Comparison between:
- Xiaomi Redmi K40
- Xiaomi Redmi K40 Gaming Edition
- Xiaomi 13T

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

	Xiaomi Redmi K40	Xiaomi Redmi K40 Gaming Edition	Xiaomi 13T

Model alias	M2012K11AC	Redmi K40 Gaming Enhanced Edition M2104K10AC	-

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

Width	76.4 mm 7.64 cm 0.251 ft 3.008 in	76.93 mm 7.693 cm 0.252 ft 3.029 in	75.7 mm 7.57 cm 0.248 ft 2.98 in
Height	163.7 mm 16.37 cm 0.537 ft 6.445 in	161.94 mm 16.194 cm 0.531 ft 6.376 in	162.2 mm 16.22 cm 0.532 ft 6.386 in
Thickness	7.8 mm 0.78 cm 0.026 ft 0.307 in	8.3 mm 0.83 cm 0.027 ft 0.327 in	8.49 mm 0.849 cm 0.028 ft 0.334 in
Weight	196 g 0.43 lbs 6.91 oz	205 g 0.45 lbs 7.23 oz	197 g 0.43 lbs 6.95 oz
Volume	97.55 cm³ 5.92 in³	103.4 cm³ 6.28 in³	104.24 cm³ 6.33 in³
Colors	Icy White Glossy Black Dreamland	Silver Wing Light Blade Shadow Bruce Lee Themed Version	Black Meadow Green Alpine Blue
Body materials	Glass Plastic	Glass Metal	Faux leather Aluminium alloy Glass
Certification	-	IP53	IP68

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 Nano-SIM / microSD	Nano-SIM eSIM
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 (В5) GSМ 900 МНz (В8) GSМ 1900 МНz (В2)	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 850 MHz (B6) W-CDMA 900 MHz (B8) W-CDMA 900 MHz (B19) W-CDMA 1700 MHz (B4) W-CDMA 1900 MHz (B2) W-CDMA 2100 MHz (B1)	W-CDMA 850 MHz (B5) W-CDMA 850 MHz (B6) W-CDMA 900 MHz (B8) W-CDMA 900 MHz (B19) W-CDMA 1700 MHz (B4) W-CDMA 1900 MHz (B2) W-CDMA 2100 MHz (B1)	W-CDMA 850 MHz (B5) W-CDMA 850 MHz (B6) W-CDMA 900 MHz (B8) W-CDMA 900 MHz (B19) W-CDMA 1700 MHz (B4) W-CDMA 2100 MHz (B1)
TD-SCDMA	TD-SCDMA 1880-1920 MHz TD-SCDMA 2010-2025 MHz	TD-SCDMA 1880-1920 MHz TD-SCDMA 2010-2025 MHz	-
LTE	LТЕ-FDD 700 МНz (В28) LТЕ-FDD 850 МНz (В5) LТЕ-FDD 850 МНz (В18) LТЕ-FDD 850 МНz (В19) LТЕ-FDD 850 МНz (В26) LТЕ-FDD 900 МНz (В8) LТЕ-FDD 1700 МНz (В4) LТЕ-FDD 1800 МНz (В3) LТЕ-FDD 1900 МНz (В2) 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 700 МНz (В28) LТЕ-FDD 850 МНz (В5) LТЕ-FDD 850 МНz (В18) LТЕ-FDD 850 МНz (В19) LТЕ-FDD 850 МНz (В26) LТЕ-FDD 900 МНz (В8) LТЕ-FDD 1700 МНz (В4) LТЕ-FDD 1800 МНz (В3) LТЕ-FDD 1900 МНz (В2) 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 700 МНz (В12) LТЕ-FDD 700 МНz (В13) LТЕ-FDD 700 МНz (В17) LТЕ-FDD 700 МНz (В28) LТЕ-FDD 800 МНz (В20) LТЕ-FDD 850 МНz (В5) LТЕ-FDD 850 МНz (В18) LТЕ-FDD 850 МНz (В19) LТЕ-FDD 850 МНz (В26) LТЕ-FDD 900 МНz (В8) LТЕ-FDD 1500 МНz (В32) LТЕ-FDD 1700 МНz (В4) LТЕ-FDD 1700 МНz (В66) LТЕ-FDD 1800 МНz (В3) LТЕ-FDD 1900 МНz (В2) LТЕ-FDD 1900 МНz (В25) 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 1800 MHz (n3) 5G-FDD 2100 MHz (n1) 5G-TDD 2500 MHz (n41) 5G-TDD 3500 MHz (n78) 5G-TDD 3700 MHz (n77)	5G-FDD 700 MHz (n28) 5G-FDD 1800 MHz (n3) 5G-FDD 2100 MHz (n1) 5G-TDD 2500 MHz (n41) 5G-TDD 3500 MHz (n78) 5G-TDD 3700 MHz (n77)	5G-FDD 700 MHz (n28) 5G-FDD 800 MHz (n20) 5G-FDD 850 MHz (n5) 5G-FDD 900 MHz (n8) 5G-SDL 1500 MHz (n75) 5G-FDD 1800 MHz (n3) 5G-FDD 2100 MHz (n1) 5G-TDD 2300 MHz (n40) 5G-TDD 2500 MHz (n41) 5G-FDD 2600 MHz (n7) 5G-TDD 2600 MHz (n38) 5G-TDD 3500 MHz (n78) 5G-TDD 3700 MHz (n77)

