Comparison between:
- Xiaomi Redmi Note 11
- Xiaomi Redmi Note 8 2021

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

	Xiaomi Redmi Note 11	Xiaomi Redmi Note 8 2021

Model alias	-	Redmi Note8 2021

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

Width	75.78 mm 7.578 cm 0.249 ft 2.983 in	75.3 mm 7.53 cm 0.247 ft 2.965 in
Height	163.56 mm 16.356 cm 0.537 ft 6.439 in	158.3 mm 15.83 cm 0.519 ft 6.232 in
Thickness	8.75 mm 0.875 cm 0.029 ft 0.344 in	8.35 mm 0.835 cm 0.027 ft 0.329 in
Weight	195 g 0.43 lbs 6.88 oz	190 g 0.42 lbs 6.7 oz
Volume	108.45 cm³ 6.59 in³	99.53 cm³ 6.04 in³
Colors	Mysterious Black Milky Way Blue Mint Green	Black Dark Blue Light Blue
Body materials	Plastic	Plastic Glass
Certification	IP53	-

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

SIM card type	Nano-SIM	Nano-SIM
Number of SIM cards	2	2
Features	Dual 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)

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

GSM	GSМ 850 МНz (В5) GSМ 900 МНz (В8) GSМ 1900 МНz (В2)	GSМ 850 МНz (В5) GSМ 900 МНz (В8) GSМ 1900 МНz (В2)
CDMA	CDMA 800 MHz (BC0)	CDMA 800 MHz (BC0)
W-CDMA	W-CDMA 850 MHz (B5) W-CDMA 900 MHz (B8) W-CDMA 1900 MHz (B2) W-CDMA 2100 MHz (B1)	W-CDMA 850 MHz (B5) W-CDMA 900 MHz (B8) W-CDMA 2100 MHz (B1)
TD-SCDMA	-	TD-SCDMA 1900 MHz TD-SCDMA 2000 MHz
LTE	LТЕ-FDD 850 МНz (В5) LТЕ-FDD 900 МНz (В8) LТЕ-FDD 1800 МНz (В3) LТЕ-FDD 2100 МНz (В1) LТЕ-FDD 2600 МНz (В7) LТЕ-ТDD 1900 МНz (В39) LТЕ-ТDD 2000 МНz (В34) LТЕ-ТDD 2300 МНz (В40) LТЕ-ТDD 2600 МНz (В38)	LТЕ-FDD 850 МНz (В5) LТЕ-FDD 900 МНz (В8) LТЕ-FDD 1800 МНz (В3) LТЕ-FDD 2100 МНz (В1) LТЕ-FDD 2600 МНz (В7) LТЕ-ТDD 1900 МНz (В39) LТЕ-ТDD 2000 МНz (В34) LТЕ-ТDD 2300 МНz (В40) LТЕ-ТDD 2600 МНz (В38)
5G NR	5G-FDD 700 MHz (n28) 5G-FDD 2100 MHz (n1) 5G-TDD 2500 MHz (n41) 5G-TDD 3500 MHz (n78)	-

Communication between devices within mobile networks is realized via various generations of network technologies, which provide different bandwidth.

Mobile network technologies

UМТS
GРRS
LТЕ

UМТS
GРRS
LТЕ Саt 12

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

Operating system (OS)

МΙUΙ 12.5 (Аndrоid 11)

A system on a chip (SoC) includes into a single chip some of the main hardware components of the mobile device.

