Comparison between:
- No.1 Mi4
- Xiaomi Redmi Note 7
- Xiaomi Mi Note 3

Brand and model

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

No.1 Mi4Xiaomi Redmi Note 7Xiaomi Mi Note 3
No.1 Mi4Xiaomi Redmi Note 7
Prices
Xiaomi Mi Note 3
Prices
Model alias-Redmi Note7
Red Rice Note 7
Red Rice Note7
Mi Note3

Design

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

Width68.5 mm
6.85 cm
0.22 ft
2.7 in
75.21 mm
7.52 cm
0.25 ft
2.96 in
73.95 mm
7.4 cm
0.24 ft
2.91 in
Height139.2 mm
13.92 cm
0.46 ft
5.48 in
159.21 mm
15.92 cm
0.52 ft
6.27 in
152.6 mm
15.26 cm
0.5 ft
6.01 in
Thickness8.9 mm
0.89 cm
0.03 ft
0.35 in
8.1 mm
0.81 cm
0.03 ft
0.32 in
7.6 mm
0.76 cm
0.02 ft
0.3 in
Weight160 g
0.35 lbs
5.64 oz
186 g
0.41 lbs
6.56 oz
163 g
0.36 lbs
5.75 oz
Volume84.86 cm³
5.15 in³
96.99 cm³
5.89 in³
85.76 cm³
5.21 in³
ColorsWhiteBlue
Red
Black
Black
Blue
Body materialsPlasticGlass
Plastic
Aluminium alloy
Glass

SIM card

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

SIM card typeMini-SIM
Micro-SIM
Nano-SIM
Nano-SIM / microSD
Nano-SIM
Number of SIM cards222
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)

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
CDMA-CDMA 800 MHzCDMA 800 MHz
W-CDMAW-CDMA 850 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 1900 MHz
TD-SCDMA 2000 MHz
TD-SCDMA 1880-1920 MHz
TD-SCDMA 2010-2025 MHz
UMTS--UMTS 850 MHz
UMTS 900 MHz
UMTS 1900 MHz
UMTS 2100 MHz
LTE-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)
LTE-TDD 2000 MHz (B34)
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 technologiesUMTS
EDGE
GPRS
HSPA+
UMTS
EDGE
GPRS
HSPA+
LTE Cat 18
EV-DO Rev. A
TD-SCDMA
TD-HSDPA
UMTS
EDGE
GPRS
HSPA+
LTE Cat 12
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)Android 4.4 KitKatMIUI V10.2 (Android 9.0 Pie)MIUI V8.5.11 (Android 7.1.1 Nougat)
MIUI V9.1.1 (Android 7.1.1 Nougat)
MIUI V9.2.2 (Android 7.1.1 Nougat)
MIUI V9.5.4 (Android 7.1.1 Nougat)
MIUI V10.0 (Android 8.1 Oreo)
MIUI (Android 9.0 Pie)

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 MT6582Qualcomm Snapdragon 660 MSM8976 PlusQualcomm Snapdragon 660 MSM8976 Plus
Process technology28 nm14 nm14 nm
CPUARM Cortex-A74x 2.2 GHz Kryo 260, 4x 1.84 GHz Kryo 2604x 2.2 GHz Kryo 260, 4x 1.84 GHz Kryo 260
CPU bits32 bit64 bit64 bit
Instruction setARMv7ARMv8ARMv8
Level 1 cache memory (L1)32 KB + 32 KB--
Level 2 cache memory (L2)512 KB
0.5 MB
--
CPU cores488
CPU frequency1300 MHz2200 MHz2200 MHz
GPUARM Mali-400 MP2Qualcomm Adreno 512Qualcomm Adreno 512
GPU cores2--
GPU frequency500 MHz-650 MHz
RAM capacity1 GB3 GB
4 GB
6 GB
4 GB
6 GB
RAM type-LPDDR4XLPDDR4X
RAM channelsSingle channelDouble channelDouble channel
RAM frequency533 MHz1866 MHz1866 MHz

Storage

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

Storage16 GB32 GB
64 GB
128 GB
64 GB
128 GB
-eMMC 5.1eMMC 5.1

Memory cards

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

TypesmicroSD
microSDHC
microSD
microSDHC
microSDXC
-

Display

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

Type/technologyTFTIPSIPS
Diagonal size5 in
127 mm
12.7 cm
6.3 in
160.02 mm
16 cm
5.5 in
139.7 mm
13.97 cm
Width2.45 in
62.26 mm
6.23 cm
2.64 in
67.06 mm
6.71 cm
2.7 in
68.49 mm
6.85 cm
Height4.36 in
110.69 mm
11.07 cm
5.72 in
145.29 mm
14.53 cm
4.79 in
121.76 mm
12.18 cm
Aspect ratio1.778:1
16:9
2.167:11.778:1
16:9
Resolution720 x 1280 pixels1080 x 2340 pixels1080 x 1920 pixels
Pixel density294 ppi
115 ppcm
409 ppi
160 ppcm
401 ppi
157 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area72.51 %81.63 %74.14 %
Other featuresCapacitive
Multi-touch
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
OGS (One Glass Solution)Display manufacturer - Tianma
Corning Gorilla Glass 5
2.5D curved glass screen
LTPS (Low Temperature PolySilicon)
1500:1 contrast ratio
450 cd/m²
84% NTSC
Display manufacturer - Sharp
Corning Gorilla Glass 4
1500:1 contrast ratio
550 cd/m²
94.4% NTSC

