Comparison between:
- Xiaomi Mi 8
- Asus ZenFone 3 ZE552KL
- Xiaomi Redmi Note 4X

Brand and model

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

Xiaomi Mi 8Asus ZenFone 3 ZE552KLXiaomi Redmi Note 4X
Xiaomi Mi 8
Prices
Asus ZenFone 3 ZE552KLXiaomi Redmi Note 4X
Prices
Model aliasMi8-Redmi Note 4X Hatsune Miku Special Edition
Red Rice Note 4X

Design

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

Width74.8 mm
7.48 cm
0.245 ft
2.945 in
77.38 mm
7.738 cm
0.254 ft
3.046 in
76 mm
7.6 cm
0.249 ft
2.992 in
Height154.9 mm
15.49 cm
0.508 ft
6.098 in
152.59 mm
15.259 cm
0.501 ft
6.007 in
151 mm
15.1 cm
0.495 ft
5.945 in
Thickness7.6 mm
0.76 cm
0.025 ft
0.299 in
7.69 mm
0.769 cm
0.025 ft
0.303 in
8.45 mm
0.845 cm
0.028 ft
0.333 in
Weight175 g
0.39 lbs
6.17 oz
155 g
0.34 lbs
5.47 oz
165 g
0.36 lbs
5.82 oz
Volume88.06 cm³
5.35 in³
90.8 cm³
5.51 in³
96.97 cm³
5.89 in³
ColorsBlack
Blue
White
Gold
Black
White
Gold
Blue
Pink
Green
Champagne
Black
Silver
Body materialsAluminium alloy
Glass
Aluminium alloy
Glass
Aluminium alloy
Plastic

SIM card

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

SIM card typeNano-SIMMicro-SIM
Nano-SIM / microSD
Micro-SIM
Nano-SIM / microSD
Number of SIM cards222
FeaturesDual 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
CDMACDMA 800 MHzCDMA 800 MHz (CN)CDMA 800 MHz
W-CDMAW-CDMA 850 MHz
W-CDMA 900 MHz
W-CDMA 1700 MHz
W-CDMA 1900 MHz
W-CDMA 2100 MHz
-W-CDMA 850 MHz
W-CDMA 900 MHz
W-CDMA 1900 MHz
W-CDMA 2100 MHz
TD-SCDMATD-SCDMA 1900 MHz
TD-SCDMA 2000 MHz
TD-SCDMA 1880-1920 MHz (CN)
TD-SCDMA 2010-2025 MHz (CN)
TD-SCDMA 1880-1920 MHz
TD-SCDMA 2010-2025 MHz
UMTS-UMTS 850 MHz
UMTS 900 MHz
UMTS 2100 MHz
UMTS 850 MHz (B6) (TW; JP; HK)
UMTS 1900 MHz (WW; TW; JP; HK)
UMTS 800 MHz (TW; JP; HK)
-
LTELTE-TDD 1900 MHz (B39)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)
LTE 700 MHz Class 13
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 700 MHz (B12)
LTE 850 MHz
LTE 900 MHz
LTE 1800 MHz
LTE 2100 MHz
LTE 2600 MHz
LTE 1900 MHz (WW; TW; JP; HK; CN; US; BR)
LTE 1700/2100 MHz (US; BR)
LTE 850 MHz (B26) (TW; JP; HK)
LTE 700 MHz Class 17 (US; BR)
LTE 800 MHz (B18) (TW; JP; HK)
LTE 800 MHz (B19) (TW; JP; HK)
LTE 800 MHz (B20) (WW)
LTE 700 MHz (B28) (TW; JP; HK; US; BR)
LTE-TDD 2600 MHz (B38) (TW; JP; HK)
LTE-TDD 1900 MHz (B39) (TW; JP; HK)
LTE-TDD 2300 MHz (B40) (TW; JP; HK)
LTE-TDD 2500 MHz (B41) (TW; JP; HK)
LTE-TDD 1900 MHz (B39)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)
LTE 850 MHz
LTE 1800 MHz
LTE 2100 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 18
EV-DO Rev. A
TD-SCDMA
TD-HSDPA
UMTS
EDGE
GPRS
HSPA+
LTE Cat 6
EV-DO Rev. A
TD-SCDMA
TD-HSDPA
UMTS
EDGE
GPRS
HSPA+
LTE Cat 6
EV-DO Rev. A
TD-SCDMA
TD-HSDPA

Operating system

Operating system is the system software, which manages and controls the functioning of the hardware components of the device.

