General
- Brand Xiaomi
- Model Redmi K40
- Device Smartphones
- Added July 31, 2020
- Updated May 15, 2024
Launch
- Announced 2021, February 25
- Status Available. Released 2021, March 04
Network
- Technology GSM / CDMA / HSPA / EVDO / LTE / 5G
- 2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA
- 3G bands HSDPA 850 / 900 / 2100 CDMA2000 1xEV-DO
- 4G bands LTE band 1(2100), 3(1800), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
- 5G bands 5G band 1(2100), 3(1800), 41(2500), 78(3500), 79(4700); SA/NSA
- Speed HSPA 42.2/5.76 Mbps, LTE-A; 5G
- GPRS Yes
- EDGE Yes
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 Dual SIM (Nano-SIM, dual stand-by)
Display
- Type Super AMOLED capacitive touchscreen, 16M colors
- Size 6.67 inches, 107.4 cm2 (~85.9% screen-to-body ratio)
- Resolution 1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
- Protection Corning Gorilla Glass 5
- Features 120Hz, HDR10+, 1300 nits (peak)
Platform
- OS Android 11, MIUI 12.2
- 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 128/256 GB UFS 3.1
- RAM 6/8/12 GB
Main camera
- Triple 48 MP, f/1.8, 26mm (wide), 1/2", 0.8µm, PDAF 8 MP, f/2.2, 119˚ (ultrawide) 5 MP, 50mm (macro), 1/5.0", 1.12µm
- Features LED flash, HDR, panorama
- Video 4K@30fps, 1080p@30/60/120/240/960fps, gyro-EIS
Selfie camera
- Single 20 MP, (wide), 1/3.4", 0.8µm
- Features HDR
- Video 1080p@30fps, 720p@120fps
Sound
- Alert types Vibration, MP3, WAV ringtones
- Loudspeaker Yes, with stereo speakers
- 3.5mm jack No 24-bit/192kHz audio
Connectivity
- WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
- Bluetooth 5.0, A2DP, LE, aptX HD
- GPS Yes, with A-GPS, GLONASS, GALILEO, BDS
- NFC Yes
- FM radio No
- USB USB Type-C 2.0, USB On-The-Go
Features
- Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, color spectrum
- Messaging SMS(threaded view), MMS, Email, Push Email, IM
- Browser HTML5
- Java No
Battery
- Type Non-removable Li-Po
- Capacity 4520 mAh
- Charging Fast charging 33W, 100% in 52 min (advertised) Power Delivery 3.0 Quick Charge 3+
More
- Made by China
- Color Black, White, Aurora
- Models M2012K11AC, M2011K2C
Prices
- Unofficial 8GB 256GB ৳36,500