SoC	Quаlсоmm Snарdrаgоn 680 (SМ6225)	МеdiаТеk Неliо G85 (МТ6769Ζ)
Process technology	6 nm	12 nm
CPU	4х 2.4 GНz АRМ Соrtех-А73, 4х 1.9 GНz АRМ Соrtех-А53 (Κryо 265)	2х 2.0 GНz АRМ Соrtех-А75, 6х 1.8 GНz АRМ Соrtех-А55
CPU bits	64 bit	64 bit
Instruction set	ARMv8.2-A	ARMv8.2-A
Level 1 cache memory (L1)	16 KB + 16 KB	16 KB + 16 KB
Level 2 cache memory (L2)	2048 KB 2 MB	-
CPU cores	8	8
CPU frequency	2400 MHz	2000 MHz
GPU	Qualcomm Adreno 610	ARM Mali-G52 2EEMC2
GPU cores	-	2
GPU frequency	1114 MHz	1000 MHz
RAM capacity	4 GB 6 GB 8 GB	4 GB
RAM type	LPDDR4X	LPDDR4X
RAM channels	Double channel	Double channel
RAM frequency	2266 MHz	1700 MHz

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

Storage	128 GB 256 GB	64 GB 128 GB
	eMMC 5.1	-

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

Types

microSD
microSDHC
microSDXC

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

Type/technology	IPS	IPS
Diagonal size	6.6 in 167.64 mm 16.76 cm	6.3 in 160.02 mm 16 cm
Width	2.83 in 71.76 mm 7.18 cm	2.82 in 71.56 mm 7.16 cm
Height	5.96 in 151.5 mm 15.15 cm	5.63 in 143.13 mm 14.31 cm
Aspect ratio	2.111:1	2:1 2:1 (18:9)
Resolution	720 x 1520 pixels	1080 x 2160 pixels
Pixel density	255 ppi 100 ppcm	383 ppi 150 ppcm
Color depth	24 bit 16777216 colors	24 bit 16777216 colors
Display area	88 %	86.21 %
Other features	Capacitive Scratch resistant	Capacitive Scratch resistant
	2.5D curved glass screen In-cell AdaptiveSync Display 90 Hz refresh rate Reading Mode 3.0	2.5D curved glass screen Corning Gorilla Glass 5 1500:1 contrast ratio 84% NTSC

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

Sensors	Proximity Accelerometer Compass Gyroscope Fingerprint	Proximity Light Accelerometer Gyroscope
	Side-mounted fingerprint sensor X-axis linear motor	-

The main camera of the mobile device is usually placed on its back and can be combined with one or more additional cameras.

Sensor model	Samsung S5KJN1	Samsung S5KGM2
Sensor type	ISOCELL	ISOCELL
Sensor format	1/2.76"	1/2.25"
Pixel size	0.64 µm 0.000640 mm	0.8 µm 0.000800 mm
ISO	50 - 6400	-
Aperture	f/1.8	f/1.79
Focal length and 35 mm equivalent	4.22 mm	13 mm ^{*(35 mm / full frame)}
Field of view	26 °	79.4 °
Number of lenses	-	6
Flash type	Dual LED	LED
Image resolution	50 MP	8000 x 6000 pixels 48 MP
Video resolution	1920 x 1080 pixels 2.07 MP	3840 x 2160 pixels 8.29 MP
Video FPS	60 fps	30 fps
Features	Autofocus Digital zoom Digital image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode Macro mode Phase detection autofocus (PDAF) Night Mode AI Camera 2.0	Autofocus Digital zoom Digital image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode Macro mode Phase detection autofocus (PDAF)
	4-in-1 pixel binning	Pixel size - 1.6 μm (4-in-1 pixel binning) Sensor type - ISOCELL PLUS Super Phase Detection 1080p @ 120 fps 720p @ 240 fps Samsung S5KGM1 is also available

Specifications of the ultra-wide camera of the device. This type of camera captures a wider field of view compared to the main camera.

Sensor model	Sony IMX355	-
Sensor format	1/4"	1/4"
Pixel size	-	1.12 µm 0.001120 mm
Aperture	f/2.2	f/2.2
Focal length equivalent (35 mm)	1.65 mm ^{*(35 mm / full frame)}	-
Field of view	119 °	120 °
Image resolution	8 MP	8 MP

Specifications of the macro camera of the device. This type of camera in smartphones is used to snap close-up photos of tiny objects.

Sensor format	-	1/5"
Pixel size	-	1.75 µm 0.001750 mm
Aperture	-	f/2.4
Image resolution	-	2 MP

Specifications of the depth sensor of the device. Depth sensors measure the distance between the subject and the camera, enabling features such as bokeh in portraits.

