PhoneLifespan

X100 Ultra vs Poco F8 Pro

vs

Winner

Xiaomi Poco F8 Pro

Lifespan decides this one: the Poco F8 Pro is supported until Nov 2031 at $10.72 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: X100 Ultra 66 · Poco F8 Pro 74 — 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 Poco F8 Pro $700
Safe to buy$10.72/mo
2025◆ Buy-by Nov 20292031

Category by category

Display
X100 Ultra 90Poco F8 Pro 70

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

Performance
X100 Ultra 92Poco F8 Pro 98

The Poco F8 Pro's Qualcomm Snapdragon 8 Elite is simply the faster chip.

Camera
X100 Ultra 84Poco F8 Pro 79

The X100 Ultra has the stronger camera system — same lens count, higher-grade sensors.

Battery
X100 Ultra 90Poco F8 Pro 100

6,210mAh vs 5,500mAh — the Poco F8 Pro lasts longer between charges.

Software longevity
X100 Ultra 42Poco F8 Pro 78

The Poco F8 Pro is supported until Nov 2031 — 30 months longer than the X100 Ultra.

Value
X100 Ultra 66Poco F8 Pro 74

Overall value goes to the Poco F8 Pro at $10.72 per month of safe use.

Full spec table
SpecX100 UltraPoco F8 Pro
Price (street)$720$700
Display6.78-inch LTPO AMOLED, 120Hz, 3000 nits peak6.59-inch AMOLED LTPS, FHD+, 120Hz
ChipsetSnapdragon 8 Gen 3Qualcomm Snapdragon 8 Elite
RAM12GB/16GB12GB
Storage256GB/512GB/1TB256GB/512GB
Battery5,500 mAh6,210 mAh
Charging80W wired, 30W wireless100W wired
Rear cameras50MP main, 200MP periscope telephoto, 50MP ultra-wide50MP main, 50MP telephoto, 8MP ultra-wide
Dimensions164.1 x 75.6 x 9.2 mm157.5 × 75.3 × 8.0 mm
Weight229 g199 g
Water resistanceIP68/IP69IP68
Supported untilMay 2029Nov 2031
X100 Ultra full verdict →Poco F8 Pro 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.