PhoneLifespan

iPhone 16 vs 15 Ultra

vs

Winner

Apple iPhone 16

Lifespan decides this one: the iPhone 16 is supported until Sep 2031 at $11.05 per month of safe use, while the 15 Ultra runs out in Mar 2030 ($30.26/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: iPhone 16 59 · 15 Ultra 65 — 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 16 $699
Safe to buy$11.05/mo
2024◆ Buy-by Sep 20292031
Xiaomi 15 Ultra $1350
Safe to buy$30.26/mo
2025◆ Buy-by Mar 20282030

Category by category

Display
iPhone 16 5015 Ultra 100

The 15 Ultra's screen is the better one — 6.73-inch 2k (1440×3200) ltpo amoled, 1–120hz, up to 3200 nits peak.

Performance
iPhone 16 9215 Ultra 98

The 15 Ultra's Qualcomm Snapdragon 8 Elite (3nm) is simply the faster chip.

Camera
iPhone 16 6215 Ultra 96

The 15 Ultra has the stronger camera system (4 real rear lenses vs 2).

Battery
iPhone 16 5115 Ultra 88

5,410mAh vs 3,561mAh — the 15 Ultra lasts longer between charges.

Software longevity
iPhone 16 7515 Ultra 53

The iPhone 16 is supported until Sep 2031 — 19 months longer than the 15 Ultra.

Value
iPhone 16 5915 Ultra 65

Overall value goes to the 15 Ultra at $30.26 per month of safe use.

Full spec table
SpeciPhone 1615 Ultra
Price (street)$699$1350
Display6.1-inch Super Retina XDR OLED, 60Hz, up to 2000 nits peak6.73-inch 2K (1440×3200) LTPO AMOLED, 1–120Hz, up to 3200 nits peak
ChipsetApple A18Qualcomm Snapdragon 8 Elite (3nm)
RAM8GB16GB
Storage128GB/256GB/512GB512GB/1TB
Battery3,561 mAh5,410 mAh
ChargingWired fast charge — 50% in ~30 min with 20W+ adapter; MagSafe wireless up to 25W90W wired, 80W wireless
Rear cameras48MP main, 12MP ultra-wide50MP main, 50MP ultra-wide, 50MP telephoto (70mm floating), 200MP periscope telephoto
Dimensions147.6 × 71.6 × 7.8 mm161.3 × 75.3 × 9.35 mm
Weight170 g226 g
Water resistanceIP68IP68
Supported untilSep 2031Mar 2030
iPhone 16 full verdict →15 Ultra full verdict →Longevity master board →

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