Comparison between:
- POCO X3 NFC
- Xiaomi Redmi Note 6 Pro
- Xiaomi Redmi Note 4 64GB

Brand and model

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

POCO X3 NFCXiaomi Redmi Note 6 ProXiaomi Redmi Note 4 64GB
POCO X3 NFC
Prices
Xiaomi Redmi Note 6 Pro
Prices
Xiaomi Redmi Note 4 64GB
Prices
Model aliasM2007J20CG
M2007J20CT
Redmi Note 6ProHongmi Note 4 64GB
Red Rise Note 4 64GB

Design

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

Width76.8 mm
7.68 cm
0.252 ft
3.024 in
76.38 mm
7.638 cm
0.251 ft
3.007 in
76 mm
7.6 cm
0.249 ft
2.992 in
Height165.3 mm
16.53 cm
0.542 ft
6.508 in
157.9 mm
15.79 cm
0.518 ft
6.217 in
151 mm
15.1 cm
0.495 ft
5.945 in
Thickness9.4 mm
0.94 cm
0.031 ft
0.37 in
8.2 mm
0.82 cm
0.027 ft
0.323 in
8.35 mm
0.835 cm
0.027 ft
0.329 in
Weight215 g
0.47 lbs
7.58 oz
181 g
0.4 lbs
6.38 oz
175 g
0.39 lbs
6.17 oz
Volume119.33 cm³
7.25 in³
98.9 cm³
6.01 in³
95.82 cm³
5.82 in³
ColorsShadow Gray
Cobalt Blue
Black
Blue
Rose-gold
Red
Gray
Silver
Gold
Black
Blue
Body materialsPlastic
Aluminium alloy
Aluminium alloy
Plastic
Aluminium alloy
CertificationIP53--

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
Nano-SIM / microSD
Nano-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 (B5)
GSM 900 MHz (B8)
GSM 1800 MHz (B3)
GSM 1900 MHz (B2)
GSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
CDMA-CDMA 800 MHzCDMA 800 MHz
W-CDMAW-CDMA 850 MHz (B5)
W-CDMA 900 MHz (B8)
W-CDMA 1900 MHz (B2)
W-CDMA 2100 MHz (B1)
W-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-SCDMA-TD-SCDMA 1880-1920 MHz
TD-SCDMA 2010-2025 MHz
TD-SCDMA 1880-1920 MHz
TD-SCDMA 2010-2025 MHz
LTELTE-FDD 850 MHz (B5)
LTE-FDD 900 MHz (B8)
LTE-FDD 1800 MHz (B3)
LTE-FDD 2100 MHz (B1)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
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 1900 MHz (B39)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)
LTE 700 MHz (B28) (M1806E7TH)
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 technologiesEDGE
GPRS
HSPA+
LTE
TD-SCDMA
UMTS
EDGE
GPRS
HSPA+
LTE
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 12 (Android 10)MIUI V9.6 (Android 8.1 Oreo)
MIUI V10 (Android 8.1 Oreo)
MIUI (Android 9.0 Pie)
MIUI V8 (Android 6.0 Marshmallow)
MIUI V8.5 (Android 7.0 Nougat)
MIUI V9
MIUI V10

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 732GQualcomm Snapdragon 636MediaTek Helio X20 (MT6797)
Process technology8 nm14 nm20 nm
CPU2x 2.3 GHz Kryo 470, 6x 1.8 GHz Kryo 4704x 1.8 GHz Kryo 260, 4x 1.6 GHz Kryo 2602x 2.1 GHz ARM Cortex-A72, 4x 1.85 GHz ARM Cortex-A53, 4x 1.4 GHz ARM Cortex-A53
CPU bits64 bit64 bit64 bit
Instruction setARMv8ARMv8ARMv8-A
CPU cores8810
CPU frequency2200 MHz1800 MHz2100 MHz
GPUQualcomm Adreno 618Qualcomm Adreno 509ARM Mali-T880 MP4
GPU cores--4
GPU frequency--780 MHz
RAM capacity6 GB3 GB
4 GB
6 GB
3 GB
4 GB
RAM typeLPDDR4XLPDDR4XLPDDR3
RAM channelsDouble channelDouble channelDouble channel
RAM frequency1866 MHz1333 MHz800 MHz
LiquidCool Technology 1.0 Plus
Game Turbo 3.0
--

Storage

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

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

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 size6.67 in
169.42 mm
16.94 cm
6.26 in
159 mm
15.9 cm
5.5 in
139.7 mm
13.97 cm
Width2.74 in
69.52 mm
6.95 cm
2.68 in
68.07 mm
6.81 cm
2.7 in
68.49 mm
6.85 cm
Height6.08 in
154.5 mm
15.45 cm
5.66 in
143.7 mm
14.37 cm
4.79 in
121.76 mm
12.18 cm
Aspect ratio2.222:12.111:11.778:1
16:9
Resolution1080 x 2400 pixels1080 x 2280 pixels1080 x 1920 pixels
Pixel density395 ppi
155 ppcm
403 ppi
158 ppcm
401 ppi
157 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area84.88 %81.36 %72.9 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Corning Gorilla Glass 5
2.5D curved glass screen
Oleophobic coating
DynamicSwitch function
120Hz refresh rate
240Hz touch sampling rate
84% NTSC
450 cd/m²
1500:1
HDR10
TÜV Rheinland Low Blue Light certification
Wildvine L1 certified
Corning Gorilla Glass
2.5D curved glass screen
1500:1 contrast ratio
450 cd/m²
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
Fingerprint
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Hall
Proximity
Light
Accelerometer
Gyroscope
Fingerprint
Hall
Side-mounted fingerprint sensor
Z-axis linear motor
-Fingerprint sensor model - Fingerprint Cards FPC1035

