Comparison between:
- Xiaomi Redmi Y1
- Xiaomi Redmi 6
- Xiaomi Redmi 9A

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

	Xiaomi Redmi Y1	Xiaomi Redmi 6	Xiaomi Redmi 9A

Model alias	-	Redmi6	M2006C3LG M2006C3LI M2006C3LC M2004C3L

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

Width	76.2 mm 7.62 cm 0.25 ft 3 in	71.5 mm 7.15 cm 0.235 ft 2.815 in	75.9 mm 7.59 cm 0.249 ft 2.988 in
Height	153 mm 15.3 cm 0.502 ft 6.024 in	147.5 mm 14.75 cm 0.484 ft 5.807 in	164.4 mm 16.44 cm 0.539 ft 6.472 in
Thickness	7.55 mm 0.755 cm 0.025 ft 0.297 in	8.3 mm 0.83 cm 0.027 ft 0.327 in	9.1 mm 0.91 cm 0.03 ft 0.358 in
Weight	150 g 0.33 lbs 5.29 oz	145 g 0.32 lbs 5.11 oz	196 g 0.43 lbs 6.91 oz
Volume	88.02 cm³ 5.35 in³	87.53 cm³ 5.32 in³	113.55 cm³ 6.9 in³
Colors	Gold Gray	Gold Rose-gold Blue Silver Gray	Granite Gray Peacook Green Sky Blue
Body materials	Aluminium alloy Plastic	Polycarbonate	Plastic

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	Nano-SIM
Number of SIM cards	2	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)	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 GSМ 900 МНz GSМ 1900 МНz	GSМ 850 МНz GSМ 900 МНz GSМ 1900 МНz	GSМ 850 МНz (В5) GSМ 900 МНz (В8) GSМ 1900 МНz (В2)
CDMA	-	CDMA 800 MHz	-
W-CDMA	W-CDMA 850 MHz W-CDMA 900 MHz W-CDMA 1900 MHz W-CDMA 2100 MHz	-	W-CDMA 850 MHz (B5) W-CDMA 900 MHz (B8) W-CDMA 2100 MHz (B1)
TD-SCDMA	-	TD-SCDMA 1880-1920 MHz TD-SCDMA 2010-2025 MHz	-
UMTS	-	UМТS 900 МНz UМТS 1900 МНz UМТS 2100 МНz	-
LTE	LТЕ 800 МНz LТЕ 850 МНz LТЕ 900 МНz LТЕ 1700/2100 МНz LТЕ 1800 МНz LТЕ 2100 МНz LТЕ 2600 МНz LТЕ-ТDD 2600 МНz (В38)	LТЕ-ТDD 1900 МНz (В39) LТЕ-ТDD 2300 МНz (В40) LТЕ-ТDD 2500 МНz (В41) LТЕ-ТDD 2600 МНz (В38) LТЕ 850 МНz LТЕ 900 МНz LТЕ 1800 МНz LТЕ 2600 МНz	LТЕ-FDD 850 МНz (В5) LТЕ-FDD 900 МНz (В8) LТЕ-FDD 1800 МНz (В3) LТЕ-FDD 2100 МНz (В1) 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 4

UМТS
GРRS
LТЕ Саt 6

UМТS
GРRS
LТЕ Саt 4

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

Operating system (OS)

МΙUΙ V8.5.1 (Аndrоid 7.1.1 Νоugаt)
МΙUΙ V9 (Аndrоid 7.1.1 Νоugаt)
МΙUΙ V10

МΙUΙ V9.6 (Аndrоid 8.1 Оrео)
МΙUΙ V10.0 (Аndrоid 8.1 Оrео)
МΙUΙ (Аndrоid 9.0 Рiе)

МΙUΙ 12 (Аndrоid 10)

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

SoC	Quаlсоmm Snарdrаgоn 435 (МSМ8940)	МеdiаТеk Неliо Р22 (МТ6762)	МеdiаТеk Неliо G25 (МТ6762G)
Process technology	28 nm	12 nm	12 nm
CPU	4х 1.4 GНz АRМ Соrtех-А53, 4х 1.1 GНz АRМ Соrtех-А53	4х 2.0 GНz АRМ Соrtех-А53, 4х 1.5 GНz АRМ Соrtех-А53	4х 2.0 GНz АRМ Соrtех-А53, 4х 1.5 GНz АRМ Соrtех-А53
CPU bits	32 bit	64 bit	64 bit
Instruction set	ARMv7	ARMv8-A	ARMv8-A
Level 1 cache memory (L1)	16 KB + 16 KB	16 KB + 16 KB	16 KB + 16 KB
CPU cores	8	8	8
CPU frequency	1400 MHz	2000 MHz	2000 MHz
GPU	Qualcomm Adreno 505	IMG PowerVR GE8320	IMG PowerVR GE8320
GPU frequency	475 MHz	650 MHz	650 MHz
RAM capacity	3 GB 4 GB	3 GB 4 GB	2 GB
RAM type	LPDDR3	LPDDR3	LPDDR3
RAM channels	Single channel	Single channel	Single channel
RAM frequency	700 MHz	833 MHz	833 MHz

