PhoneLifespan

iPhone Air vs X100 Ultra

vs

Winner

Apple iPhone Air

Lifespan decides this one: the iPhone Air is supported until Sep 2032 at $13.31 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 Air 62 · 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 Air $999
Safe to buy$13.31/mo
2025◆ Buy-by Sep 20302032
Vivo X100 Ultra $720
Buy with care$20.39/mo
2024◆ Buy-by May 20272029

Category by category

Display
iPhone Air 90X100 Ultra 90

Both displays are effectively the same class.

Performance
iPhone Air 100X100 Ultra 92

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

Camera
iPhone Air 50X100 Ultra 84

The X100 Ultra has the stronger camera system (3 real rear lenses vs 1).

Battery
iPhone Air 43X100 Ultra 90

5,500mAh vs 3,149mAh — the X100 Ultra lasts longer between charges.

Software longevity
iPhone Air 89X100 Ultra 42

The iPhone Air is supported until Sep 2032 — 40 months longer than the X100 Ultra.

Value
iPhone Air 62X100 Ultra 66

Overall value goes to the X100 Ultra at $20.39 per month of safe use.

Full spec table
SpeciPhone AirX100 Ultra
Price (street)$999$720
Display6.5-inch Super Retina XDR OLED, ProMotion 1–120Hz, up to 3000 nits peak6.78-inch LTPO AMOLED, 120Hz, 3000 nits peak
ChipsetApple A19 ProSnapdragon 8 Gen 3
RAM12GB12GB/16GB
Storage256GB/512GB/1TB256GB/512GB/1TB
Battery3,149 mAh5,500 mAh
ChargingWired — 50% in ~30 min with a 20W+ adapter; MagSafe/Qi2 wireless up to 20W80W wired, 30W wireless
Rear cameras48MP main50MP main, 200MP periscope telephoto, 50MP ultra-wide
Dimensions156.2 × 74.7 × 5.64 mm164.1 x 75.6 x 9.2 mm
Weight165 g229 g
Water resistanceIP68IP68/IP69
Supported untilSep 2032May 2029
iPhone Air 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.