Benchmark // 3
Compare devices
Channels
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Varjo XR-4
0
EMOTIV EPOC X
Best in group
0
Cognixion ONE (Axon-R)
Resolution bits
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Varjo XR-4
0
EMOTIV EPOC X
Best in group
—
Cognixion ONE (Axon-R)
Price (USD)
0$
Varjo XR-4
0$
EMOTIV EPOC X
Lowest price
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Cognixion ONE (Axon-R)

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

EMOTIV EPOC X
EMOTIV
shipping
- Sensors
- EEGIMU
- XR platforms
- —
- Sampling rate
- 128/256 Hz
- Wireless
- BT 5.0 + dongle
- SDK
- Cortex
- Raw data access
- via paid Premium Developer API
- Subscription required
- YesPremium Developer API licence required for real-time raw EEG in a custom app
- Best for
- mobile whole-head research, ERP/BCI experiments
- Limitations
- fixed montage; saline dries; sequential sampling; raw-data licensing

Cognixion ONE (Axon-R)
Cognixion
beta
- Sensors
- EEGIMUeye-tracking
- XR platforms
- standalone
- Sampling rate
- —
- Wireless
- standalone AR unit
- SDK
- Cognixion research SDK
- Raw data access
- via research programme
- Subscription required
- No
- Best for
- hands-free AR speech generation via SSVEP BCI
- Limitations
- assistive-focused; research/clinical access; SSVEP fatigue