PhoneLifespan

15T Pro vs Poco X7 Pro

vs

Winner

Xiaomi 15T Pro

Lifespan decides this one: the 15T Pro is supported until Sep 2030 at $12.65 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: 15T Pro 69 · 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 15T Pro $650
Safe to buy$12.65/mo
2025◆ Buy-by Sep 20282030
Xiaomi Poco X7 Pro $290
Buy with care$9.38/mo
2025◆ Buy-by Jan 20272029

Category by category

Display
15T Pro 70Poco X7 Pro 70

Both displays are effectively the same class.

Performance
15T Pro 94Poco X7 Pro 78

The 15T Pro's MediaTek Dimensity 9400+ is simply the faster chip.

Camera
15T Pro 79Poco X7 Pro 67

The 15T Pro has the stronger camera system (3 real rear lenses vs 2).

Battery
15T Pro 90Poco X7 Pro 100

6,000mAh vs 5,500mAh — the Poco X7 Pro lasts longer between charges.

Software longevity
15T Pro 61Poco X7 Pro 37

The 15T Pro is supported until Sep 2030 — 20 months longer than the Poco X7 Pro.

Value
15T Pro 69Poco X7 Pro 75

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

Full spec table
Spec15T ProPoco X7 Pro
Price (street)$650$290
Display6.83-inch AMOLED, 2772x1280, 144Hz6.67-inch AMOLED, 2712x1220 (1.5K), 120Hz
ChipsetMediaTek Dimensity 9400+MediaTek Dimensity 8400 Ultra
RAM12GB8GB/12GB
Storage256GB/512GB/1TB256GB/512GB
Battery5,500 mAh6,000 mAh
Charging90W wired, 50W wireless90W wired
Rear cameras50MP main, 50MP telephoto 5x periscope, 12MP ultra-wide50MP main, 8MP ultra-wide
Dimensions162.7 × 77.9 × 8.0 mm160.8 × 75.7 × 8.3 mm
Weight210 g195 g
Water resistanceIP68IP68
Supported untilSep 2030Jan 2029
15T Pro full verdict →Poco X7 Pro 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.