PhoneLifespan

iPhone 15 vs iPhone 16

vs

It depends

Too close to call outright

These two are within 3 points overall — it genuinely depends on price on the day. The iPhone 16 edges both longevity and performance, so prefer it when prices are close.

Value Score: iPhone 15 62 · iPhone 16 59 methodology

The lifespan decider

When specs are close, support length decides it — this is what each phone costs per month of safe use.

Apple iPhone 15 $430
Safe to buy$8.41/mo
2023◆ Buy-by Sep 20282030
Apple iPhone 16 $699
Safe to buy$11.09/mo
2024◆ Buy-by Sep 20292031

Category by category

Display
iPhone 15 50iPhone 16 50

Both displays are effectively the same class.

Performance
iPhone 15 80iPhone 16 92

The iPhone 16's Apple A18 is simply the faster chip.

Camera
iPhone 15 62iPhone 16 62

Camera systems are comparable on paper — pick by sample photos.

Battery
iPhone 15 47iPhone 16 51

3,561mAh vs 3,349mAh — the iPhone 16 lasts longer between charges.

Software longevity
iPhone 15 61iPhone 16 75

The iPhone 16 is supported until Sep 2031 — 12 months longer than the iPhone 15.

Value
iPhone 15 62iPhone 16 59

Pound for pound, these two are equally good deals.

Full spec table
SpeciPhone 15iPhone 16
Price (street)$430$699
Display6.1-inch Super Retina XDR OLED, 60Hz, Dynamic Island, up to 2000 nits peak6.1-inch Super Retina XDR OLED, 60Hz, up to 2000 nits peak
ChipsetApple A16 BionicApple A18
RAM6GB8GB
Storage128GB/256GB/512GB128GB/256GB/512GB
Battery3,349 mAh3,561 mAh
ChargingWired ~50% in 30 min with 20W+; MagSafe 15W wirelessWired fast charge — 50% in ~30 min with 20W+ adapter; MagSafe wireless up to 25W
Rear cameras48MP main, 12MP ultra-wide48MP main, 12MP ultra-wide
Dimensions147.6 × 71.6 × 7.80 mm147.6 × 71.6 × 7.8 mm
Weight171 g170 g
Water resistanceIP68IP68
Supported untilSep 2030Sep 2031

Scores and verdicts are computed from our verified database — see exactly how. Specs from manufacturer documentation; prices reflect major US retailers.