PhoneLifespan

X100 Ultra vs 14 Ultra

vs

It depends

Too close to call outright

These two are within 2 points overall — it genuinely depends on price on the day. The X100 Ultra edges both longevity and performance, so prefer it when prices are close.

Value Score: X100 Ultra 66 · 14 Ultra 64 methodology

The lifespan decider

When specs are close, support length decides it — this is what each phone costs per month of safe use.

Vivo X100 Ultra $720
Buy with care$20.39/mo
2024◆ Buy-by May 20272029
Xiaomi 14 Ultra $750
Buy with care$23.30/mo
2024◆ Buy-by Feb 20272029

Category by category

Display
X100 Ultra 9014 Ultra 90

Both displays are effectively the same class.

Performance
X100 Ultra 9214 Ultra 92

Performance is a wash — same chip tier.

Camera
X100 Ultra 8414 Ultra 91

The 14 Ultra has the stronger camera system (4 real rear lenses vs 3).

Battery
X100 Ultra 9014 Ultra 80

5,500mAh vs 5,000mAh — the X100 Ultra lasts longer between charges.

Software longevity
X100 Ultra 4214 Ultra 38

The X100 Ultra is supported until May 2029 — 3 months longer than the 14 Ultra.

Value
X100 Ultra 6614 Ultra 64

Pound for pound, these two are equally good deals.

Full spec table
SpecX100 Ultra14 Ultra
Price (street)$720$750
Display6.78-inch LTPO AMOLED, 120Hz, 3000 nits peak6.73-inch LTPO AMOLED, 3200 x 1440, 120Hz
ChipsetSnapdragon 8 Gen 3Qualcomm Snapdragon 8 Gen 3
RAM12GB/16GB12GB/16GB
Storage256GB/512GB/1TB256GB/512GB/1TB
Battery5,500 mAh5,000 mAh
Charging80W wired, 30W wireless90W wired, 80W wireless
Rear cameras50MP main, 200MP periscope telephoto, 50MP ultra-wide50MP main, 50MP ultra-wide, 50MP telephoto 3.2x, 50MP periscope telephoto 5x
Dimensions164.1 x 75.6 x 9.2 mm161.4 × 75.3 × 9.2 mm
Weight229 g220 g
Water resistanceIP68/IP69IP68
Supported untilMay 2029Feb 2029

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