Benchmark // 3
Compare devices
Channels
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Emteq OCOsense
0
OpenBCI Cyton
Best in group
—
Varjo XR-4
Resolution bits
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Emteq OCOsense
0
OpenBCI Cyton
Best in group
—
Varjo XR-4
Price (USD)
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Emteq OCOsense
0$
OpenBCI Cyton
Lowest price
0$
Varjo XR-4
Emteq OCOsense
Emteq Labs
shipping
- Sensors
- face-EMGPPGIMU
- XR platforms
- standaloneMeta Quest
- Sampling rate
- —
- Wireless
- BLE
- SDK
- Emteq SDK (expression, valence/arousal, activity)
- Raw data access
- sensor + affect metrics via SDK
- Subscription required
- Yesanalytics platform is subscription-based
- Best for
- real-time facial expression + emotion in VR, wellbeing research
- Limitations
- no EEG; measures expression not brain activity; enterprise-only
OpenBCI Cyton
OpenBCI
shipping
- Sensors
- EEGEMG
- XR platforms
- —
- Sampling rate
- 250 Hz
- Wireless
- RFDuino USB dongle
- SDK
- GUI + BrainFlow (Python/Java/C++/C#/MATLAB/Julia/Rust/R)
- Raw data access
- unrestricted (open)
- Subscription required
- No
- Best for
- custom EEG/EMG/ECG hardware, student BCI projects
- Limitations
- bare board; assembly required; older radio architecture
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