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 IMX686Samsung S5K2L7Samsung S5K3L8
Sensor typeCMOS BSIISOCELLISOCELL
Sensor size--4.69 x 3.52 mm
0.23 in
Sensor format1/1.7"1/2.56"-
Pixel size0.8 µm
0.000800 mm
1.4 µm
0.001400 mm
1.127 µm
0.001127 mm
Crop factor--7.38
ISO--100 - 1600
Aperturef/1.89f/1.9f/2
Focal length and 35 mm equivalent-3.94 mm
24 mm *(35 mm / full frame)
3.5 mm
25.82 mm *(35 mm / full frame)
Number of lenses6-5
Flash typeDual LEDDual LEDDual LED
Image resolution9248 x 6944 pixels
64.22 MP
4000 x 3000 pixels
12 MP
4160 x 3120 pixels
12.98 MP
Video resolution3840 x 2160 pixels
8.29 MP
1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
Video FPS30 fps30 fps30 fps
FeaturesAutofocus
Continuous shooting
Digital zoom
Digital image stabilization
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Phase detection autofocus (PDAF)
Autofocus
Continuous shooting
Digital zoom
Digital image stabilization
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Phase detection autofocus (PDAF)
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)
Pixel size - 1.6 μm (4-in-1 pixel binning)
10x digital zoom
1080p @ 120 fps
720p @ 960 fps
Secondary rear camera - 13 MP (ultra-wide angle)
Angle of view - 119° (#2)
Pixel size - 1.0 μm (#2)
Aperture size - f/2.2 (#2)
Third rear camera - 2 MP (depth-sensing)
Pixel size - 1.75 μm (#3)
Aperture size - f/2.4 (#3)
Fourth rear camera - 2 MP (macro)
Macro shooting distance - 2 cm (#4)
Pixel size - 1.75 μm (#4)
Aperture size - f/2.4 (#4)
Phase detection with Dual Pixel
Secondary rear camera - 5 MP
Sensor model - Samsung S5K5E8 (#2)
Sensor type - CMOS BSI (#2)
Sensor size - 2.9 x 2.15 mm (#2)
Pixel size - 1.12 μm (#2)
Aperture size - f/2.0 (#2)
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 model-Samsung S5K3T1Samsung S5K5E8
Sensor type-ISOCELLCMOS BSI
Sensor size--2.9 x 2.15 mm
0.14 in
Pixel size0.8 µm
0.000800 mm
0.9 µm
0.000900 mm
1.133 µm
0.001133 mm
Crop factor--11.99
Aperturef/2.2f/2f/2
Focal length and 35 mm equivalent-3.52 mm3.5 mm
41.95 mm *(35 mm / full frame)
Field of view78 °--
Image resolution5963 x 3354 pixels
20 MP
5184 x 3880 pixels
20.11 MP
2560 x 1920 pixels
4.92 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
Features-Face unlock-
-Pixel size - 1.8 μm (4-in-1 pixel binning)
Sensor model - OmniVision OV02A10 (#2)
Pixel size - 1.75 μm (#2)
Secondary front camera - 2 MP
-

Audio

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

SpeakerLoudspeaker
Earpiece
Stereo speakers
Loudspeaker
Earpiece
Loudspeaker
Earpiece
4cc-equivalent 1012 upper speaker
1cc-equivalent 1216 lower speaker
Smart PA
Hi-Res audio
Dual microphone noise cancellation
--

Radio

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

RadioYesYes-

Tracking/Positioning

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

Tracking/PositioningGPS
A-GPS
GLONASS
BeiDou
Galileo
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
802.11n 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
Wi-Fi Display

Bluetooth

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

Version5.15.04.2
FeaturesA2DP
LE
A2DP
EDR
HID
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-CMicro USBMicro USB
Version2.02.02.0
FeaturesCharging
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 jackYesYesYes

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer sync
Infrared
Tethering
NFC
VoLTE
Computer sync
OTA sync
Infrared
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
AAC
AAC+
AMR
AMR-WB
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
Flash Video
H.263
H.264
MKV
MP4
WebM
WMV
Xvid
3GPP
AVI
DivX
H.263
H.264
H.265
MKV
QuickTime
MP4
VC-1
WebM
WMV
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.

Capacity5160 mAh4000 mAh4100 mAh
TypeLi-PolymerLi-PolymerLi-Polymer
Charger output power11 V / 3 A5 V / 2 A5 V / 2 A
Quick charge technology-Qualcomm Quick Charge-
FeaturesFast charging
Non-removable
Fast charging
Non-removable
Fast charging
Non-removable
Middle Middle Tab (MMT) technology-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)-0.755 W/kg0.724 W/kg
Body SAR (EU)-1.476 W/kg0.674 W/kg
Head SAR (USA)-0.75 W/kg0.85 W/kg
Body SAR (USA)-1.14 W/kg0.69 W/kg

Additional features

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

Additional featuresSAR (Specific Absorption Rate) India: head - 1.080 W/kg; body - 0.620 W/kgM1806E7TG - SAR (Specific Absorption Rate) EU: head - 0.755 W/kg; body - 1.476 W/kg
M1806E7TG - SAR (Specific Absorption Rate) US: head - 0.750 W/kg; body - 1.140 W/kg
M1806E7TH - SAR (Specific Absorption Rate) EU: head - 0.557 W/kg; body - 1.070 W/kg
M1806E7TH - SAR (Specific Absorption Rate) US: head - 1.180 W/kg; body - 1.190 W/kg
-
 POCO X3 NFCXiaomi Redmi Note 6 ProXiaomi Redmi Note 4 64GB