Xiaomi Redmi K40
The mobile phone was announced in february 2021 and arrived at shops after few days. Now you can buy Xiaomi Redmi K40 after comparing prices in 5 stores. Sunsky and GearBest are recommended by our users stores. Xiaomi Redmi K40 price now between 330$ and 500$. This mobile phone has Qualcomm Snapdragon 870 chipset with 6GB of LPDDR5 memory and 128GB of internal storage. Also the device is equipped with e4 amoled 6.7" screen and 4520mAh li-polymer battery.
Raiting
| Camera | 7.83 |
| Battery | 7.06 |
| Performance | 8.41 |
| Connectivity | 7.29 |
| Screen | 9.37 |
| Design | 9.36 |
| OS | 0 |
| Brand | 9.34 |
Price comparison
Specifications
Overall details
Brand . . . . . . . . . . . . . . . . . . . . . . . . . .
Official website . . . . . . . . . . . . . . . . . . . . . . . . . .
Model . . . . . . . . . . . . . . . . . . . . . . . . . .
Redmi K40
Other Names . . . . . . . . . . . . . . . . . . . . . . . . . .
M2012K11AC
Os . . . . . . . . . . . . . . . . . . . . . . . . . .
MIUI 12.2 (Android 11)
Chipset
Soc . . . . . . . . . . . . . . . . . . . . . . . . . .
Qualcomm Snapdragon 870
Cpu . . . . . . . . . . . . . . . . . . . . . . . . . .
1x 3.2 GHz Kryo 585
3x 2.4 GHz Kryo 585
4x 1.8 GHz Kryo 385, 8 Cores, 64 Bits, 3200 MHz
3x 2.4 GHz Kryo 585
4x 1.8 GHz Kryo 385, 8 Cores, 64 Bits, 3200 MHz
CPU Technology . . . . . . . . . . . . . . . . . . . . . . . . . .
7 nm
Gpu . . . . . . . . . . . . . . . . . . . . . . . . . .
Qualcomm Adreno 650,
AnTuTu . . . . . . . . . . . . . . . . . . . . . . . . . .
3DMark . . . . . . . . . . . . . . . . . . . . . . . . . .
149020
Memory
Ram . . . . . . . . . . . . . . . . . . . . . . . . . .
6 gigabyte, 2750 MHz, LPDDR5, Double channel
Rom . . . . . . . . . . . . . . . . . . . . . . . . . .
128 gigabyte
Battery
Capacity . . . . . . . . . . . . . . . . . . . . . . . . . .
4520 mAh
Battery Type . . . . . . . . . . . . . . . . . . . . . . . . . .
Li-Polymer
Charging Voltage . . . . . . . . . . . . . . . . . . . . . . . . . .
5 Volt
Charging Amperage . . . . . . . . . . . . . . . . . . . . . . . . . .
6.6 Amper
Main Camera
Sensor Model . . . . . . . . . . . . . . . . . . . . . . . . . .
Sony IMX582 Exmor RS
Sensor Type . . . . . . . . . . . . . . . . . . . . . . . . . .
CMOS BSI (backside illumination)
Aperture . . . . . . . . . . . . . . . . . . . . . . . . . .
f/1.7
Flash . . . . . . . . . . . . . . . . . . . . . . . . . .
Dual LED
Image Resolution . . . . . . . . . . . . . . . . . . . . . . . . . .
48 Megapixels
Video Resolution . . . . . . . . . . . . . . . . . . . . . . . . . .
8.28 Megapixels
Video Frequency . . . . . . . . . . . . . . . . . . . . . . . . . .
30 fps
Secondary camera resolution . . . . . . . . . . . . . . . . . . . . . . . . . .
8 Megapixels
Front Camera
Video Resolution . . . . . . . . . . . . . . . . . . . . . . . . . .
2.06 Megapixels
Video Frequency . . . . . . . . . . . . . . . . . . . . . . . . . .
30 fps
Features
Autofocus
Continuous shooting
Digital zoom
Digital image stabilization
Optical image stabilization
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Phase detection autofocus (PDAF)
Pixel size - 1.6 μm (4-in-1 pixel binning)
1080p @ 960 fps
Secondary rear camera - 8 MP (ultra-wide angle)
Aperture size - f/2.4 (#2)
Amgle of view - 119° (#2)
Third rear camera - 5 MP (macro)
Sensor size - 1/5 (#4)
Pixel size - 1.12 μm (#4)
Aperture size - f/2.4 (#4)
Focal length equivalent - 50 mm (#4)
4 cm shooting distance (#4)
Autofocus (#4)
Display
Display Type . . . . . . . . . . . . . . . . . . . . . . . . . .
E4 AMOLED
Display Size . . . . . . . . . . . . . . . . . . . . . . . . . .
6.67 Inch
Display Resolution . . . . . . . . . . . . . . . . . . . . . . . . . .
1080 x 2400 Pixels
Display Density . . . . . . . . . . . . . . . . . . . . . . . . . .
395 PPI
Display Features . . . . . . . . . . . . . . . . . . . . . . . . . .
