Key Specifications
- Display: 6.67 inches, 107.4 cm2 (~85.9% screen-to-body ratio) screen for immersive viewing experience
- Camera: 48 MP camera system for high-quality photography
- Performance: 6-12 RAM for smooth multitasking
- Storage: 128GB/256GB storage, no card slot internal storage for apps and media
- Battery: 4520 mAh battery for all-day usage
Network
| Technology | GSM / CDMA / HSPA / CDMA2000 / LTE / 5G |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 |
| 3G Bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Bands | 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42 |
| Speed | HSPA, LTE, 5G |
Launch
| Announced | 2021, February 25 |
| Status | Available. Released 2021, March 04 |
Body
| Dimensions | 163.7 x 76.4 x 7.8 mm (6.44 x 3.01 x 0.31 in) |
| Weight | 196 g (6.91 oz) |
| SIM | Nano-SIM + Nano-SIM |
Display
| Type | Super AMOLED, 120Hz, HDR10+, 1300 nits (peak) |
| Protection | Corning Gorilla Glass 5 |
Platform
| OS | Android 11, MIUI 12 |
| 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
| Card Slot | No |
| Internal | 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM |
Sound
| Loud Speaker | Yes, with stereo speakers |
Comms
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct |
| Blutooth | 5.1, A2DP, LE |
| Positioning | GPS (L1+L5), GLONASS (G1), BDS (B1I+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC |
| NFC | Yes |
| Infrared Port | Yes |
| Radio | No |
| USB | USB Type-C 2.0, OTG |
Battery
| Type | Li-Po 4520 mAh |
Features
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
MISC
| Colors | Black, White, Aurora |
| Models | M2012K11AC |
| Disclaimer: We cannot guarantee that the information on this page is 100% correct. |
FAQs
This device doesn't have an official waterproof rating.
Yes, this device supports 5G networks in USA.
Redmi K40 comes with Android 11, MIUI 12 out of the box.
No, this device doesn't support wireless charging.
The Redmi K40 features a 4520 mAh battery capacity.
The Redmi K40 comes with a 48 MP main camera.
The Redmi K40 features a 6.67 inches, 107.4 cm2 (~85.9% screen-to-body ratio) display. With 1080 x 2400 pixels, 20:9 ratio (~395 ppi density) resolution for crisp and clear visuals. The Super AMOLED, 120Hz, HDR10+, 1300 nits (peak) technology ensures vibrant colors and excellent viewing angles.
The Redmi K40 is equipped with 6-12 RAM for smooth multitasking and performance. Combined with the Qualcomm SM8250-AC Snapdragon 870 5G (7 nm) processor, it delivers excellent performance for daily tasks and gaming.
About Redmi K40
The Redmi K40 by Xiaomi was released in Released 2021, March 04 and represents a significant addition to the smartphone market. Featuring a 6.67 inches, 107.4 cm2 (~85.9% screen-to-body ratio) display, a 48 MP camera system, 6-12 of RAM, and 128GB/256GB storage, no card slot of storage, and a 4520 mAh battery, this device offers a compelling combination of features for modern smartphone users.
Powered by the Qualcomm SM8250-AC Snapdragon 870 5G (7 nm) processor, the device is equipped with a 4520 mAh battery This combination ensures reliable performance and extended battery life for daily use.
Expert Analysis
Our team of mobile technology experts has analyzed the Redmi K40 specifications to help you understand how this device compares to other smartphones in its category. This comprehensive guide provides detailed insights into the phone's capabilities, performance potential, and suitability for different use cases.
Key Highlights
- Display: 6.67 inches, 107.4 cm2 (~85.9% screen-to-body ratio) screen for immersive viewing experience
- Camera: 48 MP camera system for high-quality photography
- Performance: 6-12 RAM for smooth multitasking
- Storage: 128GB/256GB storage, no card slot internal storage for apps and media
- Battery: 4520 mAh battery for all-day usage
Who Should Consider This Phone?
The Redmi K40 is ideal for users who prioritize high-quality photography, ample storage, and reliable battery life. Whether you're a casual user, content creator, or business professional, this device offers the features you need for modern smartphone usage.
Why Choose Redmi K40?
The Redmi K40 stands out in the competitive smartphone market with its impressive 6.67 inches, 107.4 cm2 (~85.9% screen-to-body ratio) display, advanced 48 camera system, and powerful Qualcomm SM8250-AC Snapdragon 870 5G (7 nm) processor. This combination makes it an excellent choice for users seeking a reliable, feature-rich smartphone.
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