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

Storage	32 GB 64 GB	32 GB 64 GB	32 GB
	eMMC	-	eMMC 5.1

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

Types

microSD
microSDHC
microSDXC

miniSD
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	IPS
Diagonal size	5.5 in 139.7 mm 13.97 cm	5.45 in 138.43 mm 13.84 cm	6.53 in 165.86 mm 16.59 cm
Width	2.35 in 59.8 mm 5.98 cm	2.33 in 59.26 mm 5.93 cm	3.2 in 81.32 mm 8.13 cm
Height	4.97 in 126.25 mm 12.63 cm	4.93 in 125.1 mm 12.51 cm	5.69 in 144.56 mm 14.46 cm
Aspect ratio	2.111:1	2.111:1	1.778:1 16:9
Resolution	720 x 1520 pixels	720 x 1520 pixels	1080 x 1920 pixels
Pixel density	306 ppi 120 ppcm	309 ppi 121 ppcm	337 ppi 132 ppcm
Color depth	24 bit 16777216 colors	24 bit 16777216 colors	24 bit 16777216 colors
Display area	64.97 %	70.52 %	94.51 %
Other features	Capacitive Multi-touch Scratch resistant	Capacitive Multi-touch	Capacitive Multi-touch Scratch resistant
	Corning Gorilla Glass 3 2.5D curved glass screen 1000:1 contrast ratio 450 cd/m² 70% NTSC	2.5D curved glass screen 1000:1 contrast ratio 370 cd/m²	2.5D curved glass screen

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

Sensors	Proximity Light Accelerometer Compass Gyroscope Fingerprint	Proximity Light Accelerometer Compass Gyroscope	Proximity Light Accelerometer
	Fingerprint sensor model - Fingerprint Cards FPC1035	Fingerprint sensor model - Fingerprint Cards FPC1028	-

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	-	Sony IMX486 Exmor RS	-
Sensor type	CMOS	CMOS	CMOS
Sensor format	-	1/2.9"	-
Pixel size	-	1.25 µm 0.001250 mm	1.12 µm 0.001120 mm
ISO	100 - 3200	-	-
Aperture	f/2.2	f/2.2	f/1.8
Focal length and 35 mm equivalent	-	3.82 mm	-
Number of lenses	-	5	-
Flash type	LED	Dual LED	LED
Image resolution	4160 x 3120 pixels 12.98 MP	4016 x 3008 pixels 12.08 MP	4160 x 3120 pixels 12.98 MP
Video resolution	1920 x 1080 pixels 2.07 MP	1920 x 1080 pixels 2.07 MP	1920 x 1080 pixels 2.07 MP
Video FPS	30 fps	30 fps	30 fps
Features	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)	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 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)
	-	480p @ 120 fps Secondary rear camera - 5 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	-	-
Sensor type	PureCel	-	-
Pixel size	-	1.12 µm 0.001120 mm	-
Aperture	f/2	f/2.2	f/2.4
Focal length and 35 mm equivalent	-	2.64 mm	27 mm ^{*(35 mm / full frame)}
Field of view	76.4 °	-	-
Image resolution	4864 x 3274 pixels 15.92 MP	2592 x 1936 pixels 5.02 MP	1600 x 1200 pixels 1.92 MP
Video resolution	1920 x 1080 pixels 2.07 MP	1920 x 1080 pixels 2.07 MP	1280 x 720 pixels 0.92 MP
Video FPS	30 fps	30 fps	30 fps
Features	-	Face unlock	Face unlock HDR

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

Speaker

Loudspeaker
Earpiece

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

802.11b
802.11g
Wi-Fi Disрlаy
802.11а

802.11b
802.11g
802.11а

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

Version	4.2	4.2	5.0
Features	A2DP HID LE	A2DP HID	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	Micro USB
Version	2.0	2.0	2.0
Features	Charging Host Mass storage On-The-Go	Charging Host 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

Computer sync
OTA sync
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
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV

AAC
AAC+
AC3
AMR
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV

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
H.263
H.264
H.265
MKV
QuickTime
VC-1
Xvid

3GPP
AVI
H.263
H.264
MKV
MP4
VC-1
VP8
Xvid

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	3080 mAh	3000 mAh	5000 mAh
Type	Li-Polymer	Li-Polymer	Li-Polymer
2G talk time	32 h 1920 min 1.3 days	-	-
2G stand-by time	240 h 14400 min 10 days	-	-
3G talk time	32 h 1920 min 1.3 days	-	-
3G stand-by time	240 h 14400 min 10 days	-	-
Charger output power	5 V / 2 A	5 V / 1 A	5 V / 2 A
Features	Non-removable	Non-removable	Fast charging Non-removable

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)	-	0.8 W/kg	0.738 W/kg
Body SAR (EU)	-	1.567 W/kg	1.496 W/kg
Head SAR (USA)	1.207 W/kg	1.085 W/kg	1.191 W/kg
Body SAR (USA)	1.63 W/kg	1.34 W/kg	0.917 W/kg
Head SAR (India)	-	0.793 W/kg	0.528 W/kg
Body SAR (India)	-	0.707 W/kg	0.791 W/kg

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

Additional features

M1804C3DG - SAR (Specific Absorption Rate) EU: head - 0.550 W/kg; body - 1.417 W/kg
M1804C3DG - SAR (Specific Absorption Rate) US: head - 0.970 W/kg; body - 1.150 W/kg
M1804C3DH - SAR (Specific Absorption Rate) EU: head - 0.616 W/kg; body - 1.379 W/kg
M1804C3DH - SAR (Specific Absorption Rate) US: head - 0.950 W/kg; body - 1.150 W/kg
M1804C3DI - SAR (Specific Absorption Rate) India: head - 0.793 W/kg; body - 0.707 W/kg

Xiaomi Redmi Y1

Xiaomi Redmi 6

Xiaomi Redmi 9A

Xiaomi Redmi Note 11T 5G

Xiaomi Mi Note Pro

Huawei TalkBand B1

Huawei Mate 20 Pro

Xiaomi Redmi Pad