PhoneLifespan

iPhone 13 vs iPhone 15

vs

Winner

Apple iPhone 15

Lifespan decides this one: the iPhone 15 is supported until Sep 2030 at $8.40 per month of safe use, while the iPhone 13 runs out in Sep 2028 ($9.14/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: iPhone 13 60 · iPhone 15 62 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 $249
Buy with care$9.14/mo
2021◆ Buy-by Sep 20262028
Apple iPhone 15 $430
Safe to buy$8.40/mo
2023◆ Buy-by Sep 20282030

Category by category

Display
iPhone 13 50iPhone 15 50

Both displays are effectively the same class.

Performance
iPhone 13 74iPhone 15 80

The iPhone 15's Apple A16 Bionic is simply the faster chip.

Camera
iPhone 13 52iPhone 15 62

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

Battery
iPhone 13 45iPhone 15 47

Battery capacities are close enough not to decide this.

Software longevity
iPhone 13 32iPhone 15 61

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

Value
iPhone 13 60iPhone 15 62

Pound for pound, these two are equally good deals.

Full spec table
SpeciPhone 13iPhone 15
Price (street)$249$430
Display6.1-inch Super Retina XDR OLED, 60Hz6.1-inch Super Retina XDR OLED, 60Hz, Dynamic Island, up to 2000 nits peak
ChipsetApple A15 BionicApple A16 Bionic
RAM4GB6GB
Storage128GB/256GB/512GB128GB/256GB/512GB
Battery3,240 mAh3,349 mAh
Charging20W wired (50% in ~30 min), MagSafe 15W wirelessWired ~50% in 30 min with 20W+; MagSafe 15W wireless
Rear cameras12MP main, 12MP ultra-wide48MP main, 12MP ultra-wide
Dimensions146.7 × 71.5 × 7.65 mm147.6 × 71.6 × 7.80 mm
Weight174 g171 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.