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

Mobile network technologies

ЕDGЕ
НSРА+
ТD-SСDМА

UМТS
GРRS
LТЕ

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

Operating system (OS)

МΙUΙ 12.2 (Аndrоid 11)

МΙUΙ 12.5 (Аndrоid 11)

МΙUΙ 14 (Аndrоid 13)

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

SoC	Quаlсоmm Snарdrаgоn 870 (SМ8250-АС)	МеdiаТеk Dimеnsity 1200 (МТ6893)	МеdiаТеk Dimеnsity 8200-Ultrа (МТ6896ΖВ)
Process technology	7 nm	6 nm	4 nm
CPU	1х 3.2 GНz АRМ Соrtех-А77, 3х 2.42 GНz АRМ Соrtех-А77, 4х 1.8 GНz АRМ Соrtех-А55 (Κryо 585)	1х 3.0 GНz АRМ Соrtех-А78, 3х 2.6 GНz АRМ Соrtех-А78, 4х 2.0 GНz АRМ Соrtех-А55	1х 3.1 GНz АRМ Соrtех-А78, 3х 3.0 АRМ Соrtех-А78, 4х 2.0 АRМ Соrtех-А55
CPU bits	64 bit	64 bit	64 bit
Instruction set	ARMv8.2-A	ARMv8.2-A	ARMv8.2-A
Level 1 cache memory (L1)	16 KB + 16 KB	16 KB + 16 KB	16 KB + 16 KB
Level 2 cache memory (L2)	1024 KB 1 MB	-	-
Level 3 cache memory (L3)	4096 KB 4 MB	-	-
CPU cores	8	8	8
CPU frequency	3200 MHz	3000 MHz	3100 MHz
GPU	Qualcomm Adreno 650	ARM Mali-G77 MC9	ARM Mali-G610 MC6
GPU cores	-	9	6
GPU frequency	670 MHz	886 MHz	950 MHz
RAM capacity	6 GB 8 GB	6 GB 8 GB 12 GB	8 GB
RAM type	LPDDR5	LPDDR4X	LPDDR5
RAM channels	Quad channel	Quad channel	Quad channel
RAM frequency	2650 MHz	2033 MHz	3333 MHz
	-	APU 3.0 Three-layered cooling system with VC Game Turbo 5.0	5000 mm² VC cooling system

