Halliday G2 vs SmartXY AR99
Hesitating between the Halliday G2 and the SmartXY AR99? Here are both models side by side, using the specs and prices from our benchmark.
Key differences
- SmartXY AR99 is 21 g lighter than Halliday G2.
- Halliday G2 lasts 9 h longer on a charge than SmartXY AR99.
Specifications
| Halliday G2 | SmartXY AR99 | |
|---|---|---|
| Type | HUD glasses | HUD glasses |
| Status | Pre-order | On sale |
| Price | $599 | - |
| Release date | September 2026 | September 2026 |
| Weight | 49 g | 28 g |
| Display | Binocular waveguide, dual micro-LED projectors, monochrome green | Monocular single-green Micro-LED, VHG waveguide |
| Resolution | 600x300 per eye | 640 x 480 |
| Brightness | 1,600 nits | 2,000 nits |
| Camera | No | No |
| Battery (glasses) | 12 h | 3 h |
| On-device AI | No | No |
| Microphones | 4-mic array, 2 m voice pickup | - |
| Needs a cable | No | Yes |
| Field of view | - | 30° |
| Refresh rate | - | 30 Hz |
| AI assistant | - | Mentra OS support, AI runs on paired phone or partner app |
| Chip | - | 0.12cc Micro-LED light engine, phone-tethered |
| Connectivity | - | Bluetooth, phone-tethered |
Best for: Halliday G2
The Halliday G2 is best for professionals who need a camera-free wearable for meeting transcripts, live captioning, and translation.
Best for: SmartXY AR99
Commercial partners and enterprise clients seeking a lightweight, camera-free heads-up display for branded pilots and white-label deployments.