Comparison between:
- Impression ImSmart C502 Ultra Power 5000
- Impression ImSmart A554 Slim Power 3800
- Impression ImSmart A504 Slim Power 3200
- Impression ImSmart A404 Slim Power 1800

Brand and model

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

Impression ImSmart C502 Ultra Power 5000Impression ImSmart A554 Slim Power 3800Impression ImSmart A504 Slim Power 3200Impression ImSmart A404 Slim Power 1800
Impression ImSmart C502 Ultra Power 5000Impression ImSmart A554 Slim Power 3800Impression ImSmart A504 Slim Power 3200Impression ImSmart A404 Slim Power 1800
Model aliasC502A554A504A404

Design

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

Width73.2 mm
7.32 cm
0.24 ft
2.882 in
78.5 mm
7.85 cm
0.258 ft
3.091 in
72.5 mm
7.25 cm
0.238 ft
2.854 in
63 mm
6.3 cm
0.207 ft
2.48 in
Height144.7 mm
14.47 cm
0.475 ft
5.697 in
154 mm
15.4 cm
0.505 ft
6.063 in
143 mm
14.3 cm
0.469 ft
5.63 in
126.1 mm
12.61 cm
0.414 ft
4.965 in
Thickness10.2 mm
1.02 cm
0.033 ft
0.402 in
8.7 mm
0.87 cm
0.029 ft
0.343 in
9 mm
0.9 cm
0.03 ft
0.354 in
9.9 mm
0.99 cm
0.032 ft
0.39 in
Weight162 g
0.36 lbs
5.71 oz
168 g
0.37 lbs
5.93 oz
150 g
0.33 lbs
5.29 oz
111 g
0.24 lbs
3.92 oz
Volume108.04 cm³
6.56 in³
105.17 cm³
6.39 in³
93.31 cm³
5.67 in³
78.65 cm³
4.78 in³
ColorsBlueBlackBlackBlack
Blue
Body materialsPlastic
Metal
PlasticPlasticPlastic

SIM card

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

SIM card typeMicro-SIM
Mini-SIM
Micro-SIMMicro-SIMMicro-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)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 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
UMTSUMTS 900 MHz
UMTS 2100 MHz
UMTS 900 MHz
UMTS 2100 MHz
UMTS 900 MHz
UMTS 2100 MHz
UMTS 900 MHz
UMTS 2100 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+
UMTS
EDGE
GPRS
HSPA+
UMTS
EDGE
GPRS
HSPA+
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 7.0 NougatAndroid 6.0 Marshmallow

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 MT6580AMediaTek MT6580AMediaTek MT6580ASpreadtrum SC7731G
Process technology28 nm28 nm28 nm28 nm
CPUARM Cortex-A7ARM Cortex-A7ARM Cortex-A7ARM Cortex-A7
CPU bits32 bit32 bit32 bit32 bit
Instruction setARMv7ARMv7ARMv7ARMv7
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 frequency1300 MHz1300 MHz1300 MHz1200 MHz
GPUARM Mali-400 MP2ARM Mali-400 MP2ARM Mali-400 MP2ARM Mali-400 MP2
GPU cores2222
GPU frequency---400 MHz
RAM capacity2 GB1 GB1 GB512 MB
RAM typeLPDDR3LPDDR3LPDDR3-
RAM channelsSingle channelSingle channelSingle channel-
RAM frequency533 MHz533 MHz533 MHz-

Storage

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

Storage16 GB16 GB16 GB8 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
microSD
microSDHC
microSDXC

Display

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

Type/technologyIPSIPSIPSTFT
Diagonal size5 in
127 mm
12.7 cm
5.5 in
139.7 mm
13.97 cm
5 in
127 mm
12.7 cm
4 in
101.6 mm
10.16 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
2.06 in
52.27 mm
5.23 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
3.43 in
87.12 mm
8.71 cm
Aspect ratio1.778:1
16:9
1.778:1
16:9
1.778:1
16:9
1.667:1
5:3
Resolution720 x 1280 pixels720 x 1280 pixels720 x 1280 pixels480 x 800 pixels
Pixel density294 ppi
115 ppcm
267 ppi
104 ppcm
294 ppi
115 ppcm
233 ppi
91 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area65.28 %69.2 %66.69 %57.51 %
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
Proximity
Light
Accelerometer
Proximity
Light
Accelerometer
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
4160 x 3120 pixels
12.98 MP
3264 x 2448 pixels
7.99 MP
2592 x 1944 pixels
5.04 MP
Video resolution1280 x 720 pixels
0.92 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

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 resolution2560 x 1920 pixels
4.92 MP
2560 x 1920 pixels
4.92 MP
2560 x 1920 pixels
4.92 MP
1600 x 1200 pixels
1.92 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

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+
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.

Capacity5000 mAh3800 mAh3200 mAh1800 mAh
TypeLi-PolymerLi-IonLi-IonLi-Ion
Charger output power5 V / 2 A5 V / 2 A5 V / 2 A5 V / 2 A
FeaturesRemovableRemovableRemovableRemovable
 Impression ImSmart C502 Ultra Power 5000Impression ImSmart A554 Slim Power 3800Impression ImSmart A504 Slim Power 3200Impression ImSmart A404 Slim Power 1800