Score from 10
5.7

Xiaomi Redmi K40S

Score

Camera	5.6
Performance	7.3
Screen	5.1
Battery	3.7
Connectivity	6.3
Appearance	7.4
Futures	5

Pros and cons

Good	Performance, Appearance
Normal	Camera, Screen, Connectivity, Futures
Bad	Battery

Xiaomi Redmi K40S specifications

Brand	Xiaomi
Model	Redmi K40S 22021211RC Munch
Category	Mobile phones
Country	China

Weight	195 grams
Density	395 ppi
Memory size	6 Gigabytes
Battery capacity	4500 mAh

Width	75.9 milimeters
Height	163.2 milimeters
Thickness	7.73 milimeters
Weight	195 grams
Materials	Plastic
Colors	Black, Blue, Silver, Green
Effective area	86 percents
Resistance certificate	IP53
Operating system	Android 12
Interface	MIUI V13
Google play	No

Screen type	Amoled Samsung E4
Screen futures	Hole-punch Notch, Refresh rate 120 Hz, Touch sampling rate 360 Hz, 5000000:1 contrast ratio, Always-On Display, HDR10, DCI-P3, MEMC, Dolby Vision, Scratch resistant, Corning Gorilla Glass 5, Capacitive, Multi-touch, Frameless
Aspect Ratio	20 : 9
Screen resolution	1080 x 2400
Resolution type	FHD
Density	395 ppi

Audio futures	Dolby Atmos, Hi-Res Audio, Stereo Speakers, 2 microphones
Headphone Jack	No
Radio	No

NFC	Yes
Voice over LTE	Yes
PC sync	Yes
OTA sync	Yes
Infrared	Yes
Tethering	Yes
Sim cards	Dual SIM
Wi-Fi standards	802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac
Wi-Fi futures	Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, Wi-Fi MiMO
Bluetooth version	Bluetooth 5.2
Navigation	A-GPS, GLONASS, Beidou, QZSS, Galileo, NavIC System

Memory size	6 Gigabytes
RAM type	RAM LPDDR5
CPU name	Qualcomm Snapdragon 870
CPU cores
GPU name	Qualcomm Adreno 650

Storage size	128 Gigabytes
ROM type	UFS Storage 3.1
Card slot	No
Slot type

Battery capacity	4500 mAh
Battery type	Li-Polymer
Battery futures	Non-removable
USB Type C	Yes
Fast charge	Yes

Fingerprint	Yes
Fingerprint location	On the side
Proximity
Light sensor	Yes
Accelerometer	Yes
Gyroscope	Yes
Gravity
Cooling system	Yes
Gaming buttons	No
Notifications

2G	CDMA (800) B2 (1900) B3 (1800) B5 (850) B8 (900)
3G	B1 (2100) B2 (1900) B4 (1700/2100 AWS A-F) B5 (850) B6 (800) B8 (900) B19 (800)
4G LTE	B1 (2100) B2 (1900) B3 (1800) B4 (1700/2100 AWS 1) B5 (850) B8 (900) B18 (800) B19 (800) B26 (850) B34 (TDD 2100) B38 (TDD 2600) B39 (TDD 1900) B40 (TDD 2300) B41 (TDD 2500) B42 (TDD 3500)
5G	N1 (2100) N3 (1800) N5 (850) N8 (900) N28A (700) N38 (2600) N40 (2300) N41 (2500) N77 (3700) N78 (3500)

Benchmarks

Antutu _v9	Total Score	715 000 _19.03.2022
UL-Benchmark	Performance	9 967 _17.06.2022
AI-Benchmark	Score, K	164 _25.11.2022

Chipset

Model	Manufacturer	GPU	Cores	Speed
Snapdragon 870	Qualcomm	Qualcomm Adreno 650	8 cores	0 GHz - GHz

Cores list

A77 3.20	0 GHz

A77 2.4	0 GHz

A77 2.4	0 GHz

A77 2.4	0 GHz

A55 1.8	0 GHz

A55 1.8	0 GHz

A55 1.8	0 GHz

A55 1.8	0 GHz

Camera sensors

Main camera
Sensor model	IMX582 Exmor RS
Manufacturer	Sony
Resolution	48 MP
Aperture	ƒ/1.79
Sensor type	CMOS

Wide Angle lens
Sensor model	-
Manufacturer	-
Resolution	8 MP
Aperture	ƒ/2.2
Sensor type	CMOS

Macro lens
Sensor model	-
Manufacturer	-
Resolution	2 MP
Aperture	ƒ/2.4
Sensor type	-

Selfie
Sensor model	IMX596
Manufacturer	Sony
Resolution	20 MP
Aperture	-
Sensor type	CMOS

