The short verdict
Watch Ultra 4 is scored, the other is pending
We haven’t scored the Watch Series 4 yet. Compare the measured differences and prices below.
Watch Series 4—
Watch Ultra 48.3
Choose the Watch Series 4 if
- Health-focused buyers who want ECG and fall detection
Choose the Watch Ultra 4 if
- iPhone owners who hike, dive or run long and want Apple's longest battery and satellite messaging.
Key differences
Measured differences only. Ties and tiny gaps are left out.
Why pick theWatch Series 43 wins−0.1"Easier one-handed use1.8" vs 1.9"
−15 gLighter in the hand48 vs 63 g
−$515Cheaper today$175 vs $690
Check priceBest price · eBay · check the store for today’s priceCheck price at eBay ↗
Why pick theWatch Ultra 42 wins+200%Brighter screen outdoors3,000 vs 1,000 nits peak
+8%Larger screen1.92 vs 1.78 in
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.
Community
One vote per person. Results appear after you vote.