Comparison between:
- Samsung Galaxy Tab S4 Wi-Fi
- Samsung Galaxy Tab S4
- Xiaomi Mi Pad 4 Plus

Brand and model

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

Samsung Galaxy Tab S4 Wi-FiSamsung Galaxy Tab S4Xiaomi Mi Pad 4 Plus
Samsung Galaxy Tab S4 Wi-Fi
Prices
Samsung Galaxy Tab S4
Prices
Xiaomi Mi Pad 4 Plus
Prices
Model aliasSM-T830
T830
SM-T835
T835
Mi Pad4 Plus
Mi Pad 4+
Mi Pad4+
Mi Pad 4Plus
Mi Pad4Plus

Design

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

Width249.3 mm
24.93 cm
0.82 ft
9.81 in
249.3 mm
24.93 cm
0.82 ft
9.81 in
245.6 mm
24.56 cm
0.81 ft
9.67 in
Height164.3 mm
16.43 cm
0.54 ft
6.47 in
164.3 mm
16.43 cm
0.54 ft
6.47 in
149.08 mm
14.91 cm
0.49 ft
5.87 in
Thickness7.1 mm
0.71 cm
0.02 ft
0.28 in
7.1 mm
0.71 cm
0.02 ft
0.28 in
7.99 mm
0.8 cm
0.03 ft
0.31 in
Weight482 g
1.06 lbs
17 oz
483 g
1.06 lbs
17.04 oz
485 g
1.07 lbs
17.11 oz
Volume290.82 cm³
17.66 in³
290.82 cm³
17.66 in³
292.55 cm³
17.77 in³
ColorsBlack
Gray
Black
White
Black
Rose-gold
Body materialsMetal
Glass
Metal
Glass
Metal

SIM card

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

SIM card type-Nano-SIMNano-SIM
Number of SIM cards-11

Networks

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

GSM-GSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
GSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
UMTS-UMTS 850 MHz
UMTS 900 MHz
UMTS 1900 MHz
UMTS 2100 MHz
UMTS 900 MHz
UMTS 2100 MHz
LTE-LTE 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)
LTE 850 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)

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 technologies-UMTS
EDGE
GPRS
HSPA+
LTE Cat 16
UMTS
EDGE
GPRS
HSPA+
LTE Cat 6

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 8.1 Oreo
Android 9.0 Pie
Android 8.1 Oreo
Android 9.0 Pie
MIUI V9.6 (Android 8.1 Oreo)
MIUI (Android 9.0 Pie)
User interface (UI)Experience
One
Experience
One
-

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 835 MSM8998Qualcomm Snapdragon 835 MSM8998Qualcomm Snapdragon 660 MSM8976 Plus
Process technology10 nm10 nm14 nm
CPU4x 2.35 GHz Kryo 280, 4x 1.9 GHz Kryo 2804x 2.35 GHz Kryo 280, 4x 1.9 GHz Kryo 2804x 2.2 GHz Kryo 260, 4x 1.84 GHz Kryo 260
CPU bits64 bit64 bit64 bit
Instruction setARMv8-AARMv8-AARMv8
Level 1 cache memory (L1)32 KB + 32 KB32 KB + 32 KB-
Level 2 cache memory (L2)3072 KB
3 MB
3072 KB
3 MB
-
CPU cores888
CPU frequency2350 MHz2350 MHz2200 MHz
GPUQualcomm Adreno 540Qualcomm Adreno 540Qualcomm Adreno 512
GPU frequency710 MHz710 MHz-
RAM capacity4 GB4 GB4 GB
RAM typeLPDDR4XLPDDR4XLPDDR4X
RAM channelsDouble channelDouble channelDouble channel
RAM frequency1866 MHz1866 MHz1866 MHz

Storage

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

Storage64 GB
256 GB
64 GB
256 GB
64 GB
128 GB
UFS 2.1UFS 2.1eMMC 5.1

Memory cards

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

TypesmicroSD
microSDHC
microSDXC
microSD
microSDHC
microSDXC
microSD
microSDHC
microSDXC

Display

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

Type/technologySuper AMOLEDSuper AMOLEDIPS
Diagonal size10.5 in
266.7 mm
26.67 cm
10.5 in
266.7 mm
26.67 cm
10.1 in
256.54 mm
25.65 cm
Width8.9 in
226.16 mm
22.62 cm
8.9 in
226.16 mm
22.62 cm
8.56 in
217.55 mm
21.75 cm
Height5.56 in
141.35 mm
14.14 cm
5.56 in
141.35 mm
14.14 cm
5.35 in
135.97 mm
13.6 cm
Aspect ratio1.6:1
16:10
1.6:1
16:10
1.6:1
16:10
Resolution2560 x 1600 pixels2560 x 1600 pixels1920 x 1200 pixels
Pixel density288 ppi
113 ppcm
288 ppi
113 ppcm
224 ppi
88 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area78.3 %78.3 %81.05 %
Other featuresCapacitive
Multi-touch
Capacitive
Multi-touch
Capacitive
Multi-touch
500 cd/m²500 cd/m²1000:1 contrast ratio

