Xiaomi Redmi K40 Pro
$370.47
Overview
Xiaomi Redmi K40 Pro is a mid-range Android smartphone released in 2021 with a 6.67-inch Super AMOLED, Snapdragon 888 chipset, 64 main camera, and 4520 mAh battery.
The device runs HyperOS with features like Leica partnership. Priced at $370.47, it targets users seeking mid-range performance.
Specifications of Xiaomi Redmi K40 Pro
The display of Xiaomi Redmi K40 Pro measures 6.67 inches with Super AMOLED technology and 120Hz refresh rate. Peak brightness reaches 1300 nits for excellent outdoor visibility. The screen renders at 1080x2400 pixels resolution.
The camera system of Xiaomi Redmi K40 Pro features 3 rear cameras: 64 main, 8MP ultrawide, 8MP telephoto. Optical zoom reaches 3x for detailed distant shots. Video recording supports up to 4320p.
The battery of Xiaomi Redmi K40 Pro has 4520mAh capacity with 33 wired charging. A full charge takes approximately 52 min minutes.
The performance of Xiaomi Redmi K40 Pro is powered by the Snapdragon 888 chipset with Adreno 660 GPU.
The memory of Xiaomi Redmi K40 Pro offers 12GB RAM with 128GB storage options. RAM uses LPDDR5 technology. Storage is 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM. Storage is not expandable.
The connectivity of Xiaomi Redmi K40 Pro includes 5G support, Wi-Fi Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct, and Bluetooth 5.2. NFC is supported for contactless payments.
The build of Xiaomi Redmi K40 Pro weighs 196g with Aluminum frame and Glossy back. Water and dust resistance is rated IP53. Dimensions measure 163.7 x 76.4 x 7.8 mm.
The software of Xiaomi Redmi K40 Pro runs Android 11, MIUI 12 with MIUI. Software support extends 2 years through 2028.
Compare Xiaomi Redmi K40 Pro
Frequently Asked Questions about Xiaomi Redmi K40 Pro
Yes, Xiaomi Redmi K40 Pro is good for photography with its 64 camera. It handles everyday photography well with solid detail and color accuracy.
Yes, Xiaomi Redmi K40 Pro is excellent for gaming with its Snapdragon 888 chipset and 120Hz display. It handles demanding games at high settings with smooth frame rates.
Xiaomi Redmi K40 Pro receives 2 years of updates through 2028. Consider this when planning long-term device usage.
Yes, Xiaomi Redmi K40 Pro supports 5G connectivity with both Sub-6GHz and mmWave bands for maximum network compatibility and fastest speeds. It works with major 5G carriers globally.
Xiaomi Redmi K40 Pro has IP53 protection against dust and water.
Xiaomi Redmi K40 Pro has a 4520mAh battery. This provides full-day battery life with typical usage patterns.
Xiaomi Redmi K40 Pro at $370.47 is a mid-range device offering Snapdragon 888. It's worth buying if you prioritize balanced performance and value.
Xiaomi Redmi K40 Pro supports 33 wired charging with full charge in approximately 52 min minutes.
Xiaomi Redmi K40 Pro is available in 128GB storage options. Storage is not expandable, so choose your capacity based on your needs.
Xiaomi Redmi K40 Pro has a 6.67-inch Super AMOLED with 120Hz refresh rate and 1300 nits peak brightness. HDR support includes HDR10+.
Xiaomi Redmi K40 Pro in Category Rankings
See how Xiaomi Redmi K40 Pro ranks in these categories:
Verdict
The Xiaomi Redmi K40 Pro delivers solid value for budget-conscious users who need reliable performance. The phone excels in versatile camera system, smooth 120Hz display. Select this phone for reliable daily use, if you seek good value without compromising on essential features.
Key Specifications
Display
6.67"
Main Camera
64
Chipset
Snapdragon 888
Full Specifications
Network
| Technology | GSM / CDMA / HSPA / CDMA2000 / LTE / 5G |
| 2G Bands | GSM / |
| 3G Bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G LTE Bands | LTE / |
| 5G Sub-6 Bands | 5G |
| 5G mmWave Bands | |
| Speed | N/A |
| Carrier Aggregation | 4x4 MIMO |
| SIM | Nano-SIM |
| Dual SIM Mode | Dual SIM |
| eSIM Support | |
| VoLTE Support | N/A |
| VoWiFi | N/A |
| NR CA Support | 2CC |
Launch
| Announced | 2021 |
| Status | available |
| Availability | N/A |
| Model Variants | N/A |
| Launch Price | $370.47 |
Body & Design
| Dimensions (mm) | 163.7 x 76.4 x 7.8 mm |
| Weight (g) | 196 |
| Build Materials | Glass front (Gorilla Glass 5), glass back, aluminum frame |
| Frame | Aluminum |
| Back Finish | Glossy |
| Colors | ["Black", "White", "Aurora"] |
| IP Rating | IP53 |
| Rugged Certifications | N/A |
| Ingress Gaskets | N/A |
| Form Factor | Bar |
| Hinge Type | N/A |
| Folded Dimensions | N/A |
| Thermal Solution | Graphite Sheet |
| Notification/Alert | |
| Haptics | Basic Vibration |
Display
| Panel Type | Super AMOLED |
| Size (inches) | 6.67 |
| Resolution (px) | 1080x2400 pixels |
| Aspect Ratio | 9:20 |
| Pixel Density (ppi) | 395 |
