Xiaomi Redmi K40S Specs, review, opinions, comparisons
Discover all the technical specs of the Xiaomi Redmi K40S - from its camera and display to performance and battery life.
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Xiaomi Redmi K40S is a 2022 smartphone. It measures 163.2 x 76 x 7.7 mm and weighs 195 g. It has a AMOLED display measuring 6.67" inches. The resolution is 1080 x 2400 and 395 ppi pixel density.
There is Single front camera with 20 MP. The main camera is Triple with 48 MP.
It runs on Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585) CPU with 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM memory. The battery is 4500 mAh.
Scroll down and discover all the features and specs this device has to offer.
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Xiaomi Redmi K40S specs
General specs
Brand and model |
Xiaomi Redmi K40S |
Release date |
2022, March 17 |
Dimensions |
163.2 x 76 x 7.7 mm (6.43 x 2.99 x 0.3 in) |
Weight
|
195 g (6.88 oz) |
Body build |
Glass front (Gorilla Glass 5), plastic back |
Colors |
Black, Gray, Blue, Green |
Battery |
4500 mAh, Li-Po, non-removable |
Approximate price | 260 EUR |
Screen
Technology |
AMOLED |
Touchscreen |
capacitive touchscreen |
Display colors |
16M |
Screen size |
6.67" inc |
Screen area |
107.4 cm2 |
Screen format |
20:9 (height:width) |
Screen to body ratio | 86.6% |
Screen resolution |
1080 x 2400 px |
PPI /points per inch/ |
395 PPI |
Screen protection |
Corning Gorilla Glass 5
|
Other |
- 120Hz
-HDR10+
-1300 nits (peak) |
Camera and Video
Rear camera, main |
48 MP,
Triple
|
Camera specs |
-48 MP, f/1.8, (wide), 1/2'', 0.8µm, PDAF, OIS
-8 MP, 119˚ (ultrawide)
-2 MP, f/2.4, (macro)
|
Functions |
Dual-LED dual-tone flash, HDR, panorama |
Video |
4K@30fps, 1080p@30/60/120fps, 720p@960fps; gyro-EIS |
Front camera, selfie |
20 MP,
Single |
Specifications |
20 MP, (wide)
|
Video |
1080p@30/120fps |
Operating system OS |
Android 12, MIUI 13 |
Chipset |
- Qualcomm SM8250-AC Snapdragon 870 5G (7 nm)
|
Processor CPU |
- Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585) |
Graphics processor GPU |
- Adreno 650 |
External memory |
No |
Internal memory |
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM |
Antutu 9 score | 715894 (Rank 255 of 1165) |
GeekBench 5 Single Core | 983 (Rank 160 of 1569) |
GeekBench 5 Multi-Core | 3362 (Rank 153 of 1564) |
Communication and Connectivity
SIM card |
Dual SIM (Nano-SIM, dual stand-by) |
Network |
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G |
Show all network frequencies:
-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
|
Speed |
HSPA 42.2/5.76 Mbps, LTE-A, 5G |
GPRS |
Yes |
Edge |
Yes |
Wi-Fi |
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot |
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 |
Bluetooth |
5.2, A2DP, LE |
Music and Audio
Radio |
No |
Headphone jack |
No |
Others |
- 24-bit/192kHz audio |
Other features
- Sensors - Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, color spectrum - Fast charging 67W, 100% in 38 min
-Power Delivery 3.0
-Quick Charge 3+ - Splash resistant |
Disclaimer: The information provided here is based on publicly available information and official specifications from Xiaomi. While every effort has been made to provide accurate and reliable information, readers should be aware that specifications are subject to change and updates from Xiaomi may not be reflected.
Xiaomi Redmi K40S Video review - click to play
Richard Taylor is a technology expert and journalist based in the UK. With a degree in Computer Science from the University of Birmingham, he provides insightful analysis and expert reviews of the latest smartphones and technology. His technical expertise, passion for technology and years of experience make him a trusted source in the industry.
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Frequently Asked Questions
The base approximate price of the Xiaomi Redmi K40S was around 260 EUR after it was officially announced. At this point, the price may be lower.
The official release date is 2022, March 17.
The weight of the Xiaomi Redmi K40S is 195 g.
The screen size of the Xiaomi Redmi K40S is 6.67" inches.
The size of the Xiaomi Redmi K40S is 163.2 x 76 x 7.7 mm (HxWxD).
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