Aquos sense9 vs Redmi Note 15 5G

Phone 1

Phone 2

Winner

Xiaomi Redmi Note 15 5G

Lifespan decides this one: the Redmi Note 15 5G is supported until Dec 2029 at $6.03 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 · Redmi Note 15 5G 71 — 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 Redmi Note 15 5G $250

Safe to buy$6.03/mo

2025◆ Buy-by Dec 20272029

Category by category

Display

Aquos sense9 80Redmi Note 15 5G 80

Both displays are effectively the same class.

Performance

Aquos sense9 56Redmi Note 15 5G 48

The Aquos sense9's Qualcomm Snapdragon 7s Gen 2 (4nm) is simply the faster chip.

Camera

Aquos sense9 67Redmi Note 15 5G 67

Camera systems are comparable on paper — pick by sample photos.

Battery

Aquos sense9 80Redmi Note 15 5G 90

5,520mAh vs 5,000mAh — the Redmi Note 15 5G lasts longer between charges.

Software longevity

Aquos sense9 34Redmi Note 15 5G 49

The Redmi Note 15 5G is supported until Dec 2029 — 13 months longer than the Aquos sense9.

Value

Aquos sense9 61Redmi Note 15 5G 71

Overall value goes to the Redmi Note 15 5G at $6.03 per month of safe use.

Full spec table

Spec	Aquos sense9	Redmi Note 15 5G
Price (street)	$380	$250
Display	6.1-inch Pro IGZO OLED, FHD+, 1-120Hz	6.77-inch AMOLED, FHD+, 120Hz, 3200 nits peak
Chipset	Qualcomm Snapdragon 7s Gen 2 (4nm)	Qualcomm Snapdragon 6 Gen 3
RAM	6GB/8GB	8GB
Storage	128GB/256GB	256GB/512GB
Battery	5,000 mAh	5,520 mAh
Charging	USB-C wired	45W wired
Rear cameras	50MP main, 50MP ultra-wide	108MP main, 8MP ultra-wide
Dimensions	149 × 73 × 8.9 mm	164 × 75.4 × 7.4 mm
Weight	166 g	178 g
Water resistance	IP68 (also MIL-STD-810H)	IP66
Supported until	Nov 2028	Dec 2029

Aquos sense9 full verdict →Redmi Note 15 5G 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.