Xiaomi Mi 9
$0
Overview
Xiaomi Mi 9 is a budget Android smartphone released in 2019 with a 6.39-inch Super AMOLED, Snapdragon 855 chipset, 48 main camera, and 3300 mAh battery.
The device runs HyperOS with features like Leica partnership. Priced at $0, it targets users seeking budget performance.
Specifications of Xiaomi Mi 9
The display of Xiaomi Mi 9 measures 6.39 inches with Super AMOLED technology. Peak brightness reaches 430 nits for excellent outdoor visibility. The screen renders at 1080x2340 pixels resolution.
The camera system of Xiaomi Mi 9 features 3 rear cameras: 48 main, 16MP ultrawide, 12MP telephoto. Optical zoom reaches 2x for detailed distant shots. Video recording supports up to 2160p.
The battery of Xiaomi Mi 9 has 3300mAh capacity with 27 wired charging. Wireless charging supports 420. A full charge takes approximately 120 min minutes.
The performance of Xiaomi Mi 9 is powered by the Snapdragon 855 chipset with Adreno 640 GPU. AnTuTu benchmark achieves 372006.
The memory of Xiaomi Mi 9 offers 8GB RAM with 64GB storage options. RAM uses LPDDR4X technology. Storage is 64GB 6GB RAM, 64GB 8GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM. Storage is not expandable.
The connectivity of Xiaomi Mi 9 includes 5G support, Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, and Bluetooth 5.0. NFC is supported for contactless payments.
The build of Xiaomi Mi 9 weighs 173.0g with Aluminum frame and Glass back. Dimensions measure 157.5 x 74.7 x 7.6 mm.
The software of Xiaomi Mi 9 runs Android 9.0 (Pie), upgradable to Android 10, MIUI 12.5 with MIUI. Software support extends 2 years through 2028.
Compare Xiaomi Mi 9
Frequently Asked Questions about Xiaomi Mi 9
Yes, Xiaomi Mi 9 is good for photography with its 48 camera. It handles everyday photography well with solid detail and color accuracy.
Yes, Xiaomi Mi 9 is excellent for gaming with its Snapdragon 855 chipset. It handles demanding games at high settings with smooth frame rates.
Xiaomi Mi 9 receives 2 years of updates through 2028. Consider this when planning long-term device usage.
Yes, Xiaomi Mi 9 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 Mi 9 has a 3300mAh battery. Battery life varies based on usage patterns.
Xiaomi Mi 9 at $0 is a budget device offering Snapdragon 855. It's worth buying if you prioritize affordability over premium features.
Xiaomi Mi 9 supports 27 wired charging with full charge in approximately 120 min minutes. Wireless charging supports 420.
Xiaomi Mi 9 is available in 64GB storage options. Storage is not expandable, so choose your capacity based on your needs.
Xiaomi Mi 9 has a 6.39-inch Super AMOLED with 60Hz refresh rate and 430 nits peak brightness. HDR support includes HDR10.
Xiaomi Mi 9 in Category Rankings
See how Xiaomi Mi 9 ranks in these categories:
Verdict
The Xiaomi Mi 9 delivers practical value for users prioritizing affordability over premium features. The phone excels in versatile camera system. Pick this phone for essential smartphone functionality, if you prioritize affordability while still needing core features.
Key Specifications
Display
6.39"
Main Camera
48
Chipset
Snapdragon 855
Full Specifications
Network
| Technology | GSM / CDMA / HSPA / LTE |
| 2G Bands | GSM / |
| 3G Bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G LTE Bands | LTE |
| 5G Sub-6 Bands | [] |
| 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 |
Launch
| Announced | 2019 |
| Status | Discontinued |
| Availability | N/A |
| Model Variants | N/A |
| Launch Price | N/A |
Body & Design
| Dimensions (mm) | 157.5 x 74.7 x 7.6 mm |
| Weight (g) | 173.0 |
| Build Materials | Glass front (Gorilla Glass 6), glass back (Gorilla Glass 5), aluminum frame |
| Frame | Aluminum |
| Back Finish | Glass |
| Colors | ["Lavender Violet", "Ocean Blue", "Piano Black"] |
| IP Rating | N/A |
| Rugged Certifications | N/A |
| Ingress Gaskets | N/A |
| Form Factor | Bar |
| Hinge Type | N/A |
| Folded Dimensions | 0x0x0 |
| Thermal Solution | Graphite |
| Notification/Alert | |
| Haptics | Basic |
Display