| Screen-to-body Ratio (%) | 85.9 |
| Refresh Rate (Hz) | 120 |
| Adaptive Refresh Rate | |
| Touch Sampling Rate (Hz) | 480 |
| Peak Brightness (nits) | 1300 |
| HDR Standards | HDR10+ |
| Color Gamut | DCI-P3 |
| Color Depth | 10 |
| PWM Dimming (Hz) | 1920 |
| Glass Protection | Corning Gorilla Glass v5 |
| Oleophobic Coating | N/A |
| Curvature | Flat |
| Always-on Display | |
| Display Driver IC | N/A |
| Cover Display | N/A |
Platform (SoC)
| OS at Launch | Android 11, MIUI 12 |
| Update Policy | 2 years |
| Chipset | Snapdragon 888 |
| CPU | Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) |
| GPU | Adreno 660 |
| NPU/AI TOPs | 26 TOPS |
| ISP Features | Triple ISP, 2.7 Gigapixels/s |
| Modem | Snapdragon X60 |
| Wi-Fi/Bluetooth Chip | N/A |
| Throttling Behavior | N/A |
| Geekbench Single-Core | N/A |
| Geekbench Multi-Core | N/A |
| AnTuTu Score | N/A |
| 3DMark Scores | N/A |
Memory & Storage
| RAM | 12GB |
| RAM Type | LPDDR5 |
| Storage | 128GB |
| Storage Type | 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM |
| Storage Speed | UFS 3.1 |
| Expandable Storage | |
| Slot Type | N/A |
| USB OTG | |
| Filesystem Encryption | F2FS |
Main Camera System
| Rear Cameras | 3 |
| Main Sensor | 64 |
| Main Sensor Size | 1/1.7" |
| Main Sensor Model | Sony Exmor-RS IMX686 |
| Main Lens | f/1.9, 26mm |
| OIS | |
| Autofocus | PDAF |
| Pixel Binning | 0.8µm |
| Ultrawide | 8MP, FOV: 123° |
| Telephoto | 8MP, 3x optical zoom |
| Macro | 5 |
| Depth/ToF/LiDAR | |
| Flicker/Color Sensors | N/A |
| Flash | Dual LED |
| Video Resolution | 4320p |
| HDR/Dolby Vision Video | |
| Video Codecs | H.264, H.265, HEVC |
| Slow Motion | 960 |
| Video Stabilization | |
| Night Mode Features | |
| RAW/Pro Controls | N/A |
Selfie Camera
| Resolution | 20 |
| Sensor Size | 1/3.06" |
| Aperture | f/2.5 |
| AF/OIS | |
| Secondary Front Cam | |
| Front Flash | |
| Video | 1080p@30fps |
| HDR/Dolby Vision | N/A |
| Face Unlock | 2D |
Audio
| Loudspeakers | Yes, with stereo speakers |
| 3.5mm Jack | |
| Hi-Res Audio | |
| Spatial Audio / Dolby Atmos | |
| Microphones | 2 |
| Bluetooth Codecs | aptX HD, LDAC, AAC |
| DAC/Amp | Dual stereo speakers |
Connectivity
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct |
| Wi-Fi Features | Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct |
| Bluetooth | 5.2 |
| NFC | |
| IR Blaster | |
| UWB | N/A |
| Positioning | GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5) |
| Dual-Band GNSS | |
| FM Radio | |
| USB | USB Type-C 2.0 |
| Display Out | |
| eSIM Capacity |
Sensors
| Fingerprint Sensor | Fingerprint (Side-Mounted) |
| 3D Face ID | N/A |
| Accelerometer | |
| Gyroscope | |
| Magnetometer | |
| Proximity Sensor | |
| Ambient Light | |
| Barometer | |
| Thermo/Hygrometer | N/A |
| UV Sensor | N/A |
| Hall Sensor | |
| Color Temp Sensor | |
| Health Sensors | accelerometer, gyroscope, proximity, compass, barometer |
| Satellite SOS |
Battery & Charging
| Capacity (mAh) | 4520 |
| Type | Li-Po |
| Removable | |
| Endurance Rating | N/A |
| Wired Charging | 33 |
| Wired Standard | PD3.0 |
| 0-50% Time (mins) | 19 min |
| Full Charge Time | 52 min |
| Wireless Charging | N/A |
| Wireless Standard | N/A |
| Reverse Wireless | N/A |
| Reverse Wired | |
| Charger in Box | 33 |
| Battery Health Features | Battery saver mode |
Software
| OS at Launch | Android 11, MIUI 12 |
| Update Window | 2 years |
| UI Skin / Launcher | MIUI |
| Feature Drops | N/A |
| App Cloning | N/A |
| Game Mode | |
| Privacy Features | app permissions, privacy dashboard |
| Accessibility | screen reader, magnification, color inversion |
| Satellite Messaging UI |
Miscellaneous
| In-Box Contents | Phone, 33W charger, USB-C cable, SIM eject tool, User manual, Case |
| Recycled Materials (%) | N/A |
| Repairability Score | N/A |
| Warranty | N/A |
Reviews & Ratings
186 ratings
Showing 3 of 186 reviews
Alex R.
2 weeks ago
Absolutely love the camera on this phone! The zoom is incredible and the photos are so crisp. Battery life is also a huge plus.
Ben C.
1 month ago
Great performance and beautiful display. My only complaint is that it feels a bit heavy, but you get used to it. Solid phone overall.
Chloe D.
3 months ago
The best phone I've ever owned. It's fast, the software is clean, and the build quality is top-notch. Highly recommend!
Xiaomi Redmi K40 Pro Review: A Flagship Worth Considering
Our comprehensive review of the Xiaomi Redmi K40 Pro covers display quality, camera performance, battery life, and overall value. This flagship delivers on its promises.
- + Excellent Super AMOLED display with 120Hz refresh rate
- + Powerful Snapdragon 888 chipset for smooth performance
- - Battery life could be better
- - No wireless charging