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

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

	Xiaomi Redmi Note 8T	Xiaomi Redmi Note 8 2021

Model alias	Redmi Note8T Red Rice Note 8T Red Rice Note8 T M1908C3JH M1908C3JG M1908C3JI	Redmi Note8 2021

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

Width	75.4 mm 7.54 cm 0.247 ft 2.969 in	75.3 mm 7.53 cm 0.247 ft 2.965 in
Height	161.15 mm 16.115 cm 0.529 ft 6.344 in	158.3 mm 15.83 cm 0.519 ft 6.232 in
Thickness	8.6 mm 0.86 cm 0.028 ft 0.339 in	8.35 mm 0.835 cm 0.027 ft 0.329 in
Weight	199 g 0.44 lbs 7.05 oz	190 g 0.42 lbs 6.7 oz
Volume	104.5 cm³ 6.35 in³	99.53 cm³ 6.04 in³
Colors	Neptune Blue Moonlight White Space Black	Black Dark Blue Light Blue
Body materials	Glass Plastic	Plastic Glass
Certification	IP52	-

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 / microSD	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 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	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)

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

Mobile network technologies	UМТS GРRS LТЕ Саt 12	UМТS GРRS LТЕ Саt 12
	3CA 256-QAM 4x4 MIMO	-

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

Operating system (OS)

МΙUΙ V10 (Аndrоid 9.0 Рiе)
МΙUΙ V11 (Аndrоid 9.0 Рiе)
МΙUΙ V12 (Аndrоid 10)

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 665 (SМ6125)	МеdiаТеk Неliо G85 (МТ6769Ζ)
Process technology	11 nm	12 nm
CPU	4х 2.0 GНz АRМ Соrtех-А73, 4х 1.8 GНz АRМ Соrtех-А53 (Κryо 260)	2х 2.0 GНz АRМ Соrtех-А75, 6х 1.8 GНz АRМ Соrtех-А55
CPU bits	64 bit	64 bit
Instruction set	ARMv8-A	ARMv8.2-A
Level 1 cache memory (L1)	16 KB + 16 KB	16 KB + 16 KB
CPU cores	8	8
CPU frequency	2000 MHz	2000 MHz
GPU	Qualcomm Adreno 610	ARM Mali-G52 2EEMC2
GPU cores	-	2
GPU frequency	950 MHz	1000 MHz
RAM capacity	4 GB 6 GB	4 GB
RAM type	LPDDR4X	LPDDR4X
RAM channels	Double channel	Double channel
RAM frequency	1766 MHz	1700 MHz

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

Storage

64 GB
128 GB

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	6.3 in 160.02 mm 16 cm	6.3 in 160.02 mm 16 cm
Width	2.82 in 71.56 mm 7.16 cm	2.82 in 71.56 mm 7.16 cm
Height	5.63 in 143.13 mm 14.31 cm	5.63 in 143.13 mm 14.31 cm
Aspect ratio	2:1 2:1 (18:9)	2:1 2:1 (18:9)
Resolution	1080 x 2160 pixels	1080 x 2160 pixels
Pixel density	383 ppi 150 ppcm	383 ppi 150 ppcm
Color depth	24 bit 16777216 colors	24 bit 16777216 colors
Display area	84.57 %	86.21 %
Other features	Capacitive Scratch resistant	Capacitive Scratch resistant
	2.5D curved glass screen Corning Gorilla Glass 5 TÜV Rheinland certification for low blue light emissions 1500:1 contrast ratio 500 cd/m² 84% NTSC	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
Light
Accelerometer
Compass
Gyroscope

Proximity
Light
Accelerometer
Gyroscope

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 S5KGM1	Samsung S5KGM2
Sensor type	ISOCELL	ISOCELL
Sensor format	1/2.25"	1/2.25"
Pixel size	0.8 µm 0.000800 mm	0.8 µm 0.000800 mm
Aperture	f/1.79	f/1.79
Focal length and 35 mm equivalent	13 mm ^{*(35 mm / full frame)}	13 mm ^{*(35 mm / full frame)}
Field of view	79.4 °	79.4 °
Number of lenses	6	6
Flash type	LED	LED
Image resolution	8000 x 6000 pixels 48 MP	8000 x 6000 pixels 48 MP
Video resolution	3840 x 2160 pixels 8.29 MP	3840 x 2160 pixels 8.29 MP
Video FPS	30 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)	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)
	Pixel size - 1.6 μm (4-in-1 pixel binning) Sensor type - ISOCELL PLUS Super Phase Detection 1080p @ 120 fps 720p @ 240 fps	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 format	1/4"	1/4"
Pixel size	1.12 µm 0.001120 mm	1.12 µm 0.001120 mm
Aperture	f/2.2	f/2.2
Field of view	120 °	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"	1/5"
Pixel size	1.75 µm 0.001750 mm	1.75 µm 0.001750 mm
Aperture	f/2.4	f/2.4
Image resolution	2 MP	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"	1/5"
Pixel size	1.75 µm 0.001750 mm	1.75 µm 0.001750 mm
Aperture	f/2.4	f/2.4
Image resolution	2 MP	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 OV13855	OmniVision OV13855
Sensor type	PureCel	PureCel
Sensor size	4.75 x 3.54 mm 0.23 in	4.75 x 3.54 mm 0.23 in
Pixel size	1.12 µm 0.001120 mm	1.12 µm 0.001120 mm
Crop factor	7.31	7.31
Aperture	f/2	f/2
Focal length and 35 mm equivalent	3.86 mm 28.21 mm ^{*(35 mm / full frame)}	3.86 mm 28.21 mm ^{*(35 mm / full frame)}
Image resolution	4480 x 2957 pixels 13.25 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	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
	Smart PA Stereo speakers model - 1217SLS	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

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

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

Version	5.0	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	Micro USB	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 NFC VoLTE ViLTE	Computer sync OTA sync Infrared Tethering VoLTE
	NXP-SN100T chip for NFC	-

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	4000 mAh	4000 mAh
Type	Li-Polymer	Li-Ion
Charger output power	9 V / 2 A	9 V / 2 A
Quick charge technology	Qualcomm Quick Charge 3.0	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.

Body SAR (EU)	1.71 W/kg	0.764 W/kg
Head SAR (USA)	-	0.064 W/kg
Body SAR (USA)	0.86 W/kg	0.757 W/kg

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

Additional features

Splash-resistant nano-coating

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 8T

Xiaomi Redmi Note 8 2021

Xiaomi Redmi Note 11 Pro

Huawei Ascend Y600

Asus ZenWatch