PhoneLifespan

15 Ultra vs Poco F6 Pro

vs

Winner

Xiaomi 15 Ultra

Lifespan decides this one: the 15 Ultra is supported until Mar 2030 at $30.40 per month of safe use, while the Poco F6 Pro runs out in May 2028 ($17.26/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 15 Ultra 65 · Poco F6 Pro 67 methodology

The lifespan decider

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

Xiaomi 15 Ultra $1350
Safe to buy$30.40/mo
2025◆ Buy-by Mar 20282030
Xiaomi Poco F6 Pro $399
Buy with care$17.26/mo
2024◆ Buy-by May 20262028

Category by category

Display
15 Ultra 100Poco F6 Pro 80

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
15 Ultra 98Poco F6 Pro 85

The 15 Ultra's Qualcomm Snapdragon 8 Elite (3nm) is simply the faster chip.

Camera
15 Ultra 96Poco F6 Pro 67

The 15 Ultra has the stronger camera system (4 real rear lenses vs 2).

Battery
15 Ultra 88Poco F6 Pro 80

5,410mAh vs 5,000mAh — the 15 Ultra lasts longer between charges.

Software longevity
15 Ultra 53Poco F6 Pro 28

The 15 Ultra is supported until Mar 2030 — 21 months longer than the Poco F6 Pro.

Value
15 Ultra 65Poco F6 Pro 67

Pound for pound, these two are equally good deals.

Full spec table
Spec15 UltraPoco F6 Pro
Price (street)$1350$399
Display6.73-inch 2K (1440×3200) LTPO AMOLED, 1–120Hz, up to 3200 nits peak6.67-inch AMOLED, 3200x1440 (WQHD+), 120Hz
ChipsetQualcomm Snapdragon 8 Elite (3nm)Qualcomm Snapdragon 8 Gen 2
RAM16GB12GB/16GB
Storage512GB/1TB256GB/512GB/1TB
Battery5,410 mAh5,000 mAh
Charging90W wired, 80W wireless120W wired
Rear cameras50MP main, 50MP ultra-wide, 50MP telephoto (70mm floating), 200MP periscope telephoto50MP main, 8MP ultra-wide
Dimensions161.3 × 75.3 × 9.35 mm163 × 75.3 × 8.2 mm
Weight226 g209 g
Water resistanceIP68IP54
Supported untilMar 2030May 2028

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