Vuzix M400 Smart Glasses vs Vuzix Ultralite Pro
Side-by-side comparison of specs, features, and pricing
Specs updated
Vuzix Ultralite Pro
Vuzix
Which should you buy?
Bottom line: the Vuzix Ultralite Pro is the better buy for most people, unless you need adjustable lens dimming.
We may earn a commission on purchases made through links on this page.
Buy the Vuzix M400 Smart Glasses if…
- You want adjustable lens dimming
Buy the Vuzix Ultralite Pro if…
- You want the wider 30° field of view (vs 16.8°)
- You want the lighter 80g fit (vs 190g)
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.
See the full rankings
Specs Comparison
Specs last verified
| Specification |  Vuzix M400 Smart Glasses $1,500 |  Vuzix Ultralite Pro |
|---|---|---|
| Price | ||
| Price | $1,500 | — |
| Optics | ||
| Optics type | — | waveguide |
| Dimming control | ✓ Yes | — |
| Transparency level | — | see-through (minimal forward light leakage) |
| Prescription support | ✓ Yes | ✓ Yes |
| Diopter range | Works alongside prescription glasses / safety frames via mounting options | Prescription-ready push-pull Rx lens system (announced OEM platform) |
| Physical | ||
| Weight (g) | 190 | 80 |
| Frame style | — | classic unisex |
| Foldable | ✕ No | ✓ Yes |
| Battery & power | ||
| Battery life (hours) | 2 | — |
| Connectivity | ||
| Connectivity | USB-C | Bluetooth, WiFi |
| Tethered | — | ✕ No |
| Compatible devices | Standalone, iOS, Android | Android, iOS |
| Computing | ||
| Processing type | — | on-device |
| Operating system | Android 9.0 (upgraded builds available; APK sideloading) | — |
| Chipset | Qualcomm Snapdragon XR1 (8-core, 2.52GHz), 6GB RAM, 64GB storage | Qualcomm AR1 |
| Sensors & input | ||
| Camera | 12.8MP | ✓ Yes |
| Microphones | — | 2 |
| Speakers | open-ear | open-ear |
| Tracking | 3DoF | — |
| Voice control | — | ✓ Yes |
Buy the Vuzix M400 Smart Glasses
Buy the Vuzix Ultralite Pro
Keep shopping
Jump straight to full specs and where to buy either model, or keep exploring related picks.
More ways to decide
Vuzix M400 Smart Glasses vs Vuzix Ultralite Pro: FAQs
Which has the larger field of view: the Vuzix M400 Smart Glasses or the Vuzix Ultralite Pro?
The Vuzix Ultralite Pro has the larger field of view: Vuzix M400 Smart Glasses measures 16.8 degrees vs 30 degrees for the Vuzix Ultralite Pro.
Which is lighter: the Vuzix M400 Smart Glasses or the Vuzix Ultralite Pro?
The Vuzix Ultralite Pro is lighter at 80g. The Vuzix M400 Smart Glasses weighs 190g and the Vuzix Ultralite Pro weighs 80g.