# Thunderbird V3 AI Shooting Glasses vs Vuzix M400 Smart Glasses

Canonical comparison page: https://www.arcompare.com/compare/thunderbird-v3-vs-vuzix-m400/
Specs updated: 2026-10-06 (the newer of the two products' update dates)
Source: AR Compare spec database (https://www.arcompare.com/data/). Unknown values are "—", never guessed.

**Bottom line: the Vuzix M400 Smart Glasses is the better buy for most people, unless you need the lighter fit.**

- 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, and you're an iPhone user.

## Specifications

| Spec | Thunderbird V3 AI Shooting Glasses | Vuzix M400 Smart Glasses |
| --- | --- | --- |
| Price | — | $1,500 |
| Dimming control | — | ✓ Yes |
| Prescription support | ✕ No | ✓ Yes |
| Diopter range | — | Works alongside prescription glasses / safety frames via mounting options |
| Weight (g) | 39 | 190 |
| Frame style | glasses | — |
| Foldable | ✕ No | ✕ No |
| Battery life (hours) | — | 2 |
| Connectivity | — | USB-C |
| Compatible devices | — | Standalone, iOS, Android |
| 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 |
| Camera | ✕ No | 12.8MP |
| Speakers | ✕ No | open-ear |
| Tracking | — | 3DoF |

Product pages: https://www.arcompare.com/ar-glasses/thunderbird-v3/ · https://www.arcompare.com/ar-glasses/vuzix-m400/
Machine records: https://www.arcompare.com/data/products/thunderbird-v3.json · https://www.arcompare.com/data/products/vuzix-m400.json