PhoneLifespan

iPhone 15 vs 13

vs

Winner

Apple iPhone 15

Lifespan decides this one: the iPhone 15 is supported until Sep 2030 at $8.41 per month of safe use, while the 13 runs out in Dec 2027 ($22.44/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: iPhone 15 62 · 13 40 — 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 $430
Safe to buy$8.41/mo
2023◆ Buy-by Sep 20282030
Xiaomi 13 $400
Avoid buying$22.44/mo
2022◆ Buy-by Dec 20252027

Category by category

Display
iPhone 15 5013 70

The 13's screen is the better one — 6.36-inch amoled, 2400 x 1080, 120hz.

Performance
iPhone 15 8013 85

The 13's Qualcomm Snapdragon 8 Gen 2 is simply the faster chip.

Camera
iPhone 15 6213 79

The 13 has the stronger camera system (3 real rear lenses vs 2).

Battery
iPhone 15 4713 70

4,500mAh vs 3,349mAh — the 13 lasts longer between charges.

Software longevity
iPhone 15 6113 21

The iPhone 15 is supported until Sep 2030 — 33 months longer than the 13.

Value
iPhone 15 6213 40

Overall value goes to the iPhone 15 at $8.41 per month of safe use.

Full spec table
SpeciPhone 1513
Price (street)$430$400
Display6.1-inch Super Retina XDR OLED, 60Hz, Dynamic Island, up to 2000 nits peak6.36-inch AMOLED, 2400 x 1080, 120Hz
ChipsetApple A16 BionicQualcomm Snapdragon 8 Gen 2
RAM6GB8GB/12GB
Storage128GB/256GB/512GB128GB/256GB/512GB
Battery3,349 mAh4,500 mAh
ChargingWired ~50% in 30 min with 20W+; MagSafe 15W wireless67W wired, 50W wireless
Rear cameras48MP main, 12MP ultra-wide50MP main, 12MP ultra-wide, 10MP telephoto 3.2x
Dimensions147.6 × 71.6 × 7.80 mm152.8 × 71.5 × 8.0 mm
Weight171 g189 g
Water resistanceIP68IP68
Supported untilSep 2030Dec 2027
iPhone 15 full verdict →13 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.