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Xiaomi Redmi K40 12GB · 256GB smartphone
8.5
| Screen size | 6.67 " |
| RAM | 12 GB |
| Storage space | 256 GB |
| Primary camera resolution | 48 Mpx |
| Selfie camera resolution | 20 Mpx |
| Battery capacity | 4 520 mAh |
| Antutu score | 722 864 |
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Smartphones Xiaomi Redmi K40
| Release Date | February 2021 |
| Availability | On sale |
| Brand | Xiaomi |
| Model | Redmi K40 |
Design & Screen
| Color | Black, White, Blue |
| Body materials | Plastic Glass Splash resistant design |
| Size | 76.4 x 163.7 x 7.8 mm (millimeters) 3.01 x 6.44 x 0.31 " (inches) |
| Weight | 196 g (grams) 6.91 oz (ounces) |
Screen
| Screen size | 6.67 " (inches) 169.4 mm (millimeters) |
| Display area | 85 % |
| Resolution | 1080x2400 px |
| Pixel density | 2x eXtra High density 386 ppi (pixels per inch) 151 ppcm (pixels per centimetre) |
| Features | Refresh rate 120 Hz Hole-punch Notch Peak brightness - 1300 cd/m² Touch sampling rate 360 Hz 5000000:1 contrast ratio Max brightness HBM - 900 cd/m² DCI-P3 HDR10+ MEMC True Tone display 2.5D curved glass screen Scratch resistant Capacitive Corning Gorilla Glass 5 Frameless Multi-touch |
Camera
Front camera
| Selfie camera resolution | 20 Mpx (3 000 x 6 667) |
| Aperture | f/0 |
Main camera
| Primary camera resolution | 48 Mpx (4 648 x 10 327) |
| Flash type | Dual LED More smartphones with Dual LED flash type |
| Sensor | Sony IMX582 Exmor RS More smartphones with Sony IMX582 Exmor RS camera sensor |
| Sensor type | CMOS |
| Aperture | f/1.79 |
| Slow motion video | 960 fps (frames per second) |
| Features | Digital zoom 4K Video Digital image stabilization Triple camera Manual focus Touch focus HDR Autofocus White balance settings Continuous shooting Exposure compensation ISO settings Self-timer Scene mode Geotagging Panorama Face Detection |
Others features
| Triple main camera | Yes |
Device Hardware
Processing unit
| Processor family | Qualcomm |
| SoC (Model) | Qualcomm Snapdragon 870 More smartphones with Qualcomm Snapdragon 870 processor |
| 64 Bits | Yes |
| CPU | 1x Cortex•A77 3.20GHz combined with 3x Cortex•A77 2.4GHz combined with 4xCortex•A55 1.8GHz |
| CPU type | UFS Storage 3.1 |
| Frequency | 3.2 GHz (gigahertz) 3200 MHz (megahertz) |
| Antutu score | 722864 |
| Antutu version | 9 |
Graphics & Memory
| GPU | Qualcomm Adreno 650 |
| RAM | 12 GB (gigabytes) More smartphones with 8 GB or more RAM |
Storage
| Storage space | 256 GB (gigabytes) ca. equivalent to 46545 Songs 102400 Photos 853 Movies More smartphones with 256 GB and more internal storage |
| SD card slot | No |
Sensors
| Fingerprint | Yes |
| Fingerprint place | On the side |
| Barometer | No |
| Compass | Yes |
| Gyroscope | Yes |
| Hall | No |
| Light | Yes |
| Proximity sensing | Yes |
Software
| Operating system | Android 12 |
Battery
| Battery capacity | 4520 mAh |
| Type | Li-Ion |
| Removable battery | No |
Connectivity
Mobile networks
| 4G | 1900, 2100, 1700/2100 AWS 1, 1800, 2600, 850, 800, 900, 700, 2500, 2300, 3500 |
| 3G | 1900, 2100, 850, 1700/2100 AWS A-F, 900, 800 |
| 2G | 1900, 800, 850, 1800, 900 |
SIM card
| SIM card form | Nano SIM + Nano SIM |
Wi-Fi
| IEEE Standards | 802.11a 802.11n 802.11g 802.11b 802.11ac |
| Wi-Fi features | Dual band WiFi Hotspot WiFi Direct WiFi Display WiFi MiMO |
Bluetooth
| Bluetooth version | 5.1 LE |
| Bluetooth features |
Navigation
| Navigation supports | GPS |
USB
| USB Battery Charging | Yes |
| USB OTG | Yes |
| USB Type C | Yes |
Others features
| 3.5 mm jack | No |
| NFC | No |
| Infrared | No |
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