PhoneLifespan

iPhone 17 Pro vs 15

vs

It depends

Too close to call outright

These two are within 1 point overall — it genuinely depends on price on the day. The iPhone 17 Pro edges both longevity and performance, so prefer it when prices are close.

Value Score: iPhone 17 Pro 68 · 15 67 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 17 Pro $1099
Safe to buy$14.61/mo
2025◆ Buy-by Sep 20302032
Xiaomi 15 $750
Safe to buy$16.81/mo
2025◆ Buy-by Mar 20282030

Category by category

Display
iPhone 17 Pro 9015 90

Both displays are effectively the same class.

Performance
iPhone 17 Pro 10015 98

Performance is a wash — same chip tier.

Camera
iPhone 17 Pro 7415 79

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

Battery
iPhone 17 Pro 6515 85

5,240mAh vs 4,252mAh — the 15 lasts longer between charges.

Software longevity
iPhone 17 Pro 9015 53

The iPhone 17 Pro is supported until Sep 2032 — 31 months longer than the 15.

Value
iPhone 17 Pro 6815 67

Pound for pound, these two are equally good deals.

Full spec table
SpeciPhone 17 Pro15
Price (street)$1099$750
Display6.3-inch Super Retina XDR OLED, ProMotion 1–120Hz, up to 3000 nits peak6.36-inch CrystalRes AMOLED, 2670×1200 (460 ppi), 1–120Hz LTPO, up to 3200 nits peak, Dolby Vision/HDR10+
ChipsetApple A19 ProSnapdragon 8 Elite
RAM12GB12GB
Storage256GB/512GB/1TB256GB/512GB
Battery4,252 mAh5,240 mAh
ChargingWired fast charge — 50% in ~20 min with a 40W+ adapter; MagSafe wireless up to 25W (Qi2.2)90W wired, 50W wireless
Rear cameras48MP main, 48MP ultra-wide, 48MP telephoto 4x50MP main (Light Fusion 900, f/1.62), 50MP ultra-wide, 50MP telephoto (Leica 60mm floating)
Dimensions150 × 71.9 × 8.75 mm152.3 × 71.2 × 8.08 mm
Weight206 g191 g
Water resistanceIP68IP68
Supported untilSep 2032Mar 2030

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