PhoneLifespan

iPhone 13 Pro Max vs iPhone 15 Pro Max

vs

Winner

Apple iPhone 15 Pro Max

Lifespan decides this one: the iPhone 15 Pro Max is supported until Sep 2030 at $14.81 per month of safe use, while the iPhone 13 Pro Max runs out in Sep 2028 ($13.98/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: iPhone 13 Pro Max 63 · iPhone 15 Pro Max 63 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 13 Pro Max $383
Buy with care$13.98/mo
2021◆ Buy-by Sep 20262028
Apple iPhone 15 Pro Max $760
Safe to buy$14.81/mo
2023◆ Buy-by Sep 20282030

Category by category

Display
iPhone 13 Pro Max 80iPhone 15 Pro Max 80

Both displays are effectively the same class.

Performance
iPhone 13 Pro Max 74iPhone 15 Pro Max 88

The iPhone 15 Pro Max's Apple A17 Pro is simply the faster chip.

Camera
iPhone 13 Pro Max 64iPhone 15 Pro Max 74

The iPhone 15 Pro Max has the stronger camera system — same lens count, higher-grade sensors.

Battery
iPhone 13 Pro Max 67iPhone 15 Pro Max 68

Battery capacities are close enough not to decide this.

Software longevity
iPhone 13 Pro Max 33iPhone 15 Pro Max 61

The iPhone 15 Pro Max is supported until Sep 2030 — 24 months longer than the iPhone 13 Pro Max.

Value
iPhone 13 Pro Max 63iPhone 15 Pro Max 63

Pound for pound, these two are equally good deals.

Full spec table
SpeciPhone 13 Pro MaxiPhone 15 Pro Max
Price (street)$383$760
Display6.7-inch Super Retina XDR OLED, ProMotion 120Hz, 1200 nits HDR peak6.7-inch Super Retina XDR OLED, 120Hz ProMotion, Always-On, Dynamic Island, up to 2000 nits peak
ChipsetApple A15 BionicApple A17 Pro
RAM6GB8GB
Storage128GB/256GB/512GB/1TB256GB/512GB/1TB
Battery4,352 mAh4,422 mAh
Charging20W wired (50% in ~30 min), MagSafe 15W wirelessWired ~50% in 30 min with 20W+; MagSafe 15W wireless
Rear cameras12MP main, 12MP ultra-wide, 12MP telephoto 3x48MP main, 12MP ultra-wide, 12MP telephoto
Dimensions160.8 × 78.1 × 7.65 mm159.9 × 76.7 × 8.25 mm
Weight240 g221 g
Water resistanceIP68IP68
Supported untilSep 2028Sep 2030

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