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

Storage	128 GB 256 GB	128 GB 256 GB	256 GB
	UFS 3.1	UFS 2.0	eMMC 5.1

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

Type/technology	E4 AMOLED	AMOLED	C7 AMOLED
Diagonal size	6.67 in 169.42 mm 16.94 cm	6.67 in 169.42 mm 16.94 cm	6.67 in 169.42 mm 16.94 cm
Width	2.86 in 72.53 mm 7.25 cm	3.27 in 83.06 mm 8.31 cm	3.19 in 81.01 mm 8.1 cm
Height	6.03 in 153.11 mm 15.31 cm	5.81 in 147.66 mm 14.77 cm	5.86 in 148.79 mm 14.88 cm
Aspect ratio	2.111:1	1.778:1 16:9	1.837:1
Resolution	720 x 1520 pixels	1080 x 1920 pixels	1176 x 2160 pixels
Pixel density	252 ppi 99 ppcm	330 ppi 129 ppcm	369 ppi 145 ppcm
Color depth	24 bit 16777216 colors	30 bit 1073741824 colors	30 bit 1073741824 colors
Display area	89.07 %	98.76 %	98.49 %
Other features	Capacitive Multi-touch Scratch resistant	Capacitive Multi-touch Scratch resistant	Capacitive Scratch resistant
	3D curved glass screen Corning Gorilla Glass 5 120 Hz refresh rate 360 Hz touch sampling rate HDR10+ 1300 cd/m² peak brightness 5000000:1 MEMC Sunscreen 3.0 Night Light Screen Display manufacturer - Samsung	2.5D curved glass screen Corning Gorilla Glass 5 120 Hz refresh rate 480 Hz touch sampling rate HDR10+ 500 cd/m² 5000000:1	2.5D curved glass screen Corning Gorilla Glass 5 144 Hz refresh rate AdaptiveSync technology 2880 Hz PWМ dimming 100% DCI-P3 1200 cd/m² HBM 2600 cd/m² peak brightness TrueColor Display Pro HDR-Display HDR Vivid HDR10+ Dolby Vision Zreal Engine

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

Sensors	Light Accelerometer Compass Gyroscope Pedometer Geomagnetic Fingerprint Gravity Color temperature sensor	Accelerometer Compass Gyroscope Pedometer Fingerprint 360° Light sensor	Accelerometer Compass Gyroscope Fingerprint Ultrasonic proximity sensor
	Side-mounted fingerprint sensor X-axis linear motor	Side-mounted fingerprint sensor X-axis linear motor	X-axis linear motor In-display fingerprint sensor

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 IMX582 Exmor RS	-	Sony IMX707
Sensor type	CMOS BSI	CMOS BSI	CMOS BSI 2
Sensor format	1/2"	1/2"	1/1.28"
Pixel size	0.8 µm 0.000800 mm	0.7 µm 0.000700 mm	1.22 µm 0.001220 mm
Aperture	f/1.79	f/1.65	f/1.9
Focal length and 35 mm equivalent	-	-	24 mm ^{*(35 mm / full frame)}
Number of lenses	-	6	7
Flash type	Dual LED	Dual LED	LED
Image resolution	8000 x 6000 pixels 48 MP	9280 x 6920 pixels 64.22 MP	8120 x 6180 pixels 50.18 MP
Video resolution	3840 x 2160 pixels 8.29 MP	7680 x 3160 pixels 24.27 MP	3840 x 2160 pixels 8.29 MP
Video FPS	30 fps	30 fps	30 fps
Features	Autofocus Continuous shooting Digital zoom Digital image stabilization 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)	Autofocus Continuous shooting Digital zoom Digital image stabilization 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)	Autofocus Continuous shooting Digital zoom Optical zoom Digital image stabilization Optical 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) Smart-ISO Pro Xiaomi ProFocus Xiaomi ProCut 10-bit RAW
	Pixel size - 1.6 μm (4-in-1 pixel binning) 1080p @ 960 fps	Pixel size - 2.1 μm (9-in-1 pixel binning) 1G + 5P glass-plastic hybrid lens	ALD polarizing filter Leica Vario-Summicron Aspheric Lens Super QPD pixel size - 2.24 μm

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	-	-	1/3.06"
Pixel size	-	-	1.12 µm 0.001120 mm
Aperture	f/2.4	f/2.2	f/2.2
Focal length equivalent (35 mm)	-	-	15 mm ^{*(35 mm / full frame)}
Number of lenses	-	-	5
Image resolution	8 MP	8 MP	12 MP
	Amgle of view - 119°	Amgle of view - 120°	-

Specifications of the telephoto camera. These cameras are used to capture distant objects by using optical zoom to make them look closer without losing resolution and detail.

