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Smartwatches: LTE (cellular) + ECG

72 models from 9 brands, 2020–2026 — every model in the catalog with these features, best scores first.

LTE (cellular)ECG
Models72
Brands9
Newest2026
Median score7.9
Sorted by score

Smartwatches: LTE (cellular) + ECG — best rated

72
1 Honor Watch 4
Honor · 2023
Watch 4
1.75″10 days5 ATM32 g
9.5
2 Huawei Watch Ultimate 2
Huawei · 2025
Watch Ultimate 2
1.5″14 days20 ATM80.5 g
9.5
3 Samsung Galaxy Watch Ultra2
Samsung · 2026
Galaxy Watch Ultra2
1.52″10 ATM61.5 g
9.4
4 Apple Watch Series 10 Aluminum
Apple · 2024
Watch Series 10 Aluminum
1.96″5 ATM29.3 g
9.4
5 Apple Watch Series 11 Aluminum
Apple · 2025
Watch Series 11 Aluminum
1.96″5 ATM29.7 g
9.3
6 Apple Watch Series 9 Aluminum
Apple · 2023
Watch Series 9 Aluminum
1.9″5 ATM31.9 g
9.2
7 Samsung Galaxy Watch Ultra
Samsung · 2024
Galaxy Watch Ultra
1.5″10 ATM60.5 g
9.2
8 Vivo Watch 3
Vivo · 2023
Watch 3
1.43″5 ATM36 g
9.1
9 Apple Watch Series 8 Aluminum
Apple · 2022
Watch Series 8 Aluminum
1.9″5 ATM32 g
9.1
10 Apple Watch Series 7 Aluminum
Apple · 2021
Watch Series 7 Aluminum
1.9″5 ATM32 g
9.1
11 Huawei Watch Ultimate Design Spring
Huawei · 2026
Watch Ultimate Design Spring
1.38″5 ATM91 g
9.1
12 Apple Watch Series 12 Aluminum
Apple · 2026
Watch Series 12 Aluminum
1.96″5 ATM39.5 g
9.1
13 Samsung Galaxy Watch9
Samsung · 2026
Galaxy Watch9
1.47″5 ATM34 g
9.0
14 Apple Watch Edition Series 7
Apple · 2021
Watch Edition Series 7
1.9″5 ATM37 g
9.0
15 OPPO Watch 4 Pro
OPPO · 2023
Watch 4 Pro
1.91″5 ATM52.3 g
8.9
16 Apple Watch Series 6 Aluminum
Apple · 2020
Watch Series 6 Aluminum
1.78″5 ATM36.5 g
8.9
17 Samsung Galaxy Watch6
Samsung · 2023
Galaxy Watch6
1.5″5 ATM33.3 g
8.8
18 Huawei Watch 6
Huawei · 2026
Watch 6
1.5″11 days5 ATM38 g
8.8
19 Garmin Fenix 9 Pro inReach 51mm
Garmin · 2026
Fenix 9 Pro inReach 51mm
1.5″31 days10 ATM99 g
8.8
20 Garmin Fenix 8 Pro 51mm AMOLED
Garmin · 2025
Fenix 8 Pro 51mm AMOLED
1.4″27 days10 ATM90 g
8.8
21 Apple Watch Edition Series 6
Apple · 2020
Watch Edition Series 6
1.78″5 ATM41.3 g
8.8
22 Google Pixel Watch 5
Google · 2026
Pixel Watch 5
1.4″1 days5 ATM31 g
8.7
23 Google Pixel Watch 4
Google · 2025
Pixel Watch 4
1.4″1 days5 ATM31 g
8.7
24 Garmin D2 Mach 2 Pro
Garmin · 2026
D2 Mach 2 Pro
1.4″24 days10 ATM90 g
8.7

Brands in this collection

Apple21Garmin16Samsung15Huawei7Google5Xiaomi3Honor2OPPO2
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