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Varjo XR-4
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HP Reverb G2 Omnicept Edition
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Varjo XR-4
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HP Reverb G2 Omnicept Edition
Price (USD)
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Varjo XR-4
Lowest price
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HP Reverb G2 Omnicept Edition

Varjo XR-4
Varjo
shipping
- Sensors
- eye-trackingpupillometryIMU
- XR platforms
- standaloneVarjo
- Sampling rate
- 200 (eye tracking) Hz
- Wireless
- tethered (DisplayPort/USB-C)
- SDK
- Varjo SDK; OpenXR; eye-tracking API
- Raw data access
- eye/gaze data via SDK
- Subscription required
- Yessome enterprise features need a Varjo subscription
- Best for
- high-fidelity MR, the hardware base Galea builds on, gaze research
- Limitations
- no neural sensing itself; tethered; enterprise pricing

discontinued
- Sensors
- PPGeye-trackingpupillometryface-EMG
- XR platforms
- standalone
- Sampling rate
- —
- Wireless
- tethered
- SDK
- Omnicept SDK (cognitive load, attention)
- Raw data access
- sensor + inferred metrics via SDK
- Subscription required
- NoOmnicept licensing applied for commercial deployment
- Best for
- historical reference for physiological VR; cognitive-load research
- Limitations
- discontinued; no EEG; Windows Mixed Reality platform wound down