RealWear Navigator 520 vs Vuzix M400 Smart Glasses
Side-by-side comparison of specs, features, and pricing
Specs updated
Which should you buy?
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.
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Buy the RealWear Navigator 520 if…
- You want the wider 24° field of view (vs 16.8°)
- 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)
- 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 |  RealWear Navigator 520 $3,150 |  Vuzix M400 Smart Glasses $1,500 |
|---|---|---|
| Price | ||
| Price | $3,150 | $1,500 |
| Optics | ||
| 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 |
| Physical | ||
| Weight (g) | 270 | 190 |
| Foldable | ✕ No | ✕ No |
| Battery & power | ||
| Battery life (hours) | 8 | 2 |
| Connectivity | ||
| Connectivity | USB-C | USB-C |
| Compatible devices | Standalone | Standalone, iOS, Android |
| Computing | ||
| 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 |
| Sensors & input | ||
| Camera | 48MP | 12.8MP |
| Speakers | open-ear | open-ear |
| Tracking | 3DoF | 3DoF |
Buy the RealWear Navigator 520
Buy the Vuzix M400 Smart Glasses
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RealWear Navigator 520 vs Vuzix M400 Smart Glasses: FAQs
Which is newer: the RealWear Navigator 520 or the Vuzix M400 Smart Glasses?
The RealWear Navigator 520 is newer, released January 2023, versus September 2019 for the Vuzix M400 Smart Glasses.
Which is cheaper: the RealWear Navigator 520 or the Vuzix M400 Smart Glasses?
The RealWear Navigator 520 costs $3150 and the Vuzix M400 Smart Glasses costs $1499.99, making the Vuzix M400 Smart Glasses $1650.01 cheaper.
Which has the larger field of view: the RealWear Navigator 520 or the Vuzix M400 Smart Glasses?
The RealWear Navigator 520 has the larger field of view: RealWear Navigator 520 measures 24 degrees vs 16.8 degrees for the Vuzix M400 Smart Glasses.
Which is lighter: the RealWear Navigator 520 or the Vuzix M400 Smart Glasses?
The Vuzix M400 Smart Glasses is lighter at 190g. The RealWear Navigator 520 weighs 270g and the Vuzix M400 Smart Glasses weighs 190g.
What is the main difference between the RealWear Navigator 520 and the Vuzix M400 Smart Glasses?
Based on recorded specs, the RealWear Navigator 520 leads on field of view (7.199999999999999 degrees wider FOV) while the Vuzix M400 Smart Glasses leads on price ($1650.01 cheaper).