Can you compare the raw PPG sensor accuracy and sampling frequency of the latest Pixel Watch against the Garmin Fenix 7 for interval training?
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The searches the AI actually ran for this prompt.
SEED QUERY
Can you compare the raw PPG sensor accuracy and sampling frequency of the latest Pixel Watch against the Garmin Fenix 7 for interval training?
2 real searches · 1 real-search pass
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
ChatGPT real searches (2)
Classes come from the query-classifier (a local Laya model). 2 of 2 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
Searches and sources
ChatGPT2 real searches · gpt-6
Pixel Watch 4 PPG sampling frequency raw optical heart rate sensor sampling rate interval workout accuracy 2026 Google ↗
Garmin Fenix 7 optical heart rate PPG sampling frequency raw data sampling rate accuracy interval training study Google ↗
- Pixel Watch: Robust Heart Rate Sensing from Multipath PPG and On-Device Deep Learning Trained on 10,000 hours of Free-Living and Fitness Data · research.google
- Pixel Watch: Robust Heart Rate Sensing From Multipath PPG and On-Device Deep Learning Trained on 10 000 Hours of Free-Living and Fitness Data | IEEE Journals & Magazine · xplorestaging.ieee.org
- Google Pixel Watch technical & device specifications · support.google.com
- Google Pixel Watch 4 · store.google.com
- Garmin Smartwatches Measure Heart Rate Every Second · garmin.com
- Accuracy · garmin.com
- Garmin Fenix 7 review: The best of the best · expertreviews.co.uk
- Garmin Fénix 7® Underestimates Performance at the Lactate Threshold in Comparison to Standardized Blood Lactate Field Test · pmc.ncbi.nlm.nih.gov
Queries
2 queries · click a column to sort
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
Pixel Watch 4 PPG sampling frequency raw optical heart rate sensor sampling rate interval workout accuracy 2026 OBSERVED | Google ↗ AI Mode ↗ | — | Other / navigational | — | — | 1x of 1 | |
Garmin Fenix 7 optical heart rate PPG sampling frequency raw data sampling rate accuracy interval training study OBSERVED | Google ↗ AI Mode ↗ | — | Reason | — | — | 1x of 1 |