PhoneLifespan

15T vs POCO X6 Pro

vs

Winner

Xiaomi 15T

Lifespan decides this one: the 15T is supported until Sep 2030 at $9.73 per month of safe use, while the POCO X6 Pro runs out in Jan 2028 ($13.20/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 15T 70 · POCO X6 Pro 68 — 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$9.73/mo
2025◆ Buy-by Sep 20282030
Xiaomi POCO X6 Pro $250
Buy with care$13.20/mo
2024◆ Buy-by Jan 20262028

Category by category

Display
15T 70POCO X6 Pro 70

Both displays are effectively the same class.

Performance
15T 78POCO X6 Pro 73

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

Camera
15T 79POCO X6 Pro 67

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

Battery
15T 90POCO X6 Pro 80

5,500mAh vs 5,000mAh — the 15T lasts longer between charges.

Software longevity
15T 61POCO X6 Pro 23

The 15T is supported until Sep 2030 — 32 months longer than the POCO X6 Pro.

Value
15T 70POCO X6 Pro 68

Pound for pound, these two are equally good deals.

Full spec table
Spec15TPOCO X6 Pro
Price (street)$500$250
Display6.83-inch AMOLED, 2772x1280, 144Hz6.67-inch CrystalRes 1.5K Flow AMOLED, 2712×1220 (446 ppi), 120Hz, 1800 nits peak, 480Hz touch sampling
ChipsetMediaTek Dimensity 8400-UltraMediaTek Dimensity 8300-Ultra
RAM12GB8GB/12GB
Storage256GB/512GB256GB/512GB
Battery5,500 mAh5,000 mAh
Charging67W wired67W wired
Rear cameras50MP main, 50MP telephoto 2x, 12MP ultra-wide64MP main (OIS), 8MP ultra-wide, 2MP macro
Dimensions163.2 × 78.0 × 7.5 mm160.45 × 74.34 × 8.25 mm
Weight194 g186 g
Water resistanceIP68IP54
Supported untilSep 2030Jan 2028
15T full verdict →POCO X6 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.