Xiaomi Redmi K40 – Specs, Price, Release Date & Review

Name: Xiaomi Redmi K40
Brand: Xiaomi
Rating: 4.7 (20 reviews)

Added: 02.26.21 | Updated: 04.25.23

Model: Redmi K40
Brand: Xiaomi
Rating: 4.70 out of 5 (20 votes)
Price: 280 EUR
Year of manufacture: 2021
Dimensions: 163.7 x 76.4 x 7.8 mm
Weight: 196 g
Chipset: Qualcomm SM8250-AC Snapdragon 870 5G (7 nm)
Built-in memory: 128GB 6GB RAM
Screen: Super AMOLED 6.67 inches
Battery: 4520 mAh
Rear camera: Triple, 48MP
Front camera: Single, 20MP

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Xiaomi Redmi K40 specs

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Common

Brand and model	Xiaomi Redmi K40
Launch date	2021, February 25

Price

First price	280 EUR

Design

Height	6.44 in (163.7 mm)
Width	3.01 in ( 76.4 mm)
Depth	0.31 in ( 7.8 mm)
Weight	6.91 oz (196 grams)
Water resistant
Colors	Black, White, Aurora
Case	Buy a case from Amazon

Screen

Technology	Super 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)	85.9%
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 11, MIUI 12
User Interface

Main Camera

Number of Cameras	Triple
Specs	-48 MP, f/1.8, 26mm (wide), 1/2", 0.8µm, PDAF -8 MP, f/2.2, 119˚ (ultrawide) -5 MP, f/2.4, 50mm (macro), 1/5.0", 1.12µm
Features	LED flash, HDR, panorama
Video Recording	4K@30fps, 1080p@30/60/120/240/960fps, gyro-EIS

Selfie camera

Number of Cameras	Single
Specs	-20 MP, f/2.5, (wide), 1/3.4", 0.8µm
Features	HDR
Video Recording	1080p@30fps, 720p@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, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42 -5G - 1, 3, 28, 41, 77, 78 SA/NSA/Sub6
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	5.1, A2DP, LE
GPS	Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS, NavIC
NFC	Yes
USB	USB Type-C 2.0, USB On-The-Go

Battery

Capacity	4520 mAh
Type	Li-Po, non-removable
Charging	-Fast charging 33W, 100% in 52 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 , Infrared blaster

Other specifications

Others

Xiaomi Redmi K40 AnTuTu & Geekbench Scores

The Xiaomi Redmi K40 scores 722021 points in AnTuTu 9, powered by the Qualcomm SM8250-AC Snapdragon 870 5G (7 nm) chipset.

Antutu Score

Antutu 9 Score	722021 (Position 252 out of 1347)

Antutu 9 Ranking
246. vivo iQOO Neo6 SE	725347
247. Xiaomi Black Shark 5	725334
248. Apple iPhone SE3 (2022)	723852
249. Motorola Edge S Pro	722867
250. Motorola Edge 20 Pro	722547
251. Xiaomi Mi 11X	722371
252. Xiaomi Redmi K40	722021
253. Realme GT Neo 3T	721734
254. vivo iQOO Neo5 S	721719
255. Realme Q5 Pro	721321
256. Realme GT Neo2	721237
257. vivo X70	720907
258. Meizu 18x	720879

Geekbench Score

GeekBench 6 Single Core	1177 (Position 96 out of 578)
GeekBench 6 Multi Core	3053 (Position 116 out of 577)
GeekBench 6 Vulkan	3126 (Position 104 out of 282)
GeekBench 6 OpenCL	2911 (Position 93 out of 325)
GeekBench 5 Single Core	917 (Position 287 out of 1884)
GeekBench 5 Multi-Core	3083 (Position 285 out of 1873)

GeekBench 6 Single Core Ranking
90. OnePlus 9RT	1207
91. Xiaomi Black Shark 3	1199
92. Huawei Mate 40 Pro+	1191
93. Asus ROG Phone 3	1187
94. Xiaomi Mi 11 Ultra	1184
95. Huawei Mate 40 Pro	1179
96. Xiaomi Redmi K40	1177
97. Asus ROG Phone 5 Ultimate	1173
98. Xiaomi Mi 11	1173
99. Samsung Galaxy A55 5G	1172
100. Xiaomi Black Shark 3 Pro	1165
101. Huawei P50 Pro	1162
102. Asus ROG Phone 5	1161

GeekBench 6 Multi Core Ranking
110. OnePlus 8	3076
111. Google Pixel 6 Pro	3071
112. OnePlus 9R	3070
113. Realme GT Neo2T	3067
114. Realme GT Neo2	3064
115. Asus ROG Phone 5 Ultimate	3062
116. Xiaomi Redmi K40	3053
117. Xiaomi 11T	3048
118. Google Pixel 6a	3038
119. Xiaomi Poco F3	3036
120. vivo iQOO Z7 (China)	3025
121. Asus ROG Phone 5	3021
122. Realme GT Neo Flash	3015