Operating system (OS)MIUI V9.5 (Android 8.1 Oreo)
MIUI V10 (Android 8.1 Oreo)
MIUI V10.2 (Android 9.0 Pie)
MIUI V10.3.2 (Android 9.0 Pie)
MIUI 11.0.5 (Android 10)
MIUI 12.0.2 (Android 10)
Android 6.0.1 Marshmallow
Android 7.0 Nougat
Android 8.0 Oreo
MIUI V8.2 (Android 6.0.1 Marshmallow)
MIUI V8.x (Android 7.0 Nougat)
MIUI V9
MIUI V10
User interface (UI)-ZenUI 3.0-

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 845Qualcomm Snapdragon 625 MSM8953Qualcomm Snapdragon 625 MSM8953
Process technology10 nm14 nm14 nm
CPU4x 2.8 GHz Kryo 385, 4x 1.8 GHz Kryo 385ARM Cortex-A53ARM Cortex-A53
CPU bits64 bit64 bit64 bit
Instruction setARMv8-AARMv8ARMv8
Level 1 cache memory (L1)32 KB + 32 KB--
Level 2 cache memory (L2)1536 KB
1.5 MB
--
Level 3 cache memory (L3)2048 KB
2 MB
--
CPU cores888
CPU frequency2800 MHz2000 MHz2000 MHz
GPUQualcomm Adreno 630Qualcomm Adreno 506Qualcomm Adreno 506
GPU frequency710 MHz-650 MHz
RAM capacity6 GB
8 GB
3 GB
4 GB
3 GB
4 GB
RAM typeLPDDR4XLPDDR3LPDDR3
RAM channelsDouble channelSingle channelSingle channel
RAM frequency1866 MHz933 MHz933 MHz

Storage

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

Storage64 GB
128 GB
256 GB
32 GB
64 GB
16 GB
32 GB
64 GB
UFS 2.1-eMMC 5.0

Memory cards

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

Types-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 size6.21 in
157.73 mm
15.77 cm
5.5 in
139.7 mm
13.97 cm
5.5 in
139.7 mm
13.97 cm
Width2.69 in
68.31 mm
6.83 cm
2.7 in
68.49 mm
6.85 cm
2.7 in
68.49 mm
6.85 cm
Height5.6 in
142.18 mm
14.22 cm
4.79 in
121.76 mm
12.18 cm
4.79 in
121.76 mm
12.18 cm
Aspect ratio2.081:11.778:1
16:9
1.778:1
16:9
Resolution1080 x 2248 pixels1080 x 1920 pixels1080 x 1920 pixels
Pixel density402 ppi
158 ppcm
401 ppi
157 ppcm
401 ppi
157 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area84.09 %70.86 %72.9 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Display manufacturer - Samsung
Corning Gorilla Glass 5
2.5D curved glass screen
Always-On Display
60000:1 contrast ratio
600 cd/m²
430 cd/m² typical brightness
HDR10
Corning Gorilla Glass 3
2.5D curved glass screen
Bluelight Filter
Oleophobic (lipophobic) coating
1200:1 contrast ratio
600 cd/m²
Display manufacturer - Boe / Tianma
2.5D curved glass screen
1000:1 contrast ratio
450 cd/m²
72% NTSC

Sensors

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

SensorsProximity
Light
Accelerometer
Compass
Gyroscope
Barometer
Fingerprint
Hall
Infrared face recognition sensor
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Hall
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Hall
Fingerprint sensor model - Fingerprint Cards FPC1291
Infrared camera - OmniVision OV7251 (1/7.5-inch sensor; 3.0 μm)
Step detector
Step counter
Step detector
Step counter
Fingerprint sensor model - Fingerprint Cards FPC1035 / Goodix