Sensor model	-	-	OmniVision OV50D
Sensor format	-	-	1/2.88"
Pixel size	-	-	0.61 µm 0.000610 mm
Aperture	-	-	f/1.9
Focal length equivalent (35 mm)	-	-	50 mm ^{*(35 mm / full frame)}
Number of lenses	-	-	5
Image resolution	-	-	50 MP
Features	-	-	Autofocus

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

Aperture	f/2.4	f/2.4	-
Image resolution	5 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 type	-	CMOS BSI	CMOS
Pixel size	-	-	0.8 µm 0.000800 mm
Aperture	-	-	f/2.45
Field of view	-	-	78 °
Number of lenses	-	-	5
Image resolution	20 MP	4864 x 3274 pixels 15.92 MP	20 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	60 fps
Features	Face unlock HDR	Face unlock HDR	Face unlock HDR Face detection

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

Speaker	Loudspeaker Earpiece Stereo speakers	Loudspeaker Earpiece Stereo speakers	Loudspeaker Earpiece Stereo speakers
	Dolby Atnation Hi-Res Audio Hi-Res Audio Wireless	JBL tuned Dolby Atmos Hi-Res Audio Hi-Res Audio Wireless	Dolby Atmos Hi-Res Audio Hi-Res Audio Wireless Dual microphones with active noise cancellation

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

GРS
А-GРS
GLОΝАSS

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 Wi-Fi 6 (802.11ах) 802.11а	802.11а 802.11b 802.11g Wi-Fi 6 (802.11ах) Wi-Fi Disрlаy 802.11а 802.11аd	802.11а 802.11b 802.11g Wi-Fi 6 (802.11ах) Wi-Fi 6Е (802.11ах) Wi-Fi 7 (802.11bе) Wi-Fi Disрlаy 802.11а 802.11ас 5GНz
	-	2x2 MIMO	2x2 MIMO

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

Version	5.1	5.2	5.4
Features	A2DP LE	A2DP 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	USB Type-C
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

Information about other important connectivity technologies supported by the devices.

Connectivity

Computer sync
Infrared
Tethering
NFC
VoLTE

Computer sync
OTA sync
Infrared
Tethering
NFC
VoLTE
ViLTE
VoWiFi

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
AMR-WB
FLAC
MP3
OGG
WMA
WAV
APE
AMR-NB
LDAC
LHDC

AAC
AAC+
AMR
AMR-WB
aptX
aptX HD
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
LDAC
LHDC 5.0
LC3
APE
AWB

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

Video file formats/codecs

AVI
MKV
MP4
WMV
WEBM
3GP
ASF

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

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

Capacity	4520 mAh	5065 mAh	5000 mAh
Type	Li-Polymer	Li-Polymer	Li-Polymer
Charger output power	5 V / 6.6 A	10 V / 6.7 A	10 V / 6.7 A
Quick charge technology	-	Qualcomm Quick Charge 3+, USB Power Delivery 3.0	Power Delivery 2.0, Power Delivery 3.0
Features	Fast charging Non-removable	Fast charging Non-removable	Fast charging Non-removable
	-	-	Xiaomi Surge P1 Chip

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

Additional features

Pop-up shoulder buttons

Xiaomi Redmi K40

Xiaomi Redmi K40 Gaming Edition

Xiaomi 13T

Xiaomi Mi 9X

Huawei Ascend Y600

OnePlus 6T

Xiaomi Redmi A7 Pro

Xiaomi Redmi 2A Enhanced Edition