The short verdict
Scores pending
We haven’t scored these yet. Use the measured differences and full specs below.
Watch Series 4—
Watch Ultra—
Choose the Watch Series 4 if
- Health-focused buyers who want ECG and fall detection
Choose the Watch Ultra if
- Larger screen (1.92 vs 1.78 in)
- Cheaper today ($79.99 vs $175)
Key differences
Measured differences only. Ties and tiny gaps are left out.
Why pick theWatch Series 42 wins−0.1"Easier one-handed use1.8" vs 1.9"
−13 gLighter in the hand48 vs 61 g
Check priceBest price · eBay · check the store for today’s priceCheck price at eBay ↗
Why pick theWatch Ultra2 wins+8%Larger screen1.92 vs 1.78 in
−$95.01Cheaper today$79.99 vs $175
Check priceBest price · eBay · check the store for today’s priceCheck price at eBay ↗
Full specs
Side-by-side specifications
Specs verified against manufacturer data. Prices in USD before tax; we may earn a commission from qualifying purchases.
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