# RealWear Navigator 520 vs Vuzix M400 Smart Glasses

Canonical comparison page: https://www.arcompare.com/compare/realwear-navigator-520-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 at $1650.01 less, unless you need the wider field of view.**

- Buy the RealWear Navigator 520 if you want the wider 24° field of view (vs 16.8°) and you need longer battery life (8 hours vs 2).
- Buy the Vuzix M400 Smart Glasses if you want to spend $1650.01 less ($1499.99 vs $3150), you want the lighter 190g fit (vs 270g), and you're an iPhone user.

## Specifications

| Spec | RealWear Navigator 520 | Vuzix M400 Smart Glasses |
| --- | --- | --- |
| Price | $3,150 | $1,500 |
| Dimming control | ✓ Yes | ✓ Yes |
| Prescription support | ✓ Yes | ✓ Yes |
| Diopter range | Worn with prescription glasses, safety glasses, or hard hats | Works alongside prescription glasses / safety frames via mounting options |
| Weight (g) | 270 | 190 |
| Foldable | ✕ No | ✕ No |
| Battery life (hours) | 8 | 2 |
| Connectivity | USB-C | USB-C |
| Compatible devices | Standalone | Standalone, iOS, Android |
| Operating system | Android 11 (RealWear voice-first UI, WearHF) | Android 9.0 (upgraded builds available; APK sideloading) |
| Chipset | Qualcomm Snapdragon 662 (8-core 2.0GHz, Adreno 610), 4GB RAM, 64GB storage | Qualcomm Snapdragon XR1 (8-core, 2.52GHz), 6GB RAM, 64GB storage |
| Camera | 48MP | 12.8MP |
| Speakers | open-ear | open-ear |
| Tracking | 3DoF | 3DoF |

Product pages: https://www.arcompare.com/ar-glasses/realwear-navigator-520/ · https://www.arcompare.com/ar-glasses/vuzix-m400/
Machine records: https://www.arcompare.com/data/products/realwear-navigator-520.json · https://www.arcompare.com/data/products/vuzix-m400.json