PhoneLifespan

iPhone 15 Pro Max vs 14 Ultra

vs

Winner

Apple iPhone 15 Pro Max

Lifespan decides this one: the iPhone 15 Pro Max is supported until Sep 2030 at $14.81 per month of safe use, while the 14 Ultra runs out in Feb 2029 ($23.18/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: iPhone 15 Pro Max 63 · 14 Ultra 64 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 Pro Max $760
Safe to buy$14.81/mo
2023◆ Buy-by Sep 20282030
Xiaomi 14 Ultra $750
Buy with care$23.18/mo
2024◆ Buy-by Feb 20272029

Category by category

Display
iPhone 15 Pro Max 8014 Ultra 90

The 14 Ultra's screen is the better one — 6.73-inch ltpo amoled, 3200 x 1440, 120hz.

Performance
iPhone 15 Pro Max 8814 Ultra 92

The 14 Ultra's Qualcomm Snapdragon 8 Gen 3 is simply the faster chip.

Camera
iPhone 15 Pro Max 7414 Ultra 91

The 14 Ultra has the stronger camera system (4 real rear lenses vs 3).

Battery
iPhone 15 Pro Max 6814 Ultra 80

5,000mAh vs 4,422mAh — the 14 Ultra lasts longer between charges.

Software longevity
iPhone 15 Pro Max 6114 Ultra 39

The iPhone 15 Pro Max is supported until Sep 2030 — 19 months longer than the 14 Ultra.

Value
iPhone 15 Pro Max 6314 Ultra 64

Pound for pound, these two are equally good deals.

Full spec table
SpeciPhone 15 Pro Max14 Ultra
Price (street)$760$750
Display6.7-inch Super Retina XDR OLED, 120Hz ProMotion, Always-On, Dynamic Island, up to 2000 nits peak6.73-inch LTPO AMOLED, 3200 x 1440, 120Hz
ChipsetApple A17 ProQualcomm Snapdragon 8 Gen 3
RAM8GB12GB/16GB
Storage256GB/512GB/1TB256GB/512GB/1TB
Battery4,422 mAh5,000 mAh
ChargingWired ~50% in 30 min with 20W+; MagSafe 15W wireless90W wired, 80W wireless
Rear cameras48MP main, 12MP ultra-wide, 12MP telephoto50MP main, 50MP ultra-wide, 50MP telephoto 3.2x, 50MP periscope telephoto 5x
Dimensions159.9 × 76.7 × 8.25 mm161.4 × 75.3 × 9.2 mm
Weight221 g220 g
Water resistanceIP68IP68
Supported untilSep 2030Feb 2029

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