Xiaomi Redmi K40
Network
Technology
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900 – SIM 1 & SIM 2
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
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
Dual SIM (Nano-SIM, dual stand-by)
Display
Type
Super AMOLED, 120Hz, HDR10+, 1300 nits (peak)
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
Platform
OS
Android 11, MIUI 12
Chipset
Qualcomm SM8250-AC Snapdragon 870 5G (7 nm)
CPU
Octa-core (1×3.2 GHz Kryo 585 & 3×2.42 GHz Kryo 585 & 4×1.80 GHz Kryo 585)
GPU
Adreno 650
Memory
Card slot
No
Internal
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
UFS 3.1
Main Camera
Triple
48 MP, f/1.8, 26mm (wide), 1/2.0″, 0.8µm, PDAF
8 MP, f/2.2, 119˚ (ultrawide)
5 MP, f/2.4, 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, f/2.5, (wide), 1/3.4″, 0.8µm
Features
HDR
Video
1080p@30fps, 720p@120fps
Sound
Loudspeaker
Yes, with stereo speakers
3.5mm jack
No
24-bit/192kHz Hi-Res audio
Comms
WLAN
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
Infrared port
Yes
Radio
No
USB
USB Type-C 2.0, OTG
Features
Sensors
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, color spectrum
Battery
Type
Li-Po 4520 mAh, non-removable
Charging
33W wired, PD3.0, QC3, 100% in 52 min (advertised)
Misc
Colors
Black, White, Aurora
Models
M2012K11AC
Price
About 280 EUR
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