Display
6.67 inches
Super AMOLED, 120Hz
Battery
4520
mAh
RAM
6GB/8GB/12GB
Camera
48 MP
Triple
Pros
- Powerful Snapdragon 870 5G chipset.
- Stunning Super AMOLED display with 120Hz refresh rate.
- Supports 33W fast charging.
- High-resolution 20 MP selfie camera.
- Stereo speakers with Hi-Res audio support.
Cons
- No 3.5mm headphone jack.
- No microSD card slot for expandable storage.
- The battery is smaller than some competitors.
| General | |
|---|---|
| Brand | Xiaomi |
| Model | Redmi K40 |
| Colour | Black, White, Aurora |
| Models | M2012K11AC |
| Launch | |
| Announced | 2021, February 25 |
| Status | Available. Released 2021, March 04 |
| Network | |
| Technology | GSM / CDMA / HSPA / CDMA2000 / LTE / 5G |
| 2G bands | GSM 850 / 900 / 1800 / 1900, CDMA 800 |
| 3G bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100, CDMA2000 1x |
| 4G bands | 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42 |
| 5G bands | 1, 3, 28, 41, 77, 78 SA/NSA/Sub6 |
| Speed | HSPA, LTE, 5G |
| 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) |
| Size | 6.67 inches, 107.4 cm$^*$ (~85.9$*$ screen-to-body ratio) |
| Resolution | 1080 x 2400 pixels, 20:9 ratio (~395 ppi density) |
| 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 |
| Variant |
|
| Primary Camera | |
| Triple |
|
| Video | 4K*30fps, 1080p*30/60/120/240/960fps, gyro-EIS |
| Selfie Camera | |
| Single | 20 MP, f/2.5, (wide), 1/3.4", 0.8µm |
| Video | 1080p*30fps, 720p*120fps |
| Communication | |
| Wifi | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct |
| Bluetooth | 5.1, A2DP, LE |
| Positioning | GPS (L1+L5), GLONASS (G1), BDS (B1I+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC |
| NFC | Yes |
| Radio | No |
| Infrared port | Yes |
| USB | USB Type-C 2.0, OTG |
| Sound | |
| Loudspeaker | Yes, with stereo speakers |
| 3.5mm jack | No |
| Audio | 24-bit/192kHz Hi-Res audio |
| Battery | |
| Type | Li-Po 4520 mAh |
| Charging | 33W wired, PD3.0, QC3, 100% in 52 min |
| Features | |
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
| Price | |
| Price | About 280 EUR |
Frequently Asked Questions
The Xiaomi Redmi K40 is powered by the Qualcomm Snapdragon 870 5G chipset.
No, the Xiaomi Redmi K40 does not have a 3.5mm headphone jack.
The device features a Super AMOLED, 120Hz display.
The Xiaomi Redmi K40 supports 33W wired charging and can charge to 100% in 52 minutes.
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