


Xiaomi Mix 4
$0
Overview
Xiaomi Mix 4 is a budget Android smartphone released in 2021 with a 6.67-inch AMOLED, Snapdragon 888 chipset, 108 main camera, and 4500 mAh battery.
The device runs HyperOS with features like Leica partnership. Priced at $0, it targets users seeking budget performance.
Specifications of Xiaomi Mix 4
The display of Xiaomi Mix 4 measures 6.67 inches with AMOLED technology and 120Hz refresh rate. Peak brightness reaches 800 nits for excellent outdoor visibility. The screen renders at 1080x2400 pixels resolution.
The camera system of Xiaomi Mix 4 features 3 rear cameras: 108 main, 13MP ultrawide, 8MP telephoto. Optical zoom reaches 5x for detailed distant shots. Video recording supports up to 4320p.
The battery of Xiaomi Mix 4 has 4500mAh capacity with 120 wired charging. Wireless charging supports 50. A full charge takes approximately 15 min minutes.
The performance of Xiaomi Mix 4 is powered by the Snapdragon 888 chipset with Adreno 660 GPU.
The memory of Xiaomi Mix 4 offers 12GB RAM with 128GB storage options. RAM uses LPDDR5 technology. Storage is 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM. Storage is not expandable.
The connectivity of Xiaomi Mix 4 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 Mix 4 weighs 225.0g with Aluminum frame and Ceramic back. Water and dust resistance is rated IP53. Dimensions measure 162.6 x 75.4 x 8 mm.
The software of Xiaomi Mix 4 runs Android 11, MIUI 12.5 with MIUI. Software support extends 3 years through 2029.
Compare Xiaomi Mix 4
Frequently Asked Questions about Xiaomi Mix 4
Yes, Xiaomi Mix 4 is excellent for photography with its 108 main sensor and 3-camera system. The high-resolution sensor captures exceptional detail for professional-quality photos.
Yes, Xiaomi Mix 4 is excellent for gaming with its Snapdragon 888 chipset and 120Hz display. It handles demanding games at high settings with smooth frame rates.
Xiaomi Mix 4 receives 3 years of updates through 2029. This provides solid software support for the device's lifespan.
Yes, Xiaomi Mix 4 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 Mix 4 has IP53 protection against dust and water.
Xiaomi Mix 4 has a 4500mAh battery. This provides full-day battery life with typical usage patterns.
Xiaomi Mix 4 at $0 is a budget device offering 108 camera, Snapdragon 888. It's worth buying if you prioritize affordability over premium features.
Xiaomi Mix 4 supports 120 wired charging with full charge in approximately 15 min minutes. Wireless charging supports 50.
Xiaomi Mix 4 is available in 128GB storage options. Storage is not expandable, so choose your capacity based on your needs.
Xiaomi Mix 4 has a 6.67-inch AMOLED with 120Hz refresh rate and 800 nits peak brightness. HDR support includes HDR10+, Dolby Vision.
Xiaomi Mix 4 in Category Rankings
See how Xiaomi Mix 4 ranks in these categories:
Best Camera Phones
Features 108 main sensor
Fast Charging Phones
Supports 120 fast charging
Best Gaming Phones
Powered by Snapdragon 888
5G Phones
Supports 5G connectivity
Best Budget Phones
Affordable at $0
Wireless Charging Phones
Supports 50 wireless charging
Phones Under $500
Priced at $0
Android Phones
Runs Android
Verdict
The Xiaomi Mix 4 delivers practical value for users prioritizing affordability over premium features. The phone excels in professional-grade photography, smooth 120Hz display. Pick this phone for essential smartphone functionality, if you prioritize affordability while still needing core features.
