Samsung Galaxy Watch 4: Complete Scientific Review
I tested the Samsung Galaxy Watch 4 against a scientific sleep EEG device, and tested the Blood Pressure, SpO2, Heart Rate and Step Counting accuracy. Subscribe to my weekly Newsletter(!) on www.robterhorst.com
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The EEG tracker I used is called the Hypnodyne ZMax: http://hypnodynecorp.com/ from @HypnoDyne Corp
📹Fitbit Videos📹
Fitbit Charge 3/4 Sleep: • FitBit Charge 4 Ultimate Sleep Test
Fitbit Charge 4 Heart Rate: • Fitbit Charge 4 Review: Heart Rate Ac...
Fitbit Sense First look review and test: • Fitbit Sense Accuracy (Sleep, Step co...
Fitbit Sense Heart rate: • Fitbit Sense Heart Rate Accuracy (Tes...
📹Apple watch videos📹
Sleep Cycle App: • Sleep Cycle App Review: Apple Watch S...
Steps: • Apple Watch 6 Step Counting Accuracy ...
Test: • Apple Watch 6 Accuracy (Sleep, Heart ...
📹First Garmin Venu Sq Video📹
• Garmin Venu Sq Heart Rate Accuracy (t...
📹Oura Ring videos📹
Sleep Test: • Oura Ring Scientific Sleep Test (Review)
HRV Test: • Oura Ring Review: Heart Rate Variabil...
Temperature Test: • Oura Ring Ultimate Temperature Test (...
📹Withings Scanwatch videos📹
Unboxing and first review: • Withings Scanwatch Review (Heart Rate...
Sleep test: • Withings Scanwatch Sleep Test (Review)
Heart rate test: • Withings Scanwatch Heart Rate Test (R...
Q&A with Withings: • Scanwatch Q&A: Answers from Withings
⏱️This comparison is part of a larger project where I spend over 11 hours a week tracking everything in my life. If you'd like to know more:
• This mad scientist scanned his brain ... ⏱️
Timestamps:
00:00 General intro
01:05 Galaxy Watch 4 Basic Info
02:22 Results: Sleep Test Setup
02:59 Results: Sleep Test Comparison
06:53 Results: Sleep Test Overview
08:40 Results: Waking Up/Falling Asleep
09:32 Results: Versus Other Devices
10:00 Results: Heart Rate Test Spinning
12:29 Results: Heart Rate Test Cycling
14:01 Results: Heart Rate Test Longboard
14:29 Results: Heart Rate Test Weights
16:02 Results: Blood Pressure Test
19:36 Results: Oxygen Saturation (SpO2)
21:51 Results: Step Test
22:54 Conclusions
23:37 Buy The Galaxy Watch 4?
24:15 Limitations
🎵Music🎵
(1) Not Without the Rest by Twin Musicom is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/...)
Artist: http://www.twinmusicom.org/
(2) Wonders by JVNA
(3) Can’t Sleep (YouTube Audio Library)
(4) Classique (YouTube Audio Library)
(5) Blurry Vision (YouTube Audio Library)
Person Waking up Video by Ba Tik from Pexels
