Xiaomi Redmi K40S – Specs, Price, Release Date & Review

Name: Xiaomi Redmi K40S
Brand: Xiaomi
Rating: 3.4 (10 reviews)

Added: 03.19.22 | Updated: 12.21.22

Model: Redmi K40S
Brand: Xiaomi
Rating: 3.40 out of 5 (10 votes)
Price: 260 EUR
Year of manufacture: 2022
Dimensions: 163.2 x 76 x 7.7 mm
Weight: 195 g
Chipset: Qualcomm SM8250-AC Snapdragon 870 5G (7 nm)
Built-in memory: 128GB 6GB RAM
Screen: AMOLED 6.67 inches
Battery: 4500 mAh
Rear camera: Triple, 48MP
Front camera: Single, 20MP

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Xiaomi Redmi K40S specs

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Common

Brand and model	Xiaomi Redmi K40S
Launch date	2022, March 17

Price

First price	260 EUR

Design

Height	6.43 in (163.2 mm)
Width	2.99 in ( 76 mm)
Depth	0.3 in ( 7.7 mm)
Weight	6.88 oz (195 grams)
Build materials	Glass front (Gorilla Glass 5), plastic back
Water resistant	Splash resistant
Colors	Black, Gray, Blue, Green
Case	Buy a case from Amazon

Screen

Technology	AMOLED
Size	6.67 in
Screen Area	107.4 cm²
Resolution	1080 x 2400 px
Points per inch	395 PPI
Color Depth	16M
Ratio (height:width)	20:9
Ratio (screen:body)	86.6%
Screen Protection	Corning Gorilla Glass 5
Additional Features	-120Hz -HDR10+ -1300 nits (peak)
Screen protector	Buy a screen protector from Amazon

Hardware

Chipset	- Qualcomm SM8250-AC Snapdragon 870 5G (7 nm)
CPU	- Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585)
GPU	- Adreno 650

Memory

Internal Memory	128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
Memory Card Slot	No

Software

Operating System (OS)	Android 12, MIUI 13
User Interface

Main Camera

Number of Cameras	Triple
Specs	-48 MP, f/1.8, (wide), 1/2'', 0.8µm, PDAF, OIS -8 MP, 119˚ (ultrawide) -2 MP, f/2.4, (macro)
Features	Dual-LED dual-tone flash, HDR, panorama
Video Recording	4K@30fps, 1080p@30/60/120fps, 720p@960fps; gyro-EIS

Selfie camera

Number of Cameras	Single
Specs	-20 MP, (wide)
Video Recording	1080p@30/120fps

Cellular

Bands	GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
-2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1x -4G - 1, 2, 3, 4, 5, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42 -5G - 1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
SIM Card	Dual SIM (Nano-SIM, dual stand-by)
Speed	HSPA 42.2/5.76 Mbps, LTE-A, 5G

Connectivity

Wi-Fi	Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot
Bluetooth	5.2, A2DP, LE
GPS	Yes, with A-GPS. Up to tri-band: GLONASS (1), BDS (3), GALILEO (2), QZSS (2), NavIC
NFC	Yes
USB	USB Type-C 2.0, USB On-The-Go

Battery

Capacity	4500 mAh
Type	Li-Po, non-removable
Charging	-Fast charging 67W, 100% in 38 min -Power Delivery 3.0 -Quick Charge 3+

Audio

Headphone Jack	No
Radio	No
Others	-24-bit/192kHz audio -stereo speakers

Sensors

Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, color spectrum

Other specifications

Others

Xiaomi Redmi K40S AnTuTu & Geekbench Scores

The Xiaomi Redmi K40S scores 715894 points in AnTuTu 9, powered by the Qualcomm SM8250-AC Snapdragon 870 5G (7 nm) chipset.

Antutu Score

Antutu 9 Score	715894 (Position 266 out of 1347)

Antutu 9 Ranking
260. vivo S16e	720768
261. ZTE Axon 30 5G	720490
262. ZTE Axon 40 pro	720453
263. vivo X70t	720009
264. ZTE Axon 40	720001
265. Oppo Reno6 Pro+ 5G	717003
266. Xiaomi Redmi K40S	715894
267. Xiaomi Poco F4	715443
268. OnePlus 10R	715236
269. ZTE Axon 41 5G	715005
270. Xiaomi Poco F3	715000
271. vivo V23 Pro	712589
272. Realme GT Neo Flash	711903

Geekbench Score

GeekBench 5 Single Core	983 (Position 231 out of 1884)
GeekBench 5 Multi-Core	3362 (Position 219 out of 1873)

GeekBench 5 Single Core Ranking
225. OnePlus 10T	993
226. Xiaomi Mi 11 Ultra	992
227. vivo iQOO Neo 7 SE	991
228. Xiaomi Black Shark 4	988
229. Meizu 18x	987
230. vivo S15 Pro	984
231. Xiaomi Redmi K40S	983
232. Oppo Reno8 Pro+	981
233. Huawei Mate 40 Pro+	980
234. Oppo K10 5G	976
235. OnePlus Ace Racing	976
236. Oppo K10 5G (China)	976
237. OnePlus 10 Pro	975

GeekBench 5 Multi Core Ranking
213. vivo iQOO Neo6 SE	3411
214. Oppo Reno10 Pro+	3400
215. Huawei Mate 40 Pro	3380
216. Tecno Phantom V Flip	3366
217. Realme Q5 Pro	3366
218. Realme GT Neo Flash	3366
219. Xiaomi Redmi K40S	3362
220. Xiaomi Civi 3	3356
221. vivo X70t	3354
222. Sony Xperia 1 IV	3352
223. Sony Xperia 1 III	3350
224. Huawei Mate 40	3350
225. Apple iPhone 11 Pro	3348

Compared to its rivals: the Xiaomi Redmi K50 scores 872226 points in AnTuTu .

