Benchmark // 3
Compare devices
Channels
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Varjo XR-4
0
EMOTIV Insight 2.0
0
OpenBCI Galea
Best in group
Resolution bits
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Varjo XR-4
0
EMOTIV Insight 2.0
0
OpenBCI Galea
Best in group
Price (USD)
0$
Varjo XR-4
0$
EMOTIV Insight 2.0
Lowest price
0$
OpenBCI Galea

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 Insight 2.0
EMOTIV
shipping
- Sensors
- EEGIMU
- XR platforms
- —
- Sampling rate
- 128 Hz
- Wireless
- BLE 5 + 2.4GHz dongle
- SDK
- Cortex JSON/WebSocket
- Raw data access
- included (consumer entitlement)
- Subscription required
- NoNo extra API licence; EmotivPRO optional for advanced recording
- Best for
- portable BCI development, teaching, neurofeedback prototypes
- Limitations
- 5 fixed locations; 128 Hz ceiling; proprietary ecosystem

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