PhoneLifespan

Aquos sense9 vs 15T

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 Aquos sense9 runs out in Nov 2028 ($13.24/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Aquos sense9 61 · 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.

Sharp Aquos sense9 $380
Buy with care$13.24/mo
2024◆ Buy-by Nov 20262028
Xiaomi 15T $500
Safe to buy$9.76/mo
2025◆ Buy-by Sep 20282030

Category by category

Display
Aquos sense9 8015T 70

The Aquos sense9's screen is the better one — 6.1-inch pro igzo oled, fhd+, 1-120hz.

Performance
Aquos sense9 5615T 78

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

Camera
Aquos sense9 6715T 79

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

Battery
Aquos sense9 8015T 90

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

Software longevity
Aquos sense9 3415T 61

The 15T is supported until Sep 2030 — 23 months longer than the Aquos sense9.

Value
Aquos sense9 6115T 70

Overall value goes to the 15T at $9.76 per month of safe use.

Full spec table
SpecAquos sense915T
Price (street)$380$500
Display6.1-inch Pro IGZO OLED, FHD+, 1-120Hz6.83-inch AMOLED, 2772x1280, 144Hz
ChipsetQualcomm Snapdragon 7s Gen 2 (4nm)MediaTek Dimensity 8400-Ultra
RAM6GB/8GB12GB
Storage128GB/256GB256GB/512GB
Battery5,000 mAh5,500 mAh
ChargingUSB-C wired67W wired
Rear cameras50MP main, 50MP ultra-wide50MP main, 50MP telephoto 2x, 12MP ultra-wide
Dimensions149 × 73 × 8.9 mm163.2 × 78.0 × 7.5 mm
Weight166 g194 g
Water resistanceIP68 (also MIL-STD-810H)IP68
Supported untilNov 2028Sep 2030
Aquos sense9 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.