PhoneLifespan

iPhone 17 vs X100

vs

Winner

Apple iPhone 17

Lifespan decides this one: the iPhone 17 is supported until Sep 2032 at $10.62 per month of safe use, while the X100 runs out in Nov 2028 ($21.16/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: iPhone 17 68 · X100 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 17 $799
Safe to buy$10.62/mo
2025◆ Buy-by Sep 20302032
Vivo X100 $620
Buy with care$21.16/mo
2023◆ Buy-by Nov 20262028

Category by category

Display
iPhone 17 90X100 90

Both displays are effectively the same class.

Performance
iPhone 17 96X100 93

Performance is a wash — same chip tier.

Camera
iPhone 17 62X100 79

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

Battery
iPhone 17 54X100 80

5,000mAh vs 3,692mAh — the X100 lasts longer between charges.

Software longevity
iPhone 17 90X100 35

The iPhone 17 is supported until Sep 2032 — 46 months longer than the X100.

Value
iPhone 17 68X100 64

Overall value goes to the iPhone 17 at $10.62 per month of safe use.

Full spec table
SpeciPhone 17X100
Price (street)$799$620
Display6.3-inch Super Retina XDR OLED, ProMotion 1–120Hz, up to 3000 nits peak6.78-inch LTPO AMOLED, 2800x1260, 120Hz, up to 3000 nits peak
ChipsetApple A19MediaTek Dimensity 9300
RAM8GB12GB/16GB
Storage256GB/512GB256GB/512GB
Battery3,692 mAh5,000 mAh
ChargingWired fast charge — 50% in 20 min with a 40W+ adapter; MagSafe wireless up to 25W120W wired
Rear cameras48MP main, 48MP ultra-wide50MP main, 50MP ultra-wide, 64MP telephoto 3x periscope
Dimensions149.6 × 71.5 × 7.95 mm164.1 × 75.3 × 8.2 mm
Weight177 g202 g
Water resistanceIP68IP68
Supported untilSep 2032Nov 2028
iPhone 17 full verdict →X100 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.