Vuzix M400 Smart Glasses vs Xiaomi AI Glasses
Side-by-side comparison of specs, features, and pricing
Specs updated
Which should you buy?
Bottom line: the Xiaomi AI Glasses is the better buy for most people at $1219.99 less, unless you need iPhone support.
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Buy the Vuzix M400 Smart Glasses if…
- You're an iPhone user
Buy the Xiaomi AI Glasses if…
- You want to spend $1219.99 less ($280 vs $1499.99)
- You want the lighter 40g fit (vs 190g)
- You need longer battery life (8.6 hours vs 2)
Verdict generated from the recorded spec differences shown in the table below — when a spec is missing for either product, it is left out rather than guessed.
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Specs Comparison
Specs last verified
| Specification |  Vuzix M400 Smart Glasses $1,500 |  Xiaomi AI Glasses $280 |
|---|---|---|
| Price | ||
| Price | $1,500 | $280 |
| Optics | ||
| Dimming control | ✓ Yes | ✓ Yes |
| Prescription support | ✓ Yes | ✓ Yes |
| Diopter range | Works alongside prescription glasses / safety frames via mounting options | yes (China channel) |
| Physical | ||
| Weight (g) | 190 | 40 |
| Foldable | ✕ No | ✕ No |
| IP rating | — | IP54 |
| Battery & power | ||
| Battery life (hours) | 2 | 8.6 |
| Connectivity | ||
| Connectivity | USB-C | USB-C |
| Compatible devices | Standalone, iOS, Android | — |
| Computing | ||
| Operating system | Android 9.0 (upgraded builds available; APK sideloading) | XiaoAI assistant (Chinese only); HyperOS ecosystem, smart-home control, 14 third-party apps |
| Chipset | Qualcomm Snapdragon XR1 (8-core, 2.52GHz), 6GB RAM, 64GB storage | Qualcomm Snapdragon AR1 + BES2700 low-power audio chip; 4GB RAM / 32GB storage |
| Sensors & input | ||
| Camera | 12.8MP | 12MP |
| Speakers | open-ear | open-ear |
| Tracking | 3DoF | 0DoF |
Buy the Vuzix M400 Smart Glasses
Buy the Xiaomi AI Glasses
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Vuzix M400 Smart Glasses vs Xiaomi AI Glasses: FAQs
Which is newer: the Vuzix M400 Smart Glasses or the Xiaomi AI Glasses?
The Xiaomi AI Glasses is newer, released June 2025, versus September 2019 for the Vuzix M400 Smart Glasses.
Which is cheaper: the Vuzix M400 Smart Glasses or the Xiaomi AI Glasses?
The Vuzix M400 Smart Glasses costs $1499.99 and the Xiaomi AI Glasses costs $280, making the Xiaomi AI Glasses $1219.99 cheaper.
Which is lighter: the Vuzix M400 Smart Glasses or the Xiaomi AI Glasses?
The Xiaomi AI Glasses is lighter at 40g. The Vuzix M400 Smart Glasses weighs 190g and the Xiaomi AI Glasses weighs 40g.