GeekBench 5 Single Core Ranking
281. vivo X70t	922
282. vivo iQOO Neo5 SE	922
283. Asus ROG Phone 5s	921
284. vivo iQOO Neo5 Lite	921
285. Asus Zenfone 7 ZS670KS	920
286. OnePlus Nord 3	918
287. Xiaomi Redmi K40	917
288. Huawei Mate 40	914
289. vivo Y23 Pro	913
290. vivo V23 Pro	913
291. vivo V25 Pro	911
292. Xiaomi Black Shark 3	911
293. Apple iPhone X	910

GeekBench 5 Multi Core Ranking
279. Xiaomi 12 Lite NE	3099
280. Xiaomi 13 Lite	3097
281. Xiaomi Civi 2	3097
282. Samsung Galaxy S20 Ultra 5G	3096
283. Oppo Reno9	3089
284. Asus ROG Phone 5s	3087
285. Xiaomi Redmi K40	3083
286. Xiaomi Poco F3	3075
287. Huawei Mate 30 Pro 5G	3074
288. Xiaomi Poco M6 Pro 5G	3069
289. Xiaomi Redmi Note 12R	3069
290. Samsung Galaxy S21 5G	3061
291. OnePlus Nord 3	3058

Compared to its rivals: the Xiaomi Redmi K40 Gaming scores 706010 points in AnTuTu , and the OnePlus 9 scores 869721 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 K40S

Xiaomi Redmi Note 8 Pro

Xiaomi Mi 10 5G

This model is often compared with:

Description of the Xiaomi Redmi K40 Specs

The Xiaomi Redmi K40 is a feature-packed smartphone released on February 25, 2021. It boasts a variety of network technologies, including GSM, CDMA, HSPA, CDMA2000, LTE, and 5G, ensuring extensive coverage and high-speed connectivity across different bands. It comes with a dual SIM setup, allowing users to use two SIM cards simultaneously. Encased in a slim profile measuring 163.7 x 76.4 x 7.8 mm and weighing 196 grams, this phone features a striking Super AMOLED screen that is 6.67 inches in size, delivering a resolution of 1080 x 2400 pixels with a high refresh rate of 120Hz, HDR10+ support, and a peak brightness of 1300 nits for outstanding visibility.

Xiaomi Redmi K40 video reviews

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Xiaomi Redmi K40 Reviews and Opinions

Rate this smartphone

4.70 / 5

(20)

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Xiaomi Redmi K40 Release Date

The Xiaomi Redmi K40 was officially announced and released on February 25, 2021. It is available in Black, White, Aurora.

Xiaomi Redmi K40 Price

The Xiaomi Redmi K40 starts at 280 EUR. Here are the prices for all storage versions:

Version	Price
128GB 6GB RAM	280 EUR
128GB 8GB RAM	280 EUR
256GB 8GB RAM	280 EUR
256GB 12GB RAM	280 EUR

A 512GB version of the Xiaomi Redmi K40 is not officially available — 256GB is the maximum storage option.

Frequently Asked Questions

How much does Xiaomi Redmi K40 cost?

The price of the Xiaomi Redmi K40 varies based on the specific model and storage capacity. As of the latest update, the base model starts at 280 EUR. Prices increase for models with larger storage capacity and additional features.

When did the Xiaomi Redmi K40 come out?

The Xiaomi Redmi K40 was released on February 25, 2021.

What is the size and weight of Xiaomi Redmi K40 ?

The Xiaomi Redmi K40 has dimensions of Height: 163.7 mm Width: 76.4 mm Thickness: 7.8 mm and weighs approximately 196 grams.

What is the screen size and resolution of Xiaomi Redmi K40?

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 K40 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 K40 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 K40?

The device have a Triple rear camera setup with specs of 48 MP, f/1.8, 26mm (wide), 1/2", 0.8µm, PDAF 8 MP, f/2.2, 119˚ (ultrawide) 5 MP, f/2.4, 50mm (macro), 1/5.0", 1.12µm and features like LED flash, HDR, panorama

What are the front camera specs and MP of the Xiaomi Redmi K40?

The device comes with Single front camera setup with specs of 20 MP, f/2.5, (wide), 1/3.4", 0.8µm and features like HDR

What colors does the Xiaomi Redmi K40 come in?

The Xiaomi Redmi K40 is available in the following colors: Black, White, Aurora.

What is the AnTuTu score of the Xiaomi Redmi K40?

The Xiaomi Redmi K40 scores 722021 points in AnTuTu 9.