Width70.5 mm
7.05 cm
0.231 ft
2.776 in
74 mm
7.4 cm
0.243 ft
2.913 in
70.5 mm
7.05 cm
0.231 ft
2.776 in
Height140 mm
14 cm
0.459 ft
5.512 in
148 mm
14.8 cm
0.486 ft
5.827 in
140 mm
14 cm
0.459 ft
5.512 in
Thickness8.3 mm
0.83 cm
0.027 ft
0.327 in
7.8 mm
0.78 cm
0.026 ft
0.307 in
8.3 mm
0.83 cm
0.027 ft
0.327 in
Weight140 g
0.31 lbs
4.94 oz
139 g
0.31 lbs
4.9 oz
159 g
0.35 lbs
5.61 oz
Volume81.92 cm³
4.97 in³
85.43 cm³
5.19 in³
81.92 cm³
4.97 in³
ColorsWhiteSilverWhite
Blue
Body materialsPlastic-Plastic

SIM card

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

SIM card typeMicro-SIMMicro-SIMMicro-SIM
Mini-SIM
Number of SIM cards222
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)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 900 MHz
GSM 1800 MHz
GSM 1900 MHz
GSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
W-CDMAW-CDMA 2100 MHz-W-CDMA 900 MHz
W-CDMA 1700 MHz
W-CDMA 1900 MHz
W-CDMA 2100 MHz
TD-SCDMA-TD-SCDMA 1880-1920 MHz
TD-SCDMA 2010-2025 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+
EDGE
GPRS
TD-SCDMA
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 4.2.2 Jelly BeanAndroid 4.2.2 Jelly BeanAndroid 4.2.2 Jelly Bean

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 MT6592WMediaTek MT6591MediaTek MT6589T
Process technology28 nm28 nm28 nm
CPU8x 1.7 GHz ARM Cortex-A76x 1.5 GHz ARM Cortex-A74x 1.5 GHz ARM Cortex-A7
CPU bits32 bit32 bit32 bit
Instruction setARMv7-AARMv7-AARMv7-A
Level 1 cache memory (L1)32 KB + 32 KB-32 KB + 32 KB
Level 2 cache memory (L2)1024 KB
1 MB
-1024 KB
1 MB
CPU cores864
CPU frequency1700 MHz1500 MHz1500 MHz
GPUARM Mali-450 MP4ARM Mali-450 MP4IMG PowerVR SGX544 MP
GPU cores441
GPU frequency700 MHz600 MHz357 MHz
RAM capacity2 GB2 GB2 GB
RAM typeLPDDR3LPDDR2/LPDDR3LPDDR2
RAM channelsSingle channelSingle channelSingle channel
RAM frequency666 MHz533 MHz533 MHz

Storage

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

Storage32 GB8 GB32 GB

Memory cards

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

TypesmicroSD
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/technologyIPSIPSIPS
Diagonal size5 in
127 mm
12.7 cm
5.5 in
139.7 mm
13.97 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
62.26 mm
6.23 cm
Height4.36 in
110.69 mm
11.07 cm
4.79 in
121.76 mm
12.18 cm
4.36 in
110.69 mm
11.07 cm
Aspect ratio1.778:1
16:9
1.778:1
16:9
1.778:1
16:9
Resolution1080 x 1920 pixels1080 x 1920 pixels1080 x 1920 pixels
Pixel density441 ppi
173 ppcm
401 ppi
157 ppcm
441 ppi
173 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area70.05 %76.39 %70.05 %
Other featuresCapacitive
Multi-touch
Capacitive
Multi-touch
Capacitive
Multi-touch
OGS (One Glass Solution)OGS (One Glass Solution)
Full Lamination Technology
OGS (One Glass Solution)
Full Lamination Technology

Sensors

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

SensorsProximity
Light
Accelerometer
Compass
Gyroscope
Gravity
Proximity
Light
Accelerometer
Compass
Gravity
Proximity
Light
Accelerometer
Compass
Gyroscope
Gravity

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 typeCMOSCMOSCMOS
Aperture-f/2.2f/2.2
Flash typeLEDLEDLED
Image resolution4160 x 3120 pixels
12.98 MP
3264 x 2448 pixels
7.99 MP
4160 x 3120 pixels
12.98 MP
Video resolution1920 x 1080 pixels
2.07 MP
1280 x 720 pixels
0.92 MP
1920 x 1080 pixels
2.07 MP
Video FPS30 fps30 fps30 fps
FeaturesAutofocus
Digital zoom
Digital image stabilization
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Scene mode
Autofocus
Digital zoom
Digital image stabilization
Geotagging
Panorama
Touch focus
Autofocus
Digital zoom
Digital image stabilization
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Scene mode

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
-3264 x 2448 pixels
7.99 MP
-2 MP-

Audio

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

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece

Radio

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

RadioYesYesYes

Tracking/Positioning

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

Tracking/PositioningGPS
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
802.11a
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.

Version4.04.04.0
FeaturesA2DP-A2DP

USB

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

Connector typeMicro USBMicro USBMicro USB
Version2.02.02.0
FeaturesCharging
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 jackYesYesYes

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

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

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
AMR-WB
eAAC+
MP3
WMA
WAV
MIDI
MP3
WMA
WAV
AAC
AMR
AMR-WB
eAAC+
MP3
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
H.263
H.264
MP4
VP9
AVI
DivX
MKV
MP4
3GPP
AVI
H.263
H.264
MP4
VP9

Battery

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

Capacity2100 mAh2500 mAh2100 mAh
TypeLi-IonLi-IonLi-Ion
2G talk time--8 h
480 min
0.3 days
2G stand-by time-200 h
12000 min
8.3 days
200 h
12000 min
8.3 days
3G talk time--6 h
360 min
0.3 days
3G stand-by time--200 h
12000 min
8.3 days
FeaturesRemovable-Removable
 Amoi A928WAmoi A955TAmoi A920W