PhoneLifespan

iPhone 15 vs 13T

vs

Winner

Apple iPhone 15

Lifespan decides this one: the iPhone 15 is supported until Sep 2030 at $8.38 per month of safe use, while the 13T runs out in Sep 2028 ($12.75/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: iPhone 15 62 · 13T 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 $430
Safe to buy$8.38/mo
2023◆ Buy-by Sep 20282030
Xiaomi 13T $350
Buy with care$12.75/mo
2023◆ Buy-by Sep 20262028

Category by category

Display
iPhone 15 5013T 70

The 13T's screen is the better one — 6.67-inch amoled, 2712 x 1220, 144hz.

Performance
iPhone 15 8013T 75

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

Camera
iPhone 15 6213T 79

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

Battery
iPhone 15 4713T 80

5,000mAh vs 3,349mAh — the 13T lasts longer between charges.

Software longevity
iPhone 15 6113T 33

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

Value
iPhone 15 6213T 69

Overall value goes to the 13T at $12.75 per month of safe use.

Full spec table
SpeciPhone 1513T
Price (street)$430$350
Display6.1-inch Super Retina XDR OLED, 60Hz, Dynamic Island, up to 2000 nits peak6.67-inch AMOLED, 2712 x 1220, 144Hz
ChipsetApple A16 BionicMediaTek Dimensity 8200 Ultra
RAM6GB8GB/12GB
Storage128GB/256GB/512GB256GB
Battery3,349 mAh5,000 mAh
ChargingWired ~50% in 30 min with 20W+; MagSafe 15W wireless67W wired
Rear cameras48MP main, 12MP ultra-wide50MP main, 12MP ultra-wide, 50MP telephoto 2x
Dimensions147.6 × 71.6 × 7.80 mm162.2 × 75.7 × 8.5 mm
Weight171 g197 g
Water resistanceIP68IP68
Supported untilSep 2030Sep 2028
iPhone 15 full verdict →13T 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.