PhoneLifespan

15T vs POCO F6

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 F6 runs out in May 2028 ($14.16/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 15T 70 · POCO F6 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$9.73/mo
2025◆ Buy-by Sep 20282030
Xiaomi POCO F6 $330
Buy with care$14.16/mo
2024◆ Buy-by May 20262028

Category by category

Display
15T 70POCO F6 70

Both displays are effectively the same class.

Performance
15T 78POCO F6 82

The POCO F6's Snapdragon 8s Gen 3 is simply the faster chip.

Camera
15T 79POCO F6 67

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

Battery
15T 90POCO F6 80

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

Software longevity
15T 61POCO F6 28

The 15T is supported until Sep 2030 — 28 months longer than the POCO F6.

Value
15T 70POCO F6 69

Pound for pound, these two are equally good deals.

Full spec table
Spec15TPOCO F6
Price (street)$500$330
Display6.83-inch AMOLED, 2772x1280, 144Hz6.67-inch CrystalRes Flow AMOLED, 1.5K, up to 120Hz, 480Hz touch sampling
ChipsetMediaTek Dimensity 8400-UltraSnapdragon 8s Gen 3
RAM12GB8GB/12GB
Storage256GB/512GB256GB/512GB
Battery5,500 mAh5,000 mAh
Charging67W wired90W wired
Rear cameras50MP main, 50MP telephoto 2x, 12MP ultra-wide50MP main (Sony IMX882, OIS, f/1.59), 8MP ultra-wide
Dimensions163.2 × 78.0 × 7.5 mm160.5 × 74.5 × 7.8 mm
Weight194 g179 g
Water resistanceIP68IP64
Supported untilSep 2030May 2028
15T full verdict →POCO F6 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.