Sensors

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

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

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 model--OmniVision OV13855
Sensor typeCMOSCMOSPureCel
Sensor size--4.75 x 3.54 mm
0.23 in
Pixel size--1.142 µm
0.001142 mm
Crop factor--7.31
Aperturef/1.9f/1.9f/2
Focal length-3.6 mm-
Flash typeLEDLED-
Image resolution4160 x 3120 pixels
12.98 MP
4160 x 3120 pixels
12.98 MP
4160 x 3120 pixels
12.98 MP
Video resolution3840 x 2160 pixels
8.29 MP
3840 x 2160 pixels
8.29 MP
1920 x 1080 pixels
2.07 MP
Video 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
Sensor size - 1/3.06"
Pixel size - 1.12 μm
Focal length (35 mm equivalent) - 27 mm
Angle of view - 76°
Sensor size - 1/3.06"
Pixel size - 1.12 μm
Focal length (35 mm equivalent) - 27 mm
Angle of view - 76°
-

Secondary camera

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

Sensor model-Sony IMX320 Exmor RSSamsung S5K5E8
Sensor typeCMOSCMOSCMOS BSI
Sensor size--2.9 x 2.15 mm
0.14 in
Pixel size--1.133 µm
0.001133 mm
Crop factor--11.99
Aperturef/1.9f/1.9f/2
Image resolution3264 x 2448 pixels
7.99 MP
3264 x 2448 pixels
7.99 MP
2560 x 1920 pixels
4.92 MP
Video resolution1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
Video FPS30 fps30 fps30 fps
Sensor size - 1/3.6"
Pixel size - 1.22 μm
Angle of view - 85°
Sensor size - 1/3.6"
Pixel size - 1.22 μm
Angle of view - 85°
Face unlock

Audio

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

SpeakerLoudspeaker
Stereo speakers
Loudspeaker
Stereo speakers
Loudspeaker
4 x 1.2 W (Watt) speakers
Dolby Atmos
4 x 1.2 W (Watt) speakers
Dolby Atmos
-

Radio

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

RadioNoNo-

Tracking/Positioning

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

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

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
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
Wi-Fi Display
2x2 MU-MiMO2x2 MU-MiMO2x2 MiMO

Bluetooth

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

Version5.05.05.0
FeaturesA2DP
AVRCP
DIP
HFP
HID
HSP
LE
MAP
OPP
PAN
PBAP
A2DP
AVRCP
DIP
HFP
HID
HSP
LE
MAP
OPP
PAN
PBAP
A2DP
HID

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-C
Version3.13.12.0
FeaturesCharging
Mass storage
On-The-Go
Charging
Mass storage
On-The-Go
Charging
Host
Mass storage
On-The-Go

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
Tethering
ANT+
Computer sync
OTA sync
Infrared
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
AAC+
AMR
AMR-WB
aptX
eAAC+
FLAC
M4A
MIDI
MP3
OGG
WMA
WAV
XMF
AAC
AAC+
AMR
AMR-WB
aptX
eAAC+
FLAC
M4A
MIDI
MP3
OGG
WMA
WAV
XMF
AAC
AAC+
AC3
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
3GPP2
AVI
DivX
Flash Video
H.263
H.264
MKV
MP4
WebM
WMV
Xvid
ASF
3GPP
3GPP2
AVI
DivX
Flash Video
H.263
H.264
MKV
MP4
WebM
WMV
Xvid
ASF
3GPP
AVI
H.263
H.264
H.265
MKV
MP4
VC-1
VP8
Xvid

Battery

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

Capacity7300 mAh7300 mAh8620 mAh
TypeLi-PolymerLi-PolymerLi-Polymer
Charger output power5 V / 2 A
9 V / 1.67 A
5 V / 2 A
9 V / 1.67 A
5 V / 2 A
FeaturesFast 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.

Body SAR (EU)0.34 W/kg1.09 W/kg-
Body SAR (USA)-1.258 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 DeX
S Pen stylus (4096 pressure levels)
Samsung DeX
-
 Samsung Galaxy Tab S4 Wi-FiSamsung Galaxy Tab S4Xiaomi Mi Pad 4 Plus