PhoneLifespan

iPhone 17 Pro Max vs 15T Pro

vs

It depends

Too close to call outright

These two are within 0 points overall — it genuinely depends on price on the day. The iPhone 17 Pro Max edges both longevity and performance, so prefer it when prices are close.

Value Score: iPhone 17 Pro Max 69 · 15T Pro 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 17 Pro Max $1199
Safe to buy$15.94/mo
2025◆ Buy-by Sep 20302032
Xiaomi 15T Pro $650
Safe to buy$12.65/mo
2025◆ Buy-by Sep 20282030

Category by category

Display
iPhone 17 Pro Max 9015T Pro 70

The iPhone 17 Pro Max's screen is the better one — 6.9-inch super retina xdr oled, promotion 1–120hz, up to 3000 nits peak.

Performance
iPhone 17 Pro Max 10015T Pro 94

The iPhone 17 Pro Max's Apple A19 Pro is simply the faster chip.

Camera
iPhone 17 Pro Max 7415T Pro 79

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

Battery
iPhone 17 Pro Max 8215T Pro 90

5,500mAh vs 5,088mAh — the 15T Pro lasts longer between charges.

Software longevity
iPhone 17 Pro Max 9015T Pro 61

The iPhone 17 Pro Max is supported until Sep 2032 — 24 months longer than the 15T Pro.

Value
iPhone 17 Pro Max 6915T Pro 69

Pound for pound, these two are equally good deals.

Full spec table
SpeciPhone 17 Pro Max15T Pro
Price (street)$1199$650
Display6.9-inch Super Retina XDR OLED, ProMotion 1–120Hz, up to 3000 nits peak6.83-inch AMOLED, 2772x1280, 144Hz
ChipsetApple A19 ProMediaTek Dimensity 9400+
RAM12GB12GB
Storage256GB/512GB/1TB/2TB256GB/512GB/1TB
Battery5,088 mAh5,500 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, 50MP telephoto 5x periscope, 12MP ultra-wide
Dimensions163.4 × 78 × 8.75 mm162.7 × 77.9 × 8.0 mm
Weight233 g210 g
Water resistanceIP68IP68
Supported untilSep 2032Sep 2030

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