PhoneLifespan

iPhone 15 Pro vs X100 Ultra

vs

Winner

Apple iPhone 15 Pro

Lifespan decides this one: the iPhone 15 Pro is supported until Sep 2030 at $12.12 per month of safe use, while the X100 Ultra runs out in May 2029 ($20.39/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: iPhone 15 Pro 63 · X100 Ultra 66 — 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 $620
Safe to buy$12.12/mo
2023◆ Buy-by Sep 20282030
Vivo X100 Ultra $720
Buy with care$20.39/mo
2024◆ Buy-by May 20272029

Category by category

Display
iPhone 15 Pro 80X100 Ultra 90

The X100 Ultra's screen is the better one — 6.78-inch ltpo amoled, 120hz, 3000 nits peak.

Performance
iPhone 15 Pro 88X100 Ultra 92

The X100 Ultra's Snapdragon 8 Gen 3 is simply the faster chip.

Camera
iPhone 15 Pro 74X100 Ultra 84

The X100 Ultra has the stronger camera system — same lens count, higher-grade sensors.

Battery
iPhone 15 Pro 45X100 Ultra 90

5,500mAh vs 3,274mAh — the X100 Ultra lasts longer between charges.

Software longevity
iPhone 15 Pro 61X100 Ultra 42

The iPhone 15 Pro is supported until Sep 2030 — 16 months longer than the X100 Ultra.

Value
iPhone 15 Pro 63X100 Ultra 66

Pound for pound, these two are equally good deals.

Full spec table
SpeciPhone 15 ProX100 Ultra
Price (street)$620$720
Display6.1-inch Super Retina XDR OLED, 120Hz ProMotion, Always-On, Dynamic Island, up to 2000 nits peak6.78-inch LTPO AMOLED, 120Hz, 3000 nits peak
ChipsetApple A17 ProSnapdragon 8 Gen 3
RAM8GB12GB/16GB
Storage128GB/256GB/512GB/1TB256GB/512GB/1TB
Battery3,274 mAh5,500 mAh
ChargingWired ~50% in 30 min with 20W+; MagSafe 15W wireless80W wired, 30W wireless
Rear cameras48MP main, 12MP ultra-wide, 12MP telephoto50MP main, 200MP periscope telephoto, 50MP ultra-wide
Dimensions146.6 × 70.6 × 8.25 mm164.1 x 75.6 x 9.2 mm
Weight187 g229 g
Water resistanceIP68IP68/IP69
Supported untilSep 2030May 2029
iPhone 15 Pro full verdict →X100 Ultra 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.