Supported bands

Carrier	2G GSM	3G UMTS	4G LTE
AT&T	B5 (850) B2 (1900)	B2 (1900) B5 (850)	B2 (1900) B4 (1700 / 2100 AWS 1) B17 (700) B30 (2300)
Bluegrass Cellular			B12 (700)
Boost Mobile			B2 (1900) B5 (850) B41 (TDD 2500) B25 (1900+) B26 (850)
C Spire			B2 (1900) B4 (1700 / 2100 AWS 1) B5 (850) B41 (TDD 2500) B12 (700)
Carolina West Wireless			B14 (700)
Cellular One	B5 (850)
Chariton Valley	B5 (850)		B14 (700)
Commnet Wireless	B5 (850) B2 (1900)
Cricket	B5 (850) B2 (1900)	B2 (1900) B5 (850)	B2 (1900) B4 (1700 / 2100 AWS 1) B17 (700) B30 (2300)
Indigo Wireless	B5 (850) B2 (1900)	B5 (850)
iWireless	B2 (1900)	B4 (1700 / 2100 AWS A-F)	B2 (1900) B4 (1700 / 2100 AWS 1)
Limitless Mobile	B2 (1900)		B2 (1900)
Lycamobile	B2 (1900)	B2 (1900) B4 (1700 / 2100 AWS A-F)	B2 (1900) B4 (1700 / 2100 AWS 1) B12 (700)
Metro	B2 (1900)	B2 (1900) B4 (1700 / 2100 AWS A-F)	B2 (1900) B4 (1700 / 2100 AWS 1) B12 (700) B66 (1700 / 2100) B71 (600)
Pine Cellular	B5 (850)
Plateau Wireless	B5 (850)	B4 (1700 / 2100 AWS A-F) B5 (850)
Sprint			B2 (1900) B5 (850) B41 (TDD 2500) B25 (1900+) B26 (850)
Straight Talk	B5 (850) B2 (1900)	B2 (1900) B4 (1700 / 2100 AWS A-F) B5 (850)	B2 (1900) B4 (1700 / 2100 AWS 1) B5 (850) B41 (TDD 2500) B12 (700) B13 (700) B17 (700) B26 (850)
T-Mobile	B2 (1900)	B2 (1900) B4 (1700 / 2100 AWS A-F)	B2 (1900) B4 (1700 / 2100 AWS 1) B12 (700) B66 (1700 / 2100) B71 (600)
Ting		B2 (1900) B4 (1700 / 2100 AWS A-F)	B2 (1900) B4 (1700 / 2100 AWS 1) B5 (850) B17 (700)
Union Telephone	B5 (850) B2 (1900)
US Cellular	B5 (850) B2 (1900)	B2 (1900) B5 (850)	B2 (1900) B4 (1700 / 2100 AWS 1) B5 (850) B12 (700)
Verizon	B5 (850) B2 (1900)	B2 (1900) B5 (850)	B2 (1900) B4 (1700 / 2100 AWS 1) B13 (700)
Viaero	B5 (850) B2 (1900)	B2 (1900) B5 (850)	B2 (1900) B4 (1700 / 2100 AWS 1) B14 (700)
Virgin Mobile			B2 (1900) B5 (850) B26 (850) B25 (1900+)
West Central Wireless	B5 (850)	B2 (1900) B5 (850)

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Xiaomi Redmi K40S - news and reviews

POCO F4 5G confirmed for global launch with handset appearing in more hands-on photos as an upgraded Xiaomi Redmi K40S

POCO India has confirmed that the POCO F4 5G is set for a global release. Meanwhile, new hands-on photos have underlined that the POCO F4 5G is an upgraded Redmi K40S that Xiaomi already sells in China.

Source: Notebookcheck.net

Date: 08 June 2022, 07:00

Xiaomi Poco F4 stops by Geekbench with Snapdragon 870

Could be a rebranded Redmi K40S indeed.

Source: GSMArena.com

Date: 21 March 2022, 07:00

Xiaomi POCO F4 lands on Geekbench following the Redmi K50 and ...

The POCO F4 has arrived on Geekbench sporting Android 12, a Snapdragon 870 SoC and 8 GB of RAM. The device has appeared on the benchmarking website following the launch of the Redmi K40S, on which the Redmi K50 will be based.

Source: Notebookcheck.net

Date: 21 March 2022, 07:00

Xiaomi recycles the Redmi K40 with the Redmi K40S, a mid-range smartphone that shares many features with the Redmi K50

Xiaomi has released the Redmi K40S, a re-branded Redmi K40 with OIS. The Redmi K40S has a Snapdragon 870 SoC and many of the same features included in the Redmi K50. The Redmi K40S starts at a much more affordable CNY 1,799 (~US$283) though and is also available with up 12 GB of RAM and 256 GB of storage.

Source: Notebookcheck.net

Date: 17 March 2022, 07:00

Xiaomi recycles the Redmi K40 with the Redmi K40S, a mid-range ...

Source: Notebookcheck.net

Date: 17 March 2022, 07:00