PhoneLifespan

iPhone 17 vs X100 Ultra

vs

Winner

Apple iPhone 17

Lifespan decides this one: the iPhone 17 is supported until Sep 2032 at $10.64 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 17 68 · 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 17 $799
Safe to buy$10.64/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 17 90X100 Ultra 90

Both displays are effectively the same class.

Performance
iPhone 17 96X100 Ultra 92

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

Camera
iPhone 17 62X100 Ultra 84

The X100 Ultra has the stronger camera system (3 real rear lenses vs 2).

Battery
iPhone 17 54X100 Ultra 90

5,500mAh vs 3,692mAh — the X100 Ultra lasts longer between charges.

Software longevity
iPhone 17 89X100 Ultra 42

The iPhone 17 is supported until Sep 2032 — 40 months longer than the X100 Ultra.

Value
iPhone 17 68X100 Ultra 66

Pound for pound, these two are equally good deals.

Full spec table
SpeciPhone 17X100 Ultra
Price (street)$799$720
Display6.3-inch Super Retina XDR OLED, ProMotion 1–120Hz, up to 3000 nits peak6.78-inch LTPO AMOLED, 120Hz, 3000 nits peak
ChipsetApple A19Snapdragon 8 Gen 3
RAM8GB12GB/16GB
Storage256GB/512GB256GB/512GB/1TB
Battery3,692 mAh5,500 mAh
ChargingWired fast charge — 50% in 20 min with a 40W+ adapter; MagSafe wireless up to 25W80W wired, 30W wireless
Rear cameras48MP main, 48MP ultra-wide50MP main, 200MP periscope telephoto, 50MP ultra-wide
Dimensions149.6 × 71.5 × 7.95 mm164.1 x 75.6 x 9.2 mm
Weight177 g229 g
Water resistanceIP68IP68/IP69
Supported untilSep 2032May 2029

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