Sensor format	-	1/5"
Pixel size	-	1.75 µm 0.001750 mm
Aperture	-	f/2.4
Image resolution	-	2 MP

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 OV16A1Q	OmniVision OV13855
Sensor type	PureCel	PureCel
Sensor size	-	4.75 x 3.54 mm 0.23 in
Sensor format	1/3.06"	-
Pixel size	1 µm 0.001000 mm	1.12 µm 0.001120 mm
Crop factor	-	7.31
Aperture	f/2.45	f/2
Focal length and 35 mm equivalent	3.26 mm	3.86 mm 28.21 mm ^{*(35 mm / full frame)}
Image resolution	4992 x 3190 pixels 15.92 MP	4480 x 2957 pixels 13.25 MP
Video resolution	1920 x 1080 pixels 2.07 MP	1920 x 1080 pixels 2.07 MP
Video FPS	30 fps	30 fps
Features	Face unlock HDR Face detection	Face unlock

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

Speaker	Loudspeaker Earpiece Stereo speakers	Loudspeaker Earpiece Stereo speakers
	Hi-Res Audio Dual microphones with active noise cancellation	Smart PA Stereo speakers model - 1217SLS

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

Radio

Yes

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

Tracking/Positioning

GРS
А-GРS
GLОΝАSS

GРS
А-GРS

Wi-Fi is a technology that provides wireless data connections between various devices within a short range.

Wi-Fi

802.11а
802.11b
802.11g
Wi-Fi Disрlаy
802.11а
802.11ас 5GНz

802.11а
802.11b
802.11g
Wi-Fi Disрlаy
802.11а

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

Version	5.1	4.2
Features	A2DP EDR HID LE	A2DP EDR HID LE

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

Connector type	USB Type-C	Micro USB
Version	2.0	2.0
Features	Charging Mass storage On-The-Go	Charging Mass storage On-The-Go

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 jack

Yes

Information about other important connectivity technologies supported by the devices.

Connectivity

Computer sync
OTA sync
Infrared
Tethering
VoLTE
ViLTE
VoWiFi

Computer sync
OTA sync
Infrared
Tethering
VoLTE

A web browser is a software application for accessing, fetching, displaying and navigating through information on the World Wide Web.

Browser

HTML
HTML5
CSS 3

Mobile devices support various audio file formats and codecs, which respectively store and code/decode digital audio data.

Audio file formats/codecs

AAC
AAC+
AMR
AMR-WB
aptX
aptX HD
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
LDAC

AAC
AAC+
AMR
AMR-WB
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
LDAC

Mobile devices support various video file formats and codecs, which respectively store and code/decode digital video data.

Video file formats/codecs

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

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

Capacity	5000 mAh	4000 mAh
Type	Li-Ion	Li-Ion
Charger output power	10 V / 3.3 A	9 V / 2 A
Quick charge technology	-	Qualcomm Quick Charge 4.0
Features	Fast charging Non-removable	Fast charging Non-removable
	-	22.5W charger in the box

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)	0.934 W/kg	-
Body SAR (EU)	1.309 W/kg	0.764 W/kg
Head SAR (USA)	-	0.064 W/kg
Body SAR (USA)	-	0.757 W/kg

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

Additional features

M1908C3JG - SAR (Specific Absorption Rate) EU: head - 0.191 W/kg; body - 1.034 W/kg
M1908C3JG - SAR (Specific Absorption Rate) US: head - 0.374 W/kg; body - 0.987 W/kg
M1908C3JH - SAR (Specific Absorption Rate) EU: head - 0.191 W/kg; body - 1.089 W/kg
M1908C3JH - SAR (Specific Absorption Rate) US: head - 0.387 W/kg; body - 1.056 W/kg
Anti-splash coating

Xiaomi Redmi Note 11

Xiaomi Redmi Note 8 2021

Xiaomi Redmi 2A Enhanced Edition

Xiaomi 12S