Find X8 Ultra vs 15 Ultra
It depends
Too close to call outright
These two are within 4 points overall — it genuinely depends on price on the day. The Find X8 Ultra edges both longevity and performance, so prefer it when prices are close.
Value Score: Find X8 Ultra 69 · 15 Ultra 65 — methodology
The lifespan decider
When specs are close, support length decides it — this is what each phone costs per month of safe use.
Category by category
The 15 Ultra's screen is the better one — 6.73-inch 2k (1440×3200) ltpo amoled, 1–120hz, up to 3200 nits peak.
Performance is a wash — same chip tier.
The 15 Ultra has the stronger camera system — same lens count, higher-grade sensors.
6,100mAh vs 5,410mAh — the Find X8 Ultra lasts longer between charges.
The Find X8 Ultra is supported until Apr 2031 — 13 months longer than the 15 Ultra.
Overall value goes to the Find X8 Ultra at $18.14 per month of safe use.
Full spec table
| Spec | Find X8 Ultra | 15 Ultra |
|---|---|---|
| Price (street) | $1050 | $1350 |
| Display | 6.82-inch LTPO AMOLED, 2772x1272, 120Hz | 6.73-inch 2K (1440×3200) LTPO AMOLED, 1–120Hz, up to 3200 nits peak |
| Chipset | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite (3nm) |
| RAM | 12GB/16GB | 16GB |
| Storage | 256GB/512GB/1TB | 512GB/1TB |
| Battery | 6,100 mAh | 5,410 mAh |
| Charging | 100W wired, 50W wireless | 90W wired, 80W wireless |
| Rear cameras | 50MP main, 50MP ultra-wide, 50MP telephoto 3x periscope, 50MP telephoto 6x periscope | 50MP main, 50MP ultra-wide, 50MP telephoto (70mm floating), 200MP periscope telephoto |
| Dimensions | 163.1 × 76.8 × 8.8 mm | 161.3 × 75.3 × 9.35 mm |
| Weight | 226 g | 226 g |
| Water resistance | IP68/IP69 | IP68 |
| Supported until | Apr 2031 | Mar 2030 |
Scores and verdicts are computed from our verified database — see exactly how. Specs from manufacturer documentation; prices reflect major US retailers.