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 modelSony IMX363 Exmor RSSony IMX298 Exmor RSSony IMX258 Exmor RS
Sensor typeCMOSCMOSCMOS
Sensor size-5.22 x 3.92 mm
0.26 in
4.71 x 3.49 mm
0.23 in
Sensor format1/2.55"--
Pixel size1.4 µm
0.001400 mm
1.12 µm
0.001120 mm
1.133 µm
0.001133 mm
Crop factor-6.637.37
ISO100 - 3200-100 - 1600
Aperturef/1.8f/2f/2
Focal length and 35 mm equivalent4.22 mm
21 mm *(35 mm / full frame)
4.04 mm
26.81 mm *(35 mm / full frame)
3.57 mm
26.33 mm *(35 mm / full frame)
Number of lenses-65
Flash typeDual LEDDual LEDDual LED
Image resolution4032 x 3024 pixels
12.19 MP
4656 x 3492 pixels
16.26 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
Optical zoom
Digital image stabilization
Optical image stabilization
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Phase detection autofocus (PDAF)
RAW
Autofocus
Continuous autofocus
Continuous shooting
Digital zoom
Digital image stabilization
Optical image stabilization
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Phase detection autofocus (PDAF)
Laser autofocus (LAF)
Autofocus
Continuous shooting
Digital zoom
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Phase detection autofocus (PDAF)
Phase detection with Dual Pixel
4-axis OIS
1080p @ 240 fps
720p @ 960 fps
Secondary rear camera - 12 MP (telephoto)
Sensor model - Samsung S5K3M3 (#2)
Sensor size - 1/3.4" (#2)
Sensor type - ISOCELL (#2)
Pixel size - 1.0 μm (#2)
Aperture size - f/2.4 (#2)
Largan lens
Sapphire crystal glass lens cover
Available also with Samsung S5K3L8 (ISOCELL)
720p @ 120 fps

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.

Sensor modelSamsung S5K3T1OmniVision OV8856Samsung S5K5E8
Sensor typeISOCELLPureCelCMOS BSI
Sensor size-3.68 x 2.77 mm
0.18 in
2.9 x 2.15 mm
0.14 in
Pixel size1.8 µm
0.001800 mm
1.127 µm
0.001127 mm
1.119 µm
0.001119 mm
Crop factor-9.411.99
Aperturef/2f/2f/2
Focal length and 35 mm equivalent3.58 mm
18 mm *(35 mm / full frame)
2.51 mm
23.59 mm *(35 mm / full frame)
2.64 mm
31.63 mm *(35 mm / full frame)
Field of view-84 °85 °
Image resolution5120 x 3840 pixels
19.66 MP
3264 x 2448 pixels
7.99 MP
2592 x 1944 pixels
5.04 MP
Video resolution1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
1280 x 720 pixels
0.92 MP
Video FPS30 fps30 fps30 fps
-Panorama-

Audio

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

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece
Headphone adapter192 kHz / 24-bit-

Radio

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

RadioNoYesYes

Tracking/Positioning

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

Tracking/PositioningA-GPS
GPS (L1+L5)
GLONASS (L1)
BeiDou (B1)
Galileo (E1+E5a)
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
Wi-Fi Display
802.11a
802.11b
802.11g
802.11n
802.11ac
Wi-Fi Hotspot
Wi-Fi Direct
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
Wi-Fi Display
2x2 MiMOMU-MiMO-

Bluetooth

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

Version5.04.24.2
FeaturesA2DP
LE
A2DP
EDR
LE
A2DP
HID
LE

USB

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

Connector typeUSB Type-CUSB Type-CMicro USB
Version2.02.02.0
FeaturesCharging
Host
Mass storage
On-The-Go
Charging
Host
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 jackNoYesYes

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer sync
OTA sync
Tethering
DLNA
NFC
VoLTE
Computer sync
OTA sync
Infrared
Tethering
VoLTE
Computer sync
OTA sync
Infrared
Tethering
VoLTE

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
aptX HD
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
LDAC
AAC
AAC+
AMR
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
AAC
AAC+
AMR
AMR-WB
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
AVI
DivX
H.263
H.264
H.265
MKV
MP4
VC-1
Xvid
3GPP
AVI
H.263
H.264
MKV
MP4
WebM
Xvid
3GPP
AVI
H.263
H.264
H.265
MKV
QuickTime
VC-1
Xvid

Battery

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

Capacity3400 mAh3000 mAh4100 mAh
TypeLi-PolymerLi-IonLi-Polymer
2G talk time--18 h
1080 min
0.8 days
2G stand-by time--264 h
15840 min
11 days
3G talk time--18 h
1080 min
0.8 days
3G stand-by time--264 h
15840 min
11 days
Charger output power5 V / 3 A
9 V / 2 A
12 V / 1.5 A
5 V / 2 A5 V / 2 A
Quick charge technologyQualcomm Quick Charge 4+Qualcomm Quick Charge 3.0-
FeaturesFast charging
Non-removable
Fast charging
Non-removable
Non-removable
Battery model: BM3E-Battery model: BN43

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 (EU)0.701 W/kg0.493 W/kg0.724 W/kg
Body SAR (EU)1.662 W/kg1.46 W/kg0.674 W/kg
Head SAR (USA)1.01 W/kg-0.85 W/kg
Body SAR (USA)1.32 W/kg-0.69 W/kg
 Xiaomi Mi 8Asus ZenFone 3 ZE552KLXiaomi Redmi Note 4X