PhoneLifespan

Find X8 Ultra vs X100 Ultra

vs

Winner

Oppo Find X8 Ultra

Lifespan decides this one: the Find X8 Ultra is supported until Apr 2031 at $18.19 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: Find X8 Ultra 69 · 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.

Oppo Find X8 Ultra $1050
Safe to buy$18.19/mo
2025◆ Buy-by Apr 20292031
Vivo X100 Ultra $720
Buy with care$20.39/mo
2024◆ Buy-by May 20272029

Category by category

Display
Find X8 Ultra 80X100 Ultra 90

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

Performance
Find X8 Ultra 98X100 Ultra 92

The Find X8 Ultra's Qualcomm Snapdragon 8 Elite is simply the faster chip.

Camera
Find X8 Ultra 91X100 Ultra 84

The Find X8 Ultra has the stronger camera system (4 real rear lenses vs 3).

Battery
Find X8 Ultra 100X100 Ultra 90

6,100mAh vs 5,500mAh — the Find X8 Ultra lasts longer between charges.

Software longevity
Find X8 Ultra 69X100 Ultra 42

The Find X8 Ultra is supported until Apr 2031 — 22 months longer than the X100 Ultra.

Value
Find X8 Ultra 69X100 Ultra 66

Pound for pound, these two are equally good deals.

Full spec table
SpecFind X8 UltraX100 Ultra
Price (street)$1050$720
Display6.82-inch LTPO AMOLED, 2772x1272, 120Hz6.78-inch LTPO AMOLED, 120Hz, 3000 nits peak
ChipsetQualcomm Snapdragon 8 EliteSnapdragon 8 Gen 3
RAM12GB/16GB12GB/16GB
Storage256GB/512GB/1TB256GB/512GB/1TB
Battery6,100 mAh5,500 mAh
Charging100W wired, 50W wireless80W wired, 30W wireless
Rear cameras50MP main, 50MP ultra-wide, 50MP telephoto 3x periscope, 50MP telephoto 6x periscope50MP main, 200MP periscope telephoto, 50MP ultra-wide
Dimensions163.1 × 76.8 × 8.8 mm164.1 x 75.6 x 9.2 mm
Weight226 g229 g
Water resistanceIP68/IP69IP68/IP69
Supported untilApr 2031May 2029

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