PhoneLifespan

15 Ultra vs Poco X7 Pro

vs

Winner

Xiaomi 15 Ultra

Lifespan decides this one: the 15 Ultra is supported until Mar 2030 at $30.27 per month of safe use, while the Poco X7 Pro runs out in Jan 2029 ($9.38/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 15 Ultra 65 · Poco X7 Pro 75 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$30.27/mo
2025◆ Buy-by Mar 20282030
Xiaomi Poco X7 Pro $290
Buy with care$9.38/mo
2025◆ Buy-by Jan 20272029

Category by category

Display
15 Ultra 100Poco X7 Pro 70

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 X7 Pro 78

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

Camera
15 Ultra 96Poco X7 Pro 67

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

Battery
15 Ultra 88Poco X7 Pro 100

6,000mAh vs 5,410mAh — the Poco X7 Pro lasts longer between charges.

Software longevity
15 Ultra 53Poco X7 Pro 37

The 15 Ultra is supported until Mar 2030 — 14 months longer than the Poco X7 Pro.

Value
15 Ultra 65Poco X7 Pro 75

Overall value goes to the Poco X7 Pro at $9.38 per month of safe use.

Full spec table
Spec15 UltraPoco X7 Pro
Price (street)$1350$290
Display6.73-inch 2K (1440×3200) LTPO AMOLED, 1–120Hz, up to 3200 nits peak6.67-inch AMOLED, 2712x1220 (1.5K), 120Hz
ChipsetQualcomm Snapdragon 8 Elite (3nm)MediaTek Dimensity 8400 Ultra
RAM16GB8GB/12GB
Storage512GB/1TB256GB/512GB
Battery5,410 mAh6,000 mAh
Charging90W wired, 80W wireless90W wired
Rear cameras50MP main, 50MP ultra-wide, 50MP telephoto (70mm floating), 200MP periscope telephoto50MP main, 8MP ultra-wide
Dimensions161.3 × 75.3 × 9.35 mm160.8 × 75.7 × 8.3 mm
Weight226 g195 g
Water resistanceIP68IP68
Supported untilMar 2030Jan 2029

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