Benchmark // 3
Compare devices
Channels
0
OpenBCI Galea
Best in group
0
Cognixion ONE (Axon-R)
—
Varjo XR-4
Resolution bits
0
OpenBCI Galea
Best in group
—
Cognixion ONE (Axon-R)
—
Varjo XR-4
Price (USD)
0$
OpenBCI Galea
—
Cognixion ONE (Axon-R)
0$
Varjo XR-4
Lowest price
OpenBCI Galea
OpenBCI
shipping
- Sensors
- EEGEOGEMGPPGEDAeye-trackingpupillometry
- XR platforms
- Varjo
- Sampling rate
- up to 500 Hz
- Wireless
- Wi-Fi; LSL/UDP/OSC
- SDK
- C/C++ SDK + BrainFlow; Unity/Unreal
- Raw data access
- full multimodal
- Subscription required
- No
- Best for
- VR/AR neuroscience, HCI, synchronized EEG + eye tracking + face EMG + EDA
- Limitations
- very expensive; 10 EEG channels; tied to the Varjo ecosystem
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
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