Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | HTC - Vive Focus Vision | Valve - Index |
|---|---|---|
| Refresh rate | 120 Hz | 144 Hz |
| Field of view | 120 ° | 130 ° |
| Eye tracking | true | false |
| Color passthrough | true | false |
| Standalone | true | false |
Between the Vive Focus Vision and Index, the Vive Focus Vision comes out ahead in eye tracking / color passthrough, while the Index wins on refresh rate / field of view. Overall, the Vive Focus Vision scores 77.6 and the Index scores 65.4 on our Mars Score.
Which should you buy?
The Vive Focus Vision is the clear pick on raw spec strength, leading by 12.2 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 Vive Focus Vision if you care most about eye tracking / color passthrough. The biggest gaps in its favor are eye tracking, color passthrough, standalone. The single most decisive one: Has Eye tracking.
Pick the Index if the display is what you stare at all day — refresh rate, brightness, or sharpness is where the difference will be most visible. Its strongest claims are refresh rate, field of view. The single most decisive one: Refresh rate — 20.00% more. 144 Hz vs 120 Hz.
There are no meaningful ties on the headline specs — every popular-comparison metric has a winner.
Bottom line: the Vive Focus Vision 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: HTC - Vive Focus Vision or Valve - Index?
HTC - Vive Focus Vision leads the current Mars Score by 12.2 points.The more useful decision is the trade-off behind that result: compare refresh rate, field of view, standalone against the way you will actually use the product.
Choose HTC - Vive Focus Vision if…
HTC - Vive Focus Vision has the measurable edge on has eye tracking, has passthrough color, is standalone.
Choose Valve - Index if…
Valve - Index has the measurable edge on refresh rate hz, fov deg.
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 HTC - Vive Focus Vision wins
- ▲Has Eye tracking.
- ▲Has Color passthrough.
- ▲Standalone: true (vs false).
Why Valve - Index wins
- ▲Refresh rate — 20.00% more. 144 Hz vs 120 Hz.
- ▲Field of view — 8.33% more. 130 ° vs 120 °.
Spec comparison
Display
| Spec | HTC - Vive Focus Vision | Valve - Index |
|---|---|---|
| Resolution per eye | 2448x2448 | 1440x1600 |
| Refresh rateⓘ | 120 Hz | 144 Hzlead |
| Field of view | 120 ° | 130 °lead |
| Panelⓘ | LCD | LCD |
Tracking & Audio
| Spec | HTC - Vive Focus Vision | Valve - Index |
|---|---|---|
| Inside-out tracking | truelead | false |
| Eye tracking | truelead | false |
| Face tracking | false | false |
| Color passthrough | truelead | false |
Compute
| Spec | HTC - Vive Focus Vision | Valve - Index |
|---|---|---|
| Standalone | truelead | false |
| Battery | 2.0 hlead | 0 h |