PhoneLifespan

Xperia 10 VI vs 15T

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 Xperia 10 VI runs out in May 2028 ($14.06/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Xperia 10 VI 53 · 15T 70 — methodology

The lifespan decider

When specs are close, support length decides it — this is what each phone costs per month of safe use.

Sony Xperia 10 VI $330
Buy with care$14.06/mo
2024◆ Buy-by May 20262028
Xiaomi 15T $500
Safe to buy$9.73/mo
2025◆ Buy-by Sep 20282030

Category by category

Display
Xperia 10 VI 5015T 70

The 15T's screen is the better one — 6.83-inch amoled, 2772x1280, 144hz.

Performance
Xperia 10 VI 4615T 78

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

Camera
Xperia 10 VI 6215T 79

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

Battery
Xperia 10 VI 8015T 90

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

Software longevity
Xperia 10 VI 2815T 61

The 15T is supported until Sep 2030 — 28 months longer than the Xperia 10 VI.

Value
Xperia 10 VI 5315T 70

Overall value goes to the 15T at $9.73 per month of safe use.

Full spec table
SpecXperia 10 VI15T
Price (street)$330$500
Display6.1-inch OLED, FHD+ (1080×2520), 21:9, 60Hz6.83-inch AMOLED, 2772x1280, 144Hz
ChipsetSnapdragon 6 Gen 1MediaTek Dimensity 8400-Ultra
RAM8GB12GB
Storage128GB256GB/512GB
Battery5,000 mAh5,500 mAh
Charging30W wired (USB PD)67W wired
Rear cameras48MP main (with OIS), 8MP ultra-wide50MP main, 50MP telephoto 2x, 12MP ultra-wide
Dimensions155 × 68 × 8.3 mm163.2 × 78.0 × 7.5 mm
Weight164 g194 g
Water resistanceIP65/IP68IP68
Supported untilMay 2028Sep 2030
Xperia 10 VI full verdict →15T 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.