PhoneLifespan

15 Ultra vs Poco F7 5G

vs

Winner

Xiaomi Poco F7 5G

Lifespan decides this one: the Poco F7 5G is supported until Jun 2031 at $6.23 per month of safe use, while the 15 Ultra runs out in Mar 2030 ($30.36/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 15 Ultra 65 · Poco F7 5G 83 — 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$30.36/mo
2025◆ Buy-by Mar 20282030
Xiaomi Poco F7 5G $375
Safe to buy$6.23/mo
2025◆ Buy-by Jun 20292031

Category by category

Display
15 Ultra 100Poco F7 5G 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 F7 5G 86

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

Camera
15 Ultra 96Poco F7 5G 67

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

Battery
15 Ultra 88Poco F7 5G 100

6,500mAh vs 5,410mAh — the Poco F7 5G lasts longer between charges.

Software longevity
15 Ultra 53Poco F7 5G 72

The Poco F7 5G is supported until Jun 2031 — 16 months longer than the 15 Ultra.

Value
15 Ultra 65Poco F7 5G 83

Overall value goes to the Poco F7 5G at $6.23 per month of safe use.

Full spec table
Spec15 UltraPoco F7 5G
Price (street)$1350$375
Display6.73-inch 2K (1440×3200) LTPO AMOLED, 1–120Hz, up to 3200 nits peak6.83-inch AMOLED, 1.5K, 120Hz, Dolby Vision, up to 3200 nits peak, Gorilla Glass 7i
ChipsetQualcomm Snapdragon 8 Elite (3nm)Qualcomm Snapdragon 8s Gen 4 (4nm)
RAM16GB12GB
Storage512GB/1TB256GB/512GB
Battery5,410 mAh6,500 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 mm163.1 × 77.9 × 8.2 mm
Weight226 g216 g
Water resistanceIP68IP66/IP68/IP69
Supported untilMar 2030Jun 2031
15 Ultra full verdict →Poco F7 5G 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.