PhoneLifespan

iPhone 15 Plus vs iPhone 16 Pro Max

vs

It depends

Too close to call outright

These two are within 4 points overall — it genuinely depends on price on the day. The iPhone 16 Pro Max edges both longevity and performance, so prefer it when prices are close.

Value Score: iPhone 15 Plus 67 · iPhone 16 Pro Max 71 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 Plus $403
Safe to buy$7.85/mo
2023◆ Buy-by Sep 20282030
Apple iPhone 16 Pro Max $649
Safe to buy$10.26/mo
2024◆ Buy-by Sep 20292031

Category by category

Display
iPhone 15 Plus 50iPhone 16 Pro Max 80

The iPhone 16 Pro Max's screen is the better one — 6.9-inch super retina xdr oled, promotion 1–120hz, up to 2000 nits peak.

Performance
iPhone 15 Plus 80iPhone 16 Pro Max 95

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

Camera
iPhone 15 Plus 62iPhone 16 Pro Max 74

The iPhone 16 Pro Max has the stronger camera system (3 real rear lenses vs 2).

Battery
iPhone 15 Plus 68iPhone 16 Pro Max 74

4,685mAh vs 4,383mAh — the iPhone 16 Pro Max lasts longer between charges.

Software longevity
iPhone 15 Plus 61iPhone 16 Pro Max 75

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

Value
iPhone 15 Plus 67iPhone 16 Pro Max 71

Overall value goes to the iPhone 16 Pro Max at $10.26 per month of safe use.

Full spec table
SpeciPhone 15 PlusiPhone 16 Pro Max
Price (street)$403$649
Display6.7-inch Super Retina XDR OLED, 60Hz, up to 2000 nits peak6.9-inch Super Retina XDR OLED, ProMotion 1–120Hz, up to 2000 nits peak
ChipsetApple A16 BionicApple A18 Pro
RAM6GB8GB
Storage128GB/256GB/512GB256GB/512GB/1TB
Battery4,383 mAh4,685 mAh
Charging20W+ wired (50% in ~30 min), MagSafe 15W wireless, Qi 7.5WWired fast charge — 50% in ~30 min with a 20W+ adapter; MagSafe wireless up to 25W
Rear cameras48MP main, 12MP ultra-wide48MP main, 48MP ultra-wide, 12MP periscope 5x
Dimensions160.9 × 77.8 × 7.8 mm163 × 77.6 × 8.25 mm
Weight201 g227 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.