Capacitive, Multi-touch, Scratch resistant, 3D curved glass screen, Corning Gorilla Glass 5, 120 Hz refresh rate, 360 Hz touch sampling rate, HDR10+, 1300 cd/m² peak brightness, 5000000:1, MEMC, Sunscreen 3.0, Night Light Screen, Display manufacturer - Samsung
Design
Size . . . . . . . . . . . . . . . . . . . . . . . . . .
76.4 mm x 163.69 mm x 7.8 mm
Weight . . . . . . . . . . . . . . . . . . . . . . . . . .
196 gram
Colors . . . . . . . . . . . . . . . . . . . . . . . . . .
Icy White, Glossy Black, Dreamland
Materials . . . . . . . . . . . . . . . . . . . . . . . . . .
Glass, Metal
Display Area . . . . . . . . . . . . . . . . . . . . . . . . . .
86.16%
Speaker
Speaker . . . . . . . . . . . . . . . . . . . . . . . . . .
Loudspeaker
Earpiece
Stereo speakers
Dolby Atnation
Hi-Res Audio
Hi-Res Audio Wireless
Earpiece
Stereo speakers
Dolby Atnation
Hi-Res Audio
Hi-Res Audio Wireless
Sensors
Functionality . . . . . . . . . . . . . . . . . . . . . . . . . .
Light, Accelerometer, Compass, Gyroscope, Pedometer, Geomagnetic, Fingerprint, Gravity, Color temperature sensor, Ultrasonic distance sensor, Side-mounted fingerprint sensor, X-axis linear motor
Navigation . . . . . . . . . . . . . . . . . . . . . . . . . .
GPS, A-GPS, BeiDou, Glonass, Galileo, NavIC
Communication
Sim Card Number . . . . . . . . . . . . . . . . . . . . . . . . . .
2 Sim cards
Sim Card Type . . . . . . . . . . . . . . . . . . . . . . . . . .
Nano-SIM (4FF - fourth form factor
since 2012
12.30 x 8.80 x 0.67 mm)
Nano-SIM / microSD
since 2012
12.30 x 8.80 x 0.67 mm)
Nano-SIM / microSD
2G . . . . . . . . . . . . . . . . . . . . . . . . . .
GSM 850 MHz (B5), GSM 900 MHz (B8), GSM 1800 MHz (B3), GSM 1900 MHz (B2)
Sim Card Features . . . . . . . . . . . . . . . . . . . . . . . . . .
Dual SIM stand-by (Both cards are active. When one is busy, the other is not active)
3G . . . . . . . . . . . . . . . . . . . . . . . . . .
W-CDMA 850 MHz (B5), W-CDMA 850 MHz (B6), W-CDMA 900 MHz (B8), W-CDMA 900 MHz (B19), W-CDMA 1700 MHz (B4), W-CDMA 1900 MHz (B2), W-CDMA 2100 MHz (B1)
4G . . . . . . . . . . . . . . . . . . . . . . . . . .
LTE-FDD 700 MHz (B28), LTE-FDD 850 MHz (B5), LTE-FDD 850 MHz (B18), LTE-FDD 850 MHz (B19), LTE-FDD 850 MHz (B26), LTE-FDD 900 MHz (B8), LTE-FDD 1700 MHz (B4), LTE-FDD 1800 MHz (B3), LTE-FDD 1900 MHz (B2), LTE-FDD 2100 MHz (B1), LTE-FDD 2600 MHz (B7), LTE-TDD 1900 MHz (B39), LTE-TDD 2000 MHz (B34), LTE-TDD 2300 MHz (B40), LTE-TDD 2500 MHz (B41), LTE-TDD 2600 MHz (B38)
Data Transfer . . . . . . . . . . . . . . . . . . . . . . . . . .
Computer sync, Infrared, Tethering, NFC, VoLTE
Mobile operators - United States
4 | 9
0 | 2
4 | 9
0 | 2
2 | 9
4 | 9
2 | 9
0 | 2
2 | 9
1 | 6
0 | 4
0 | 4
2 | 9
2 | 9
4 | 11
1 | 7
0 | 4
0 | 4
0 | 4
Connection
USB Type . . . . . . . . . . . . . . . . . . . . . . . . . .
USB Type-C, Version: 2.0
USB Futures . . . . . . . . . . . . . . . . . . . . . . . . . .
Charging, Host, Mass storage, On-The-Go
Bluetooth Version . . . . . . . . . . . . . . . . . . . . . . . . . .
5.1
Bluetooth Features . . . . . . . . . . . . . . . . . . . . . . . . . .
A2DP (Advanced Audio Distribution Profile), LE (Low Energy)
Wi Fi . . . . . . . . . . . . . . . . . . . . . . . . . .
802.11a (IEEE 802.11a-1999), 802.11b (IEEE 802.11b-1999), 802.11g (IEEE 802.11g-2003), 802.11n (IEEE 802.11n-2009), 802.11n 5GHz, 802.11ac (IEEE 802.11ac), Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, 802.11ax