| Brand: | Xiaomi |
| Model: | Redmi K40S |
| Type: | Smartphone |
| Release Date: | 2022 |
| Size: | 6.67 inches, 107.4 cm2 |
| Resolution: | 1080 x 2400 pixels, 20:9 ratio (~395 ppi density) |
| Technology: | AMOLED, 120Hz, HDR10+, 1300 nits (peak) |
| Refresh Rate: | 120 Hz |
| Brightness: | 1300 nits |
| Protection: | Corning Gorilla Glass 5 |
| Main Specs: | 48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF, OIS 8 MP, 119˚ (ultrawide) 2 MP (macro) |
| Main Features: | Color spectrum sensor, Dual-LED dual-tone flash, HDR, panorama |
| Main Video: | 4K@30fps, 1080p@30/60/120fps, 720p@960fps; gyro-EIS |
| Selfie Specs: | 20 MP, (wide) |
| Selfie Video: | 1080p@30/120fps |
| Capacity: | 4500 mAh |
| Type: | Li-Po |
| Charging: | 67W wired, PD3.0, QC3, 100% in 38 min |
| Fast Charging: | 67W |
| 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 |
| Ram: | 6GB |
| Storage: | 128GB |
| Expandable: | No |
| Os: | Android 12, MIUI 13 |
| Os Version: | 12 |
| 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: | Splash resistant |
| Sim: | Nano-SIM + Nano-SIM |
| Wifi: | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct |
| Bluetooth: | 5.2, A2DP, LE |
| Nfc: | Yes |
| Usb: | USB Type-C 2.0, OTG |
| Headphone Jack: | No |
| Network: | GSM / CDMA / HSPA / CDMA2000 / LTE / 5G |
| Sensors: | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
| Colors: | Black, Gray, Blue, Green |
| Usd: | ~281 USD |
| Os Family: | Android |
| Os Launch Version: | 12 |
| Os Skin: | MIUI 13 |