Benchmark // 3
Compare devices
Channels
—
Varjo XR-4
0
OpenBCI Galea
Best in group
0
OpenBCI Cyton
Resolution bits
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Varjo XR-4
0
OpenBCI Galea
Best in group
0
OpenBCI Cyton
Best in group
Price (USD)
0$
Varjo XR-4
0$
OpenBCI Galea
0$
OpenBCI Cyton
Lowest price
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
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
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