PhoneLifespan

15T vs Poco M7 Pro 5G

vs

Winner

Xiaomi 15T

Lifespan decides this one: the 15T is supported until Sep 2030 at $9.76 per month of safe use, while the Poco M7 Pro 5G runs out in Dec 2028 ($5.81/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 15T 70 · Poco M7 Pro 5G 69 — 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 $500
Safe to buy$9.76/mo
2025◆ Buy-by Sep 20282030
Xiaomi Poco M7 Pro 5G $175
Buy with care$5.81/mo
2024◆ Buy-by Dec 20262028

Category by category

Display
15T 70Poco M7 Pro 5G 70

Both displays are effectively the same class.

Performance
15T 78Poco M7 Pro 5G 42

The 15T's MediaTek Dimensity 8400-Ultra is simply the faster chip.

Camera
15T 79Poco M7 Pro 5G 55

The 15T has the stronger camera system (3 real rear lenses vs 1).

Battery
15T 90Poco M7 Pro 5G 82

5,500mAh vs 5,110mAh — the 15T lasts longer between charges.

Software longevity
15T 61Poco M7 Pro 5G 36

The 15T is supported until Sep 2030 — 21 months longer than the Poco M7 Pro 5G.

Value
15T 70Poco M7 Pro 5G 69

Pound for pound, these two are equally good deals.

Full spec table
Spec15TPoco M7 Pro 5G
Price (street)$500$175
Display6.83-inch AMOLED, 2772x1280, 144Hz6.67-inch AMOLED, 1080p (395 ppi), 120Hz, 2100 nits peak, HDR10+, Gorilla Glass 5
ChipsetMediaTek Dimensity 8400-UltraMediaTek Dimensity 7025 Ultra
RAM12GB6GB/8GB
Storage256GB/512GB128GB/256GB
Battery5,500 mAh5,110 mAh
Charging67W wired45W wired
Rear cameras50MP main, 50MP telephoto 2x, 12MP ultra-wide50MP main, 2MP depth
Dimensions163.2 × 78.0 × 7.5 mm162.4 × 75.7 × 8 mm
Weight194 g190 g
Water resistanceIP68IP64
Supported untilSep 2030Dec 2028
15T full verdict →Poco M7 Pro 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.