Xiaomi K40S Redmi 5G Smartphone: Qualcomm Snapdragon 870 processor
Meet the Xiaomi Redmi K40S 5G – not just any smartphone, but a speed demon dressed in sleek tech. At its heart? A Qualcomm Snapdragon 870 octa-core processor that rockets up to 3.2GHz, paired with a generous 12GB RAM and 256GB storage. Translation: it's like giving your digital life a shot of espresso.
Then there's the display – oh, the display. A 6.67-inch 120Hz E4 AMOLED full screen that's as smooth as butter, wrapped in Corning Gorilla Glass 5 because accidents happen. With HDR10+ and an eye protection mode, it's not just about seeing; it's about seeing comfortably (your eyes will thank you).
For the shutterbugs, this phone is a dream. A 48MP ultra-high resolution primary camera captures the world in stunning detail, while an 8MP ultra-wide-angle camera and a 2MP macro camera ensure you never miss a shot, no matter how close or far. And for those selfie moments? A 20MP AI front camera turns every snap into a masterpiece (filter game strong).
Powering through your day is a 4500mAh battery – because who has time to charge constantly? Plus, with 5G networks, you're always in the fast lane. And let's not forget the extras: NFC for tap-and-go payments, an IR blaster to control your gadgets, and dual SIM support because why choose one when you can have both?
Features
- 12GB RAM + 256GB storage
- 6.67 inch 120Hz AMOLED screen
- 48MP triple rear cameras
- 4500mAh battery
- 5G network support
- Qualcomm Snapdragon 870 processor
General specs
- Brand: Xiaomi
- Model: K40S
- Seller: Sunsky
- ID: 2282255
- Processor: Qualcomm Snapdragon 870 octa-core Kryo 585 7nm, up to 3.2GHz
- Memory: 12GB RAM, 256GB storage
- Display: 6.67 inch Pole Notch 120Hz E4 AMOLED full screen, 2400 x 1080 FHD+, Corning Gorilla Glass 5
- Camera: 48MP IMX582 primary camera, 8MP 119° ultra wide-angle camera, 2MP macro camera, 20MP AI front camera
- Battery: 4500mAh
- Network: 5G, 4G LTE, 3G, 2G, Dual SIM
- Additional Features: NFC, IR blaster, Fingerprint identification, MIUI 13
- First listed by seller: 5/20/25
If you are interested in more details, you can find full information on the seller's page.
Price History for seller Sunsky
Shipping options
United States
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
Xiaomi K40S Qualcomm Snapdragon 870 processor
|
Xiaomi Civi 2 Snapdragon 7 octa core 4nm 2.4GHz
|
Honor X40 5G RMO-AN00 Snapdragon 695 octa core processor
|
Xiaomi 12 6.79 FHD + 90Hz Screen
|
Xiaomi Note 11 Pro+ 5G 5G connectivity
|
Xiaomi 10C 4GB RAM
|
|
| Brand | Xiaomi | Xiaomi | Honor | Xiaomi | Xiaomi | Xiaomi |
| Model | K40S | Civi 2 | X40 5G RMO-AN00 | 12 | Note 11 Pro+ 5G | 10C |
| Color | ||||||
| Rating |
|
|
|
|
|
|
| Price | $345.23 | $340.00 | $323.00 | $159.00 | $219.00 | $198.00 |
| Seller | Sunsky | Sunsky | Sunsky | Gshopper | Gshopper | Gshopper |
| Update | December 4, 2025 | August 19, 2025 | September 15, 2025 | July 25, 2024 | July 25, 2024 | July 25, 2024 |
| Processor | Qualcomm Snapdragon 870 octa-core Kryo 585 7nm, up to 3.2GHz | Snapdragon 7 octa core 4nm 2.4GHz | Snapdragon 695 octa core 2 x A78 x 2.2GHz + 6 x A55 1.8GHz | MediaTek Helio G88 | High-performance | High-performance |
| Display | 6.67 inch Pole Notch 120Hz E4 AMOLED full screen, 2400 x 1080 FHD+, Corning Gorilla Glass 5 | 6.55 inch, 120Hz refresh rate, 2400 x 1080 pixel FHD+, Corning Gorilla Glass 5 | 6.67 inch AMOLED full screen, 2400 x 1080 pixels resolution, 60Hz/120Hz refresh rate | 6.79 FHD + 90Hz | Large | |
| Camera | 48MP IMX582 primary camera, 8MP 119° ultra wide-angle camera, 2MP macro camera, 20MP AI front camera | 50MP main camera, 20MP ultra-wide-angle lens, 2MP macro lens, 32MP front cameras | 50MP+2MP dual rear cameras, 8MP front camera | Triple 50 MP IA | Advanced system | |
| Battery | 4500mAh | 4500mAh | 5100mAh | Large capacity | ||
| Network | 5G, 4G LTE, 3G, 2G, Dual SIM | 5G, 4G LTE, 3G, 2G | 5G NR N1/N28/N38/N41/N77/N78/N79 | |||
