Thunderbird V3 AI Shooting Glasses vs Vuzix M400 Smart Glasses
Side-by-side comparison of specs, features, and pricing
Specs updated
Thunderbird V3 AI Shooting Glasses
Thunderbird Innovation
Which should you buy?
Bottom line: the Vuzix M400 Smart Glasses is the better buy for most people, unless you need the lighter fit.
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Buy the Thunderbird V3 AI Shooting Glasses if…
- You want the lighter 39g fit (vs 190g)
Buy the Vuzix M400 Smart Glasses if…
- You want a built-in camera
- You wear prescription lenses
- You want adjustable lens dimming
- You're an iPhone user
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 |  Thunderbird V3 AI Shooting Glasses |  Vuzix M400 Smart Glasses $1,500 |
|---|---|---|
| Price | ||
| Price | — | $1,500 |
| Optics | ||
| Dimming control | — | ✓ Yes |
| Prescription support | ✕ No | ✓ Yes |
| Diopter range | — | Works alongside prescription glasses / safety frames via mounting options |
| Physical | ||
| Weight (g) | 39 | 190 |
| Frame style | glasses | — |
| Foldable | ✕ No | ✕ No |
| Battery & power | ||
| Battery life (hours) | — | 2 |
| Connectivity | ||
| Connectivity | — | USB-C |
| Compatible devices | — | Standalone, iOS, Android |
| Computing | ||
| Operating system | — | Android 9.0 (upgraded builds available; APK sideloading) |
| Chipset | Alibaba-Tongyi AI | Qualcomm Snapdragon XR1 (8-core, 2.52GHz), 6GB RAM, 64GB storage |
| Sensors & input | ||
| Camera | ✕ No | 12.8MP |
| Speakers | ✕ No | open-ear |
| Tracking | — | 3DoF |
Buy the Thunderbird V3 AI Shooting Glasses
Buy the Vuzix M400 Smart Glasses
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Thunderbird V3 AI Shooting Glasses vs Vuzix M400 Smart Glasses: FAQs
Which is newer: the Thunderbird V3 AI Shooting Glasses or the Vuzix M400 Smart Glasses?
The Thunderbird V3 AI Shooting Glasses is newer, released January 2025, versus September 2019 for the Vuzix M400 Smart Glasses.
Which is lighter: the Thunderbird V3 AI Shooting Glasses or the Vuzix M400 Smart Glasses?
The Thunderbird V3 AI Shooting Glasses is lighter at 39g. The Thunderbird V3 AI Shooting Glasses weighs 39g and the Vuzix M400 Smart Glasses weighs 190g.
What is the main difference between the Thunderbird V3 AI Shooting Glasses and the Vuzix M400 Smart Glasses?
Based on recorded specs, the Thunderbird V3 AI Shooting Glasses leads on weight (151g lighter) while the Vuzix M400 Smart Glasses leads on camera (Has built-in camera).