PhoneLifespan

iPhone 15 Pro Max vs iPhone 17 Pro Max

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Winner

Apple iPhone 17 Pro Max

The iPhone 17 Pro Max wins this one, taking software longevity and battery decisively. Against the iPhone 15 Pro Max it's also the sounder buy at $15.94 per month of safe use.

Value Score: iPhone 15 Pro Max 63 · iPhone 17 Pro Max 69 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 Pro Max $760
Safe to buy$14.81/mo
2023◆ Buy-by Sep 20282030
Apple iPhone 17 Pro Max $1199
Safe to buy$15.94/mo
2025◆ Buy-by Sep 20302032

Category by category

Display
iPhone 15 Pro Max 80iPhone 17 Pro Max 90

The iPhone 17 Pro Max's screen is the better one — 6.9-inch super retina xdr oled, promotion 1–120hz, up to 3000 nits peak.

Performance
iPhone 15 Pro Max 88iPhone 17 Pro Max 100

The iPhone 17 Pro Max's Apple A19 Pro is simply the faster chip.

Camera
iPhone 15 Pro Max 74iPhone 17 Pro Max 74

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

Battery
iPhone 15 Pro Max 68iPhone 17 Pro Max 82

5,088mAh vs 4,422mAh — the iPhone 17 Pro Max lasts longer between charges.

Software longevity
iPhone 15 Pro Max 61iPhone 17 Pro Max 90

The iPhone 17 Pro Max is supported until Sep 2032 — 24 months longer than the iPhone 15 Pro Max.

Value
iPhone 15 Pro Max 63iPhone 17 Pro Max 69

Overall value goes to the iPhone 17 Pro Max at $15.94 per month of safe use.

Full spec table
SpeciPhone 15 Pro MaxiPhone 17 Pro Max
Price (street)$760$1199
Display6.7-inch Super Retina XDR OLED, 120Hz ProMotion, Always-On, Dynamic Island, up to 2000 nits peak6.9-inch Super Retina XDR OLED, ProMotion 1–120Hz, up to 3000 nits peak
ChipsetApple A17 ProApple A19 Pro
RAM8GB12GB
Storage256GB/512GB/1TB256GB/512GB/1TB/2TB
Battery4,422 mAh5,088 mAh
ChargingWired ~50% in 30 min with 20W+; MagSafe 15W wirelessWired fast charge — 50% in ~20 min with a 40W+ adapter; MagSafe wireless up to 25W (Qi2.2)
Rear cameras48MP main, 12MP ultra-wide, 12MP telephoto48MP main, 48MP ultra-wide, 48MP telephoto 4x
Dimensions159.9 × 76.7 × 8.25 mm163.4 × 78 × 8.75 mm
Weight221 g233 g
Water resistanceIP68IP68
Supported untilSep 2030Sep 2032

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