Xiaomi
Xiaomi Redmi K40S
Experience cutting-edge technology with premium design and powerful performance.
📅 Available. Released 2022, March 17
🤖 Android 12, MIUI 13
💾 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
Network & Connectivity
Technology
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
2 G bands
GSM 850 / 900 / 1800 / 1900
3 G bands
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4 G bands
1, 2, 3, 4, 5, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42
5 G bands
1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
Speed
HSPA, LTE, 5G
Display & Screen
Type
AMOLED, 120Hz, HDR10+, 1300 nits (peak)
Size
6.67 inches, 107.4 cm 2 (~86.6% screen-to-body ratio)
Resolution
1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
Protection
Corning Gorilla Glass 5
Platform & Performance
O S
Android 12, MIUI 13
Chipset
Qualcomm SM8250-AC Snapdragon 870 5G (7 nm)
C P U
Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585)
G P U
Adreno 650
Memory & Storage
Card slot
No
Internal
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
Main Camera
Triple
48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF, OIS | 8 MP, 119˚ (ultrawide) | 2 MP, f/2.4, (macro)
Features
Color spectrum sensor, Dual-LED dual-tone flash, HDR, panorama
Video
4K@30fps, 1080p@30/60/120fps, 720p@960fps; gyro-EIS
Modules
48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF, OIS | 8 MP, 119˚ (ultrawide) | 2 MP, f/2.4, (macro)
Selfie Camera
Single
20 MP, (wide)
Video
1080p@30/120fps
Modules
20 MP, (wide)
Battery & Charging
Type
Li-Po 4500 mAh
Charging
67W wired, PD3.0, QC3, 100% in 38 min
Features & Sensors
Sensors
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Audio & Sound
Loudspeaker
Yes, with stereo speakers
3.5mm jack
No
Build & Design
Dimensions
163.2 x 76 x 7.7 mm (6.43 x 2.99 x 0.30 in)
Weight
195 g (6.88 oz)
Build
Glass front (Gorilla Glass 5), plastic back
S I M
Nano-SIM + Nano-SIM
Communication
W L A N
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Bluetooth
5.2, A2DP, LE
Positioning
GPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)
N F C
Yes
Radio
No
U S B
USB Type-C 2.0, OTG
Launch Information
Announced
2022, March 17
Status
Available. Released 2022, March 17
Miscellaneous
Colors
Black, Gray, Blue, Green