Best Samsung Smart Watch for ECG functionality

ECG functionality Decision Dashboard

Safest pick

Samsung Galaxy Watch 8

4.4 feature score

Balances feature score, supporting reviews, and overall product strength.

Most evidence

Samsung Galaxy Watch 6

4 supporting reviews

Has the broadest review evidence for this feature.

Best overall product

Samsung Galaxy Watch 7

4.0 overall score

Strongest overall product among items with scored evidence for this feature.

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#1 Samsung Galaxy Watch Ultra (2025)
4.5
1 review

ECG is treated positively as part of Samsung Health Monitor’s useful health-tool set rather than as a deeply tested medical feature.

Pros: LTE connectivity, pairing reliability

Cons: antioxidant index, blood oxygen tracking

#2 Samsung Galaxy Watch 8
4.4
3 reviews

ECG functionality was viewed as dependable and easy to use, with reviewers noting accessible readings and clear reports.

Pros: third-party app support, heart rate accuracy

Cons: music controls, cross-platform compatibility

#3 Samsung Galaxy Watch FE
4.0
1 review

The ECG app was treated as a meaningful differentiator against similarly priced competitors, though the reviews did not deeply test ECG accuracy.

Pros: materials quality, workout tracking variety

Cons: size options, cross-platform compatibility

#4 Samsung Galaxy Watch 7
3.5
1 review

ECG functionality is considered reliable where available, but reviewers noted it is tied to Samsung-phone requirements.

Pros: display quality, durability

Cons: cross-platform compatibility, antioxidant index

#5 Samsung Galaxy Watch Ultra (2024)
3.0
1 review

ECG evidence was limited and lukewarm, with one reviewer finding it interesting but not personally necessary.

Pros: build quality, software smoothness

Cons: stress tracking, blood oxygen tracking

#6 Samsung Galaxy Watch 6
2.9
4 reviews

ECG functionality was seen as potentially valuable but limited by Samsung-phone restrictions, confusing result presentation, and low personal usefulness for some reviewers.

Pros: voice assistant quality, music controls

Cons: blood oxygen tracking, cross-platform compatibility