Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Bigscreen - Beyond 2 | ByteDance - Pico 4 Ultra |
|---|---|---|
| Field of view | 116 ° | 105 ° |
| Color passthrough | false | true |
| Standalone | false | true |
Between the Beyond 2 and Pico 4 Ultra, the Beyond 2 comes out ahead in field of view, while the Pico 4 Ultra wins on color passthrough / standalone. Overall, the Beyond 2 scores 50.5 and the Pico 4 Ultra scores 70.6 on our Mars Score.
Which should you buy?
The Pico 4 Ultra is the clear pick on raw spec strength, leading by 20.1 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the Beyond 2 if you care most about field of view. The biggest gaps in its favor are field of view. The single most decisive one: Field of view — 10.48% more. 116 ° vs 105 °.
Pick the Pico 4 Ultra if you care most about color passthrough / standalone. Its strongest claims are color passthrough, standalone. The single most decisive one: Has Color passthrough.
Both ship with comparable refresh rate, eye tracking, so those specs do not separate the two — focus on the differences below.
Bottom line: the Pico 4 Ultra is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Which should you buy: Bigscreen - Beyond 2 or ByteDance - Pico 4 Ultra?
ByteDance - Pico 4 Ultra leads the current Mars Score by 20.1 points.The more useful decision is the trade-off behind that result: compare field of view, standalone against the way you will actually use the product.
Choose Bigscreen - Beyond 2 if…
Bigscreen - Beyond 2 has the measurable edge on fov deg.
Choose ByteDance - Pico 4 Ultra if…
ByteDance - Pico 4 Ultra has the measurable edge on has passthrough color, is standalone.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why Bigscreen - Beyond 2 wins
- ▲Field of view — 10.48% more. 116 ° vs 105 °.
Why ByteDance - Pico 4 Ultra wins
- ▲Has Color passthrough.
- ▲Standalone: true (vs false).
Spec comparison
Display
| Spec | Bigscreen - Beyond 2 | ByteDance - Pico 4 Ultra |
|---|---|---|
| Resolution per eye | 2560x2560 | 2160x2160 |
| Refresh rateⓘ | 90 Hz | 90 Hz |
| Field of view | 116 °lead | 105 ° |
| Panelⓘ | Micro-OLEDlead | LCD |
Tracking & Audio
| Spec | Bigscreen - Beyond 2 | ByteDance - Pico 4 Ultra |
|---|---|---|
| Inside-out tracking | false | truelead |
| Eye tracking | true | true |
| Face tracking | false | truelead |
| Color passthrough | false | truelead |
Compute
| Spec | Bigscreen - Beyond 2 | ByteDance - Pico 4 Ultra |
|---|---|---|
| Standalone | false | truelead |
| Battery | 0 h | 2.5 hlead |