| Panel Type | Super AMOLED |
| Size (inches) | 6.39 |
| Resolution (px) | 1080x2340 pixels |
| Aspect Ratio | 6:13 |
| Pixel Density (ppi) | 403 |
| Screen-to-body Ratio (%) | 85.2 |
| Refresh Rate (Hz) | 60 |
| Adaptive Refresh Rate | |
| Touch Sampling Rate (Hz) | 180 |
| Peak Brightness (nits) | 430 |
| HDR Standards | HDR10 |
| Color Gamut | sRGB |
| Color Depth | 24 |
| PWM Dimming (Hz) | 240 |
| Glass Protection | Corning Gorilla Glass 6 |
| Oleophobic Coating | N/A |
| Curvature | 2.5D |
| Always-on Display | |
| Display Driver IC | N/A |
| Cover Display | Gorilla Glass 6 |
Platform (SoC)
| OS at Launch | Android 9.0 (Pie), upgradable to Android 10, MIUI 12.5 |
| Update Policy | 2 years |
| Chipset | Snapdragon 855 |
| CPU | Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485) |
| GPU | Adreno 640 |
| NPU/AI TOPs | 7 TOPS |
| ISP Features | Spectra 380 |
| Modem | Snapdragon X24 LTE |
| Wi-Fi/Bluetooth Chip | N/A |
| Throttling Behavior | N/A |
| Geekbench Single-Core | N/A |
| Geekbench Multi-Core | N/A |
| AnTuTu Score | 372006 |
| 3DMark Scores | N/A |
Memory & Storage
| RAM | 8GB |
| RAM Type | LPDDR4X |
| Storage | 64GB |
| Storage Type | 64GB 6GB RAM, 64GB 8GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM |
| Storage Speed | UFS 2.1 |
| Expandable Storage | |
| Slot Type | N/A |
| USB OTG | |
| Filesystem Encryption | FIPS 140-2 |
Main Camera System
| Rear Cameras | 3 |
| Main Sensor | 48 |
| Main Sensor Size | 1/2.0" |
| Main Sensor Model | Sony IMX586 |
| Main Lens | f/1.8, 26mm |
| OIS | |
| Autofocus | PDAF |
| Pixel Binning | |
| Ultrawide | 16MP, FOV: 117° |
| Telephoto | 12MP, 2x optical zoom |
| Macro | 2 |
| Depth/ToF/LiDAR | |
| Flicker/Color Sensors | N/A |
| Flash | Dual-LED |
| Video Resolution | 2160p |
| HDR/Dolby Vision Video | |
| Video Codecs | H.264, H.265 |
| Slow Motion | 960 |
| Video Stabilization | EIS |
| Night Mode Features | |
| RAW/Pro Controls | N/A |
Selfie Camera
| Resolution | 20 |
| Sensor Size | 1/3.1" |
| Aperture | f/2.0 |
| AF/OIS | |
| Secondary Front Cam | |
| Front Flash | |
| Video | 1080p@30fps |
| HDR/Dolby Vision | N/A |
| Face Unlock | 2D |
Audio
| Loudspeakers | |
| 3.5mm Jack | |
| Hi-Res Audio | |
| Spatial Audio / Dolby Atmos | |
| Microphones | 2 |
| Bluetooth Codecs | aptX, aptX HD, LDAC |
| DAC/Amp | Qualcomm WCD9375 |
Connectivity
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA |
| Wi-Fi Features | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA |
| Bluetooth | 5.0 |
| NFC | |
| IR Blaster | |
| UWB | N/A |
| Positioning | GPS (L1+L5), GLONASS (L1), BDS (B1), GALILEO (E1+E5a), QZSS (L1+L5) |
| Dual-Band GNSS | |
| FM Radio | |
| USB | USB Type-C 2.0 |
| Display Out | |
| eSIM Capacity |
Sensors
| Fingerprint Sensor | Fingerprint (Under Display, Optical) |
| 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 |
| Satellite SOS |
Battery & Charging
| Capacity (mAh) | 3300 |
| Type | Li-Po |
| Removable | |
| Endurance Rating | N/A |
| Wired Charging | 27 |
| Wired Standard | QC420 |
| 0-50% Time (mins) | 60 min |
| Full Charge Time | 120 min |
| Wireless Charging | 420 |
| Wireless Standard | Qi |
| Reverse Wireless | 5 |
| Reverse Wired | |
| Charger in Box | 27W |
| Battery Health Features | battery saver |
Software
| OS at Launch | Android 9.0 (Pie), upgradable to Android 10, MIUI 12.5 |
| Update Window | 2 years |
| UI Skin / Launcher | MIUI |
| Feature Drops | N/A |
| App Cloning | N/A |
| Game Mode | |
| Privacy Features | app permissions, location controls |
| Accessibility | screen reader, magnification, color inversion |
| Satellite Messaging UI |
Miscellaneous
| In-Box Contents | phone, charger, cable, SIM tool, 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 Mi 9 Review: Solid Performance for the Price
Our comprehensive review of the Xiaomi Mi 9 covers display quality, camera performance, battery life, and overall value. A solid choice in its price segment.
- + Powerful Snapdragon 855 chipset for smooth performance
- + Wireless charging support
- - Battery life could be better
- - Limited water resistance