Benchmark // 3
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Channels
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Muse S Athena (Gen 3)
0
Neurosity Crown
Best in group
—
Varjo XR-4
Resolution bits
0
Muse S Athena (Gen 3)
Best in group
—
Neurosity Crown
—
Varjo XR-4
Price (USD)
0.0$
Muse S Athena (Gen 3)
Lowest price
0$
Neurosity Crown
0$
Varjo XR-4

Muse S Athena (Gen 3)
InteraXon
shipping
- Sensors
- EEGfNIRSPPGIMU
- XR platforms
- —
- Sampling rate
- 256 Hz
- Wireless
- BLE 5.3; USB-C
- SDK
- Muse SDK
- Raw data access
- via SDK / research tools
- Subscription required
- NoSDK raw EEG has no Premium requirement; app features $49.99/yr
- Best for
- EEG/fNIRS focus training, sleep studies, portable experiments
- Limitations
- still 4 standard on-head EEG channels; frontal fNIRS coverage

Neurosity Crown
Neurosity
shipping
- Sensors
- EEG
- XR platforms
- —
- Sampling rate
- 256 Hz
- Wireless
- Wi-Fi ac + BLE 4.2
- SDK
- JS/TS + Python SDK; OSC/LSL/BrainFlow/MCP
- Raw data access
- raw filtered + rawUnfiltered
- Subscription required
- NoFirst membership year included; then $29.99/mo optional
- Best for
- rapid dry-electrode BCI development, focus/neurofeedback apps
- Limitations
- 8 fixed positions; ~250 g; ADC bit depth undisclosed

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