Disclaimer: This information is based on public data and official specifications from Xiaomi. However, there may be differences in specifications.

Related Models:

Xiaomi Redmi K40

Xiaomi Redmi K40 Gaming

This model is often compared with:

Xiaomi Redmi K40S VS Xiaomi Redmi K50

Description of the Xiaomi Redmi K40S Specs

The Redmi K40S is a smartphone developed by Xiaomi, a renowned electronics company. Released on March 17, 2022, this device is equipped with a range of modern network technologies including GSM, CDMA, HSPA, CDMA2000, LTE, and 5G, ensuring that it can connect to a variety of networks across different bands. It supports 5G connectivity on bands 1, 3, 5, 8, 28, 38, 40, 41, 77, and 78 SA/NSA. The Redmi K40S features dual SIM support, providing users with the flexibility to use two separate phone numbers.

The device houses a non-removable Li-Po 4500 mAh battery, and it supports fast charging with a capability of reaching 100% charge in just 38 minutes, along with Power Delivery 3.0 and Quick Charge 3+. While the exact battery life statistics like standby and talk time are not provided, the fast-charging feature is a significant convenience for users on the go. Xiaomi has decided not to include a memory card slot in the Redmi K40S, but it comes in various internal memory and RAM configurations: 128GB with 6GB RAM, 128GB with 8GB RAM, 256GB with 8GB RAM, and 256GB with 12GB RAM, catering to different user needs.

In terms of the camera setup, the Redmi K40S sports a triple camera array on the back with a 48 MP primary wide sensor with PDAF and OIS, an 8 MP ultrawide sensor, and a 2 MP macro sensor. A dual-LED dual-tone flash accompanies these, and the camera system has HDR and panorama capabilities. Video recording on the rear camera can go up to 4K at 30fps. The front-facing camera is a single 20 MP wide sensor, capable of 1080p video recording, perfect for selfies and video calls.

For connectivity, the Redmi K40S is fitted with Bluetooth 5.2, Wi-Fi 802.11 a/b/g/n/ac/6, NFC, and GPS with multi-band support, including GLONASS, BDS, GALILEO, QZSS, and NavIC. Unfortunately, the device lacks a 3.5mm headphone jack but features stereo speakers and high-resolution audio support. Splash resistance and various sensors like a side-mounted fingerprint scanner, accelerometer, gyro, proximity, compass, and color spectrum are also included to ensure a versatile user experience.

Physically, the phone has a sleek build with a glass front (protected by Corning Gorilla Glass 5), a plastic back, and an overall weight of 195 grams. It comes available in several colors including Black, Gray, Blue, and Green, and runs on Android 12 with Xiaomi's MIUI 13 interface. The Redmi K40S scored an AnTuTu benchmark v9 score of 715,894, reflecting its competitive performance in its category.

We invite you to explore all the detailed features below. You will also find a list of models with which the Xiaomi Redmi K40S is most often compared, giving you a comprehensive understanding of where it stands in the current smartphone market.

Xiaomi Redmi K40S video reviews

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Xiaomi Redmi K40S Reviews and Opinions

Rate this smartphone

3.40 / 5

(10)

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Xiaomi Redmi K40S Release Date

The Xiaomi Redmi K40S was officially announced and released on March 17, 2022. It is available in Black, Gray, Blue, Green.

Xiaomi Redmi K40S Price

The Xiaomi Redmi K40S starts at 260 EUR. Here are the prices for all storage versions:

Version	Price
128GB 6GB RAM	260 EUR
128GB 8GB RAM	260 EUR
256GB 8GB RAM	260 EUR
256GB 12GB RAM	260 EUR

A 512GB version of the Xiaomi Redmi K40S is not officially available — 256GB is the maximum storage option.

Frequently Asked Questions

How much does Xiaomi Redmi K40S cost?

The price of the Xiaomi Redmi K40S varies based on the specific model and storage capacity. As of the latest update, the base model starts at 260 EUR. Prices increase for models with larger storage capacity and additional features.

When did the Xiaomi Redmi K40S come out?

The Xiaomi Redmi K40S was released on March 17, 2022.

What is the size and weight of Xiaomi Redmi K40S ?

The Xiaomi Redmi K40S has dimensions of Height: 163.2 mm Width: 76 mm Thickness: 7.7 mm and weighs approximately 195 grams.

What is the screen size and resolution of Xiaomi Redmi K40S?

When measured as a standard rectangular shape, the screen is 6.67 inches diagonally offering a resolution of 1080 x 2400 px at a pixel density of 395 ppi.

How much memory and storage does a Xiaomi Redmi K40S have?

Device comes with chipset Qualcomm SM8250-AC Snapdragon 870 5G (7 nm) with processor Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585). Xiaomi Redmi K40S is available with internal memory of 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM.

What are the main camera specifications and megapixels of the Xiaomi Redmi K40S?

The device have a Triple rear camera setup with specs of 48 MP, f/1.8, (wide), 1/2'', 0.8µm, PDAF, OIS 8 MP, 119˚ (ultrawide) 2 MP, f/2.4, (macro) and features like Dual-LED dual-tone flash, HDR, panorama

What are the front camera specs and MP of the Xiaomi Redmi K40S?

The device comes with Single front camera setup with specs of 20 MP, (wide) and features like

What colors does the Xiaomi Redmi K40S come in?

The Xiaomi Redmi K40S is available in the following colors: Black, Gray, Blue, Green.

What is the AnTuTu score of the Xiaomi Redmi K40S?

The Xiaomi Redmi K40S scores 715894 points in AnTuTu 9.