Comparison between:
- Samsung Galaxy Tab S3
- Alldocube U30GT2
- PiPO Tab P1

Brand and model

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

Samsung Galaxy Tab S3Alldocube U30GT2PiPO Tab P1
Samsung Galaxy Tab S3
Prices
Alldocube U30GT2PiPO Tab P1
Model aliasSM-T825
T825
SM-T827V
T827V
--

Design

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

Width237.3 mm
23.73 cm
0.78 ft
9.34 in
260.5 mm
26.05 cm
0.85 ft
10.26 in
242 mm
24.2 cm
0.79 ft
9.53 in
Height169 mm
16.9 cm
0.55 ft
6.65 in
170.5 mm
17.05 cm
0.56 ft
6.71 in
189 mm
18.9 cm
0.62 ft
7.44 in
Thickness6 mm
0.6 cm
0.02 ft
0.24 in
9.6 mm
0.96 cm
0.03 ft
0.38 in
10 mm
1 cm
0.03 ft
0.39 in
Weight434 g
0.96 lbs
15.31 oz
670 g
1.48 lbs
23.63 oz
655 g
1.44 lbs
23.1 oz
Volume240.62 cm³
14.61 in³
426.39 cm³
25.89 in³
457.38 cm³
27.78 in³
ColorsBlack
Silver
WhiteBlack
Body materialsMetal
Glass
-Aluminium alloy

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--
Number of SIM cards1--

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
--
W-CDMA--W-CDMA 900 MHz
W-CDMA 2100 MHz
UMTSUMTS 850 MHz
UMTS 900 MHz
UMTS 1900 MHz
UMTS 2100 MHz
--
LTELTE 700 MHz Class 13
LTE 700 MHz Class 17
LTE 800 MHz
LTE 850 MHz
LTE 900 MHz
LTE 1700/2100 MHz
LTE 1800 MHz
LTE 1900 MHz
LTE 2100 MHz
LTE 2600 MHz
LTE-TDD 2300 MHz (B40)
LTE 700 MHz (B28)
--

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 6
-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 Nougat
Androd 8.0 Oreo
Android 4.1.1 Jelly Bean
Android 4.2.2 Jelly Bean
Android 4.4.2 KitKat

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.

SoCQualcomm Snapdragon 820 MSM8996Rockchip RK3188Rockchip RK3288
Process technology14 nm28 nm28 nm
CPU2x 2.15 GHz Kryo, 2x 1.6 GHz KryoARM Cortex-A9ARM Cortex-A17
CPU bits64 bit32 bit32 bit
Instruction setARMv8-AARMv7-AARMv7-A
Level 1 cache memory (L1)32 KB + 32 KB32 KB + 32 KB32 KB + 32 KB
Level 2 cache memory (L2)1536 KB
1.5 MB
512 KB
0.5 MB
512 KB
0.5 MB
CPU cores444
CPU frequency2150 MHz1800 MHz1800 MHz
GPUQualcomm Adreno 530ARM Mali-400 MP4ARM Mali-T764 MP4
GPU cores-44
GPU frequency624 MHz533 MHz-
RAM capacity4 GB2 GB2 GB
RAM typeLPDDR4DDR3LPDDR3
RAM channelsDouble channel-Double channel
RAM frequency1866 MHz--

Storage

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

Storage32 GB32 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/technologySuper AMOLEDIPSIPS
Diagonal size9.7 in
246.38 mm
24.64 cm
10.1 in
256.54 mm
25.65 cm
9.7 in
246.38 mm
24.64 cm
Width7.76 in
197.1 mm
19.71 cm
8.56 in
217.55 mm
21.75 cm
7.76 in
197.1 mm
19.71 cm
Height5.82 in
147.83 mm
14.78 cm
5.35 in
135.97 mm
13.6 cm
5.82 in
147.83 mm
14.78 cm
Aspect ratio1.333:1
4:3
1.6:1
16:10
1.333:1
4:3
Resolution2048 x 1536 pixels1920 x 1200 pixels2048 x 1536 pixels
Pixel density264 ppi
103 ppcm
224 ppi
88 ppcm
264 ppi
103 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area72.89 %66.81 %63.91 %
Other featuresCapacitive
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
Compass
Gyroscope
Fingerprint
Hall
Accelerometer
Gyroscope
Gravity
Light
Accelerometer
Compass
Gyroscope

Primary camera

The primary camera of the mobile device is usually placed at its back and is used for taking photos and recording videos.

Sensor typeCMOS BSI-CMOS BSI
Aperturef/1.9f/2.8-
Flash typeLEDLEDLED
Image resolution4160 x 3120 pixels
12.98 MP
2592 x 1944 pixels
5.04 MP
3264 x 2448 pixels
7.99 MP
Video resolution3840 x 2160 pixels
8.29 MP
640 x 480 pixels
0.31 MP
-
Video FPS30 fps14 fps-
FeaturesAutofocus
Continuous shooting
Digital zoom
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
AutofocusAutofocus
Focal length (35 mm equivalent) - 27 mm--

Secondary camera

Secondary cameras are placed above the screen of the device and are usually used for video calls, gesture recognition, etc.

Sensor typeCMOS BSI--
Aperturef/2.2--
Image resolution2592 x 1944 pixels
5.04 MP
1600 x 1200 pixels
1.92 MP
1600 x 1200 pixels
1.92 MP
Video resolution1920 x 1080 pixels
2.07 MP
640 x 480 pixels
0.31 MP
-
Video FPS30 fps14 fps-
Focal length (35 mm equivalent) - 23 mm--

Audio

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

SpeakerLoudspeaker
Stereo speakers
Earpiece
Stereo speakers
Loudspeaker
Earpiece
4x speakers--

Radio

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

RadioNo--

Tracking/Positioning

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

Tracking/PositioningGPS
A-GPS
GLONASS
BeiDou
-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
802.11b
802.11g
802.11n
802.11b
802.11g
802.11n
MiMO--

Bluetooth

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

Version4.22.14.0
FeaturesA2DP
LE
A2DPA2DP

USB

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

Connector typeUSB Type-CMicro USBMicro USB
Version3.12.02.0
FeaturesCharging
Mass storage
On-The-Go
Charging
Mass storage
Charging
Mass storage
On-The-Go

HDMI

The High-Definition Multimedia Interface (HDMI) is considered to be the digital alternative of the analog audio/video interface standards.

HDMI-Mini HDMI (Type C)Mini HDMI (Type C)

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
ANT+
Computer sync
OTA sync
Computer sync
OTA sync

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

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
AAC+
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
AAC
FLAC
MP3
OGG
WMA
WAV
AAC
FLAC
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
H.263
H.264
H.265
MP4
VC-1
VP8
WMV7
WMV8
AVI
Flash Video
MKV
MP4
AVI
Flash Video
H.265
MKV
QuickTime
MPEG-4
WMV

Battery

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

Capacity6000 mAh7200 mAh10000 mAh
TypeLi-PolymerLi-PolymerLi-Ion
FeaturesFast charging
Non-removable
Non-removableNon-removable
Battery life - up to 12 hBattery life - up to 8 hBattery life - up to 7 h

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.

Body SAR (EU)0.993 W/kg--
Body SAR (USA)1.1 W/kg--

Additional features

Some devices have additional features, different from the standard ones above, but equally important and worth mentioning.

Additional featuresS Pen stylus (4096 pressure levels)--
 Samsung Galaxy Tab S3Alldocube U30GT2PiPO Tab P1