Key Specifications
Display
6.67"
Main Camera
108
Chipset
Snapdragon 888
Full Specifications
Network
| Technology | GSM / CDMA / HSPA / EVDO / 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. Released 2021, August 16 |
| Availability | N/A |
| Model Variants | N/A |
| Launch Price | N/A |
Body & Design
| Dimensions (mm) | 162.6 x 75.4 x 8 mm |
| Weight (g) | 225.0 |
| Build Materials | Glass front (Gorilla Glass Victus), ceramic back, aluminum frame |
| Frame | Aluminum |
| Back Finish | Ceramic |
| Colors | ["Ceramic Black", "Ceramic White", "Shadow Gray"] |
| IP Rating | IP53 |
| Rugged Certifications | MIL-STD-810G |
| Ingress Gaskets | N/A |
| Form Factor | Bar |
| Hinge Type | N/A |
| Folded Dimensions | N/A |
| Thermal Solution | Vapor Chamber |
| Notification/Alert | |
| Haptics | Linear Motor |
Display
| Panel Type | AMOLED |
| Size (inches) | 6.67 |
| Resolution (px) | 1080x2400 pixels |
| Aspect Ratio | 9:20 |
| Pixel Density (ppi) | 395 |
| Screen-to-body Ratio (%) | 87.6 |
| Refresh Rate (Hz) | 120 |
| Adaptive Refresh Rate | |
| Touch Sampling Rate (Hz) | 480 |
| Peak Brightness (nits) | 800 |
| HDR Standards | HDR10+, Dolby Vision |
| Color Gamut | DCI-P3 |
| Color Depth | 10 |
| PWM Dimming (Hz) | 1920 |
| Glass Protection | Corning Gorilla Glass Victus |
| Oleophobic Coating | N/A |
| Curvature | 3D curved |
| Always-on Display | |
| Display Driver IC | N/A |
| Cover Display | Gorilla Glass Victus |
Platform (SoC)
| OS at Launch | Android 11, MIUI 12.5 |
| Update Policy | 3 years |
| Chipset | Snapdragon 888 |
| CPU | Octa-core (1x2.99 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 |
| 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 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM |
| Storage Speed | UFS 3.1 |
| Expandable Storage | |
| Slot Type | N/A |
| USB OTG | |
| Filesystem Encryption | FIPS 140-2 |
Main Camera System
| Rear Cameras | 3 |
| Main Sensor | 108 |
| Main Sensor Size | 1/1.33" |
| Main Sensor Model | Samsung HM2 |
| Main Lens | f/1.9, 26mm |
| OIS | |
| Autofocus | PDAF |
| Pixel Binning | 9-in-1 |
| Ultrawide | 13MP, FOV: 123° |
| Telephoto | 8MP, 5x 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 | 1/3.4" |
| Aperture | f/2.0 |
| AF/OIS | |
| Secondary Front Cam | |
| Front Flash | |
| Video | 1080p@30fps |
| HDR/Dolby Vision | N/A |
| Face Unlock | 3D Structured Light |
Audio
| Loudspeakers | Yes, with stereo speakers |
| 3.5mm Jack | |
| Hi-Res Audio | |
| Spatial Audio / Dolby Atmos | |
| Microphones | 3 |
| Bluetooth Codecs | aptX HD, LDAC, AAC |
| DAC/Amp | ESS Sabre ES9280AC Pro |
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 (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 | Heart rate, SpO2 |
| Satellite SOS |
Battery & Charging
| Capacity (mAh) | 4500 |
| Type | Li-Po |
| Removable | |
| Endurance Rating | N/A |
| Wired Charging | 120 |
| Wired Standard | PD3.0 |
| 0-50% Time (mins) | 30 min |
| Full Charge Time | 15 min |
| Wireless Charging | 50 |
| Wireless Standard | Qi |
| Reverse Wireless | 10 |
| Reverse Wired | 10 |
| Charger in Box | 120 |
| Battery Health Features | Battery Care |
Software
| OS at Launch | Android 11, MIUI 12.5 |
| Update Window | 3 years |
| UI Skin / Launcher | MIUI |
| Feature Drops | N/A |
| App Cloning | N/A |
| Game Mode | |
| Privacy Features | App Lock, Private Space |
| Accessibility | screen reader, magnification |
| Satellite Messaging UI |
Miscellaneous
| In-Box Contents | Phone, Charger, Cable, Case, SIM tool |
| 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 Mix 4 Review: A Flagship Worth Considering
Our comprehensive review of the Xiaomi Mix 4 covers display quality, camera performance, battery life, and overall value. This flagship delivers on its promises.
- + Excellent AMOLED display with 120Hz refresh rate
- + Powerful Snapdragon 888 chipset for smooth performance
- - Limited water resistance
- - No expandable storage