Aquos R9 vs 15T

Phone 1

Phone 2

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 R9 runs out in Sep 2028 ($20.01/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Aquos R9 57 · 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 R9 $530

Buy with care$20.01/mo

2024◆ Buy-by Sep 20262028

Xiaomi 15T $500

Safe to buy$9.76/mo

2025◆ Buy-by Sep 20282030

Category by category

Display

Aquos R9 6015T 70

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

Performance

Aquos R9 7815T 78

Performance is a wash — same chip tier.

Camera

Aquos R9 6715T 79

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

Battery

Aquos R9 8015T 90

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

Software longevity

Aquos R9 3215T 61

The 15T is supported until Sep 2030 — 25 months longer than the Aquos R9.

Value

Aquos R9 5715T 70

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

Full spec table

Spec	Aquos R9	15T
Price (street)	$530	$500
Display	6.5-inch Pro IGZO LTPO OLED, FHD+, up to 240Hz, ~2000 nits peak	6.83-inch AMOLED, 2772x1280, 144Hz
Chipset	Qualcomm Snapdragon 7+ Gen 3 (4nm)	MediaTek Dimensity 8400-Ultra
RAM	12GB	12GB
Storage	256GB	256GB/512GB
Battery	5,000 mAh	5,500 mAh
Charging	USB-C wired (no wireless)	67W wired
Rear cameras	50MP main, 50MP ultra-wide	50MP main, 50MP telephoto 2x, 12MP ultra-wide
Dimensions	156 × 75 × 8.9 mm	163.2 × 78.0 × 7.5 mm
Weight	195 g	194 g
Water resistance	IP68 (also MIL-STD-810G)	IP68
Supported until	Sep 2028	Sep 2030

Aquos R9 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.