Sensors

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

SensorsProximity
Light
Accelerometer
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Proximity
Light
Accelerometer
Compass
Gyroscope
Barometer
Fingerprint
Hall
-Fingerprint sensor model - Fingerprint Cards FPC1511Fingerprint sensor model - Fingerprint Cards / 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 model-Samsung S5KGM1Sony IMX386 Exmor RS
Sensor type--CMOS
Sensor size--4.96 x 3.72 mm
0.24 in
Sensor format-1/2"-
Pixel size-0.8 µm
0.000800 mm
1.23 µm
0.001230 mm
Crop factor--6.98
ISO-100 - 3200100 - 3200
Aperture-f/1.79f/1.8
Focal length and 35 mm equivalent-4.74 mm3.82 mm
26.66 mm *(35 mm / full frame)
Number of lenses-66
Flash typeLEDDual LEDDual LED
Image resolution3264 x 2448 pixels
7.99 MP
8000 x 6000 pixels
48 MP
4032 x 3016 pixels
12.16 MP
Video resolution-1920 x 1080 pixels
2.07 MP
3840 x 2160 pixels
8.29 MP
Video FPS-60 fps30 fps
FeaturesAutofocus
Digital zoom
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Scene mode
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
RAW
Phase detection autofocus (PDAF)
Autofocus
Continuous shooting
Digital zoom
Optical zoom
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)
Interpolated resolution - 13 MPPixel size - 1.6 μm (4-in-1 pixel binning)
Sensor type - ISOCELL PLUS
Phase detection with Dual Pixel
1080p @ 120 fps
720p @ 120 fps
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)
4-axis OIS
720p @ 120 fps
Secondary rear camera - 12 MP (telephoto)
Sensor model - Samsung S5K3M3 (#2)
Sensor type - ISOCELL (#2)
Sensor size - 1/3.4" (#2)
Pixel size - 1.0 μm (#2)
Aperture size - f/2.6 (#2)
5-element lens (#2)
Focal length (35 mm equivalent) - 52 mm (#2)

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-OmniVision OV13855Samsung S5K3P3
Sensor type-PureCelISOCELL
Sensor size-4.75 x 3.54 mm
0.23 in
4.74 x 3.56 mm
0.23 in
Pixel size-1.124 µm
0.001124 mm
2 µm
0.002000 mm
Crop factor-7.317.29
Aperture-f/2f/2
Focal length and 35 mm equivalent-3.86 mm
28.21 mm *(35 mm / full frame)
3.52 mm
25.67 mm *(35 mm / full frame)
Image resolution2560 x 1920 pixels
4.92 MP
4224 x 3136 pixels
13.25 MP
4608 x 3456 pixels
15.93 MP
Video resolution-1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
Video FPS-30 fps30 fps
Features-Face unlockFace unlock
Interpolated resolution - 8 MP--

Audio

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

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece
-Smart PAHeadphone adapter

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
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-Fi802.11b
802.11g
802.11n
Wi-Fi Hotspot
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
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
Wi-Fi Display
--2x2 MiMO

Bluetooth

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

Version4.05.05.0
FeaturesA2DPA2DP
LE
A2DP
HID

USB

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

Connector typeMicro USBUSB Type-CUSB Type-C
Version2.02.02.0
FeaturesCharging
Mass storage
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 jackYesYesNo

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer sync
OTA sync
Infrared
Tethering
Computer sync
OTA sync
Infrared
Tethering
VoLTE
Computer sync
OTA sync
Infrared
Tethering
NFC
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
AMR
eAAC+
MIDI
MP3
WMA
WAV
AAC
AAC+
AMR
AMR-WB
aptX
aptX HD
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
LDAC
AAC
AAC+
AC3
AMR
aptX
aptX HD
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
LDAC

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
WMV
3GPP
AVI
DivX
H.263
H.264
H.265
MKV
MP4
VC-1
Xvid
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.

Capacity1800 mAh4000 mAh3500 mAh
TypeLi-IonLi-PolymerLi-Polymer
2G talk time-23 h
1380 min
1 days
-
2G stand-by time-251 h
15060 min
10.5 days
-
3G talk time-23 h
1380 min
1 days
-
3G stand-by time-251 h
15060 min
10.5 days
-
Charger output power-5 V / 2 A5 V / 3 A
9 V / 2 A
12 V / 1.5 A
Quick charge technology-Qualcomm Quick Charge 4.0Qualcomm Quick Charge 3.0
FeaturesNon-removableFast charging
Non-removable
Fast charging
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.

Head SAR (EU)-0.591 W/kg0.502 W/kg
Body SAR (EU)-1.274 W/kg1.544 W/kg
Head SAR (USA)-1.19 W/kg-
Body SAR (USA)-1.18 W/kg-
 No.1 Mi4Xiaomi Redmi Note 7Xiaomi Mi Note 3