15 Ultra vs Poco X7 5G

Phone 1

Phone 2

Winner

Xiaomi 15 Ultra

Lifespan decides this one: the 15 Ultra is supported until Mar 2030 at $30.36 per month of safe use, while the Poco X7 5G runs out in Jan 2029 ($7.47/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 15 Ultra 65 · Poco X7 5G 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$30.36/mo

2025◆ Buy-by Mar 20282030

Xiaomi Poco X7 5G $230

Buy with care$7.47/mo

2025◆ Buy-by Jan 20272029

Category by category

Display

15 Ultra 100Poco X7 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 X7 5G 58

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

Camera

15 Ultra 96Poco X7 5G 67

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

Battery

15 Ultra 88Poco X7 5G 90

Battery capacities are close enough not to decide this.

Software longevity

15 Ultra 53Poco X7 5G 37

The 15 Ultra is supported until Mar 2030 — 14 months longer than the Poco X7 5G.

Value

15 Ultra 65Poco X7 5G 75

Overall value goes to the Poco X7 5G at $7.47 per month of safe use.

Full spec table

Spec	15 Ultra	Poco X7 5G
Price (street)	$1350	$230
Display	6.73-inch 2K (1440×3200) LTPO AMOLED, 1–120Hz, up to 3200 nits peak	6.67-inch AMOLED, 1.5K (446 ppi), 120Hz, 3000 nits peak, Gorilla Glass Victus 2
Chipset	Qualcomm Snapdragon 8 Elite (3nm)	MediaTek Dimensity 7300 Ultra (4nm)
RAM	16GB	8GB/12GB
Storage	512GB/1TB	128GB/256GB/512GB
Battery	5,410 mAh	5,500 mAh
Charging	90W wired, 80W wireless	45W wired
Rear cameras	50MP main, 50MP ultra-wide, 50MP telephoto (70mm floating), 200MP periscope telephoto	50MP main, 8MP ultra-wide, 2MP macro
Dimensions	161.3 × 75.3 × 9.35 mm	162.3 × 74.4 × 8.4 mm
Weight	226 g	190 g
Water resistance	IP68	IP68 (also IP69)
Supported until	Mar 2030	Jan 2029

15 Ultra full verdict →Poco X7 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.