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Xiaomi Redmi K40

03 / 2021

196g, thickness 7.8mm

Android 11

128/256GB ROM

Snapdragon 870 5G

6/8/12GB RAM

6.67"

2400x1080 pix.

48MP

2160p@30

4520 mAh

fast charging

Characteristics

Other names

Versions

M2012K11AC

Release date

03 / 2021

price

at the time of release

406 USD

Network

2G, 3G, 4G, 5Gmore ↓

Body

Dimensions	163.7 x 76.4 x 7.8 mm
Weight	196 g
material front, bottom, frame	Gorilla Glass 5, Gorilla Glass 5, metal
d/m proof
Connectors	USB Type-C
Slots	2 SIM (Nano-SIM)
Fingerprint	side-mounted
Features

Display

Type	Super AMOLED, 120Hz
Size	6.67", 107.4cm² (~85.9% screen-to-body ratio)
Resolution	2400x1080
PPI	395
Ratio	20:9
Brigh. / contrast
Features	HDR10+
Second display

Platform

OS	Android 11
SoC	Qualcomm Snapdragon 870 5G
CPU	1x3.2GHz Cortex-A77 3x2.42GHz Cortex-A77 4x1.8GHz Cortex-A55
GPU	Adreno 650, 670MHz

Memory

RAM / ROM	6/128, 8/128, 8/256, 12/256 GB
Memory card	no
Features	ROM UFS 3.1

Main Camera

Camera	Triple • 48MP, f/1.8, 26mm (wide), 0.8µm, PDAF • 8MP, f/2.2 (ultrawide) • 5MP, f/2.4, 50mm (macro), 1/5.0", 1.12µm
Video	1080p - 960fps 2160p - 30fps
Features	• LED flash • Panorama • High Dynamic Range (HDR) • Gyro-EIS • Сolor spectrum

Selfie Camera

Camera	Single • 20MP, f/2.5, 1/3.4", 0.8µm
Video	720p - 120fps 1080p - 30fps
Features	• High Dynamic Range (HDR)

Technologies

Sensors	gyro, accelerometer, proximity, compass
Wi-Fi	IEEE 802.11 a/b/g/n/ac
Bluetooth	v 5.1
GPS	GPS, A-GPS, GLONASS, Galileo, BDS, QZSS, NavIC
Additionally	NFC USB OTG Infrared port
	Wi-Fi dual-band Wi-Fi Direct Wi-Fi hotspot Bluetooth LE Bluetooth aptX Bluetooth A2DP

Sound

Loudspeakers	2
Loudness (decibel)
3.5mm jack	no
Features	24-bit / 192kHz sound

Battery

Capacity	4520 mAh
Type	Li-Po, non-removable
Battery life (hours)
Сable сharging	USB Type-C, 33W
Wireless charg.	no
Features	• Fast cable charging • USB Power Delivery 3 • Quick Charge 3

Compare with another device

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(Qualcomm Snapdragon 870 5G)

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Performance

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