PhoneLifespan

iPhone 15 vs Galaxy S25

vs

Winner

Samsung Galaxy S25

The Galaxy S25 wins this one, taking display and software longevity decisively. Against the iPhone 15 it's also the sounder buy at $8.86 per month of safe use.

Value Score: iPhone 15 62 · Galaxy S25 75 — 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
Samsung Galaxy S25 $599
Safe to buy$8.86/mo
2025◆ Buy-by Feb 20302032

Category by category

Display
iPhone 15 50Galaxy S25 90

The Galaxy S25's screen is the better one — 6.2-inch dynamic ltpo amoled 2x, fhd+, 1–120hz, up to 2600 nits.

Performance
iPhone 15 80Galaxy S25 98

The Galaxy S25's Snapdragon 8 Elite for Galaxy is simply the faster chip.

Camera
iPhone 15 62Galaxy S25 79

The Galaxy S25 has the stronger camera system (3 real rear lenses vs 2).

Battery
iPhone 15 47Galaxy S25 60

4,000mAh vs 3,349mAh — the Galaxy S25 lasts longer between charges.

Software longevity
iPhone 15 61Galaxy S25 81

The Galaxy S25 is supported until Feb 2032 — 17 months longer than the iPhone 15.

Value
iPhone 15 62Galaxy S25 75

Overall value goes to the Galaxy S25 at $8.86 per month of safe use.

Full spec table
SpeciPhone 15Galaxy S25
Price (street)$430$599
Display6.1-inch Super Retina XDR OLED, 60Hz, Dynamic Island, up to 2000 nits peak6.2-inch Dynamic LTPO AMOLED 2X, FHD+, 1–120Hz, up to 2600 nits
ChipsetApple A16 BionicSnapdragon 8 Elite for Galaxy
RAM6GB12GB
Storage128GB/256GB/512GB128GB/256GB/512GB
Battery3,349 mAh4,000 mAh
ChargingWired ~50% in 30 min with 20W+; MagSafe 15W wireless25W wired, 15W wireless (Qi2 Ready), 4.5W reverse wireless
Rear cameras48MP main, 12MP ultra-wide50MP main, 12MP ultra-wide, 10MP telephoto 3x
Dimensions147.6 × 71.6 × 7.80 mm146.9 × 70.5 × 7.2 mm
Weight171 g162 g
Water resistanceIP68IP68
Supported untilSep 2030Feb 2032
iPhone 15 full verdict →Galaxy S25 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.