When comparing Google Glass vs Vuzix M300, the Slant community recommends Google Glass for most people. In the question“What are the best smart glasses?” Google Glass is ranked 2nd while Vuzix M300 is ranked 4th. The most important reason people chose Google Glass is:
Google Glass integrates with Google Maps to provide directions and real-time navigation information.
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Pros
Pro Built-in navigation support
Google Glass integrates with Google Maps to provide directions and real-time navigation information.
Pro A wide variety of glass designs available
Glass has multiple colors, frames, shades and earbuds available to help achieve a desired look.
Pro Can record 720p video
Google Glass allows recording a 720p video by either holding down the button that's located on top of the heads up display or saying "Ok Glass, record a video". By default the device will record a 10 second video, but that restriction can be removed by clicking the button again while recording.
Pro Natural language voice commands can be used to interact with the device
To interact with the device say "Ok, Glass" and give it instructions on what to do. Currently, it supports things like taking a picture, getting directions or calling someone, but more functionality will be available as developers start creating apps for the device.
Pro WiFi and Bluetooth connectivity
Pro Hot swappable batteries
If the battery is running low, you can replace it with a fully charged battery without needing to turn off the glasses. Larger extended batteries are also available, which can increase the battery life to up to 12 hours of continuous use. These larger batteries can be mounted on a belt instead of in the frames to be more ergonomic.
Pro Built-in features
While apps are available, some built in features are very welcome. Out of the box it has the ability to record video and take pictures (and scan barcodes), manage your calendar, track events, and connect with your phone for notifications.
There is also built in GPS as well as head tracking. GPS will allow for precise location information, and the head tracking in combination will pinpoint exactly where you are and where you're looking. This allows for augmented reality (AR), which can remind electricians which wires are live, or display other relevant information when looking at an object in the real world.
Pro Multi-platform compatibility
While the Vuzix itself runs Android, it is compatible with both Android and iOS operating systems. This broadens its consumer base, and will allow (businesses especially) more flexibility when using it.
Pro Rugged
These glasses are not only water and dust resistant, but also able to withstand drops of up to 8ft (about 2.5m).
Pro Touchpad controls
On the side of the M300 is a touchpad which is the primary input device, but is accompanied by physical buttons.
Pro Configurable mounting options
The M300 can be mounted to the frames of regular glasses, as well as safety glasses, headbands, hard hats and headsets. This makes it very versatile.
Cons
Con Project put in limbo
While Google has said they haven't scrapped Project Glass, they aren't actively developing it at the moment. For all intents and purposes, Google Glass is in limbo.
Con Poor battery life
The default compact battery will only provide a battery life around 2 hours of continuous use.
Con Designed for enterprise
While not inherently bad, these smart glasses aren't designed for consumers. They won't have the same support for apps and other useful features for general consumers, and will likely be more specialized for enterprise.