Aquos sense9 vs Redmi 15 5G

Phone 1

Phone 2

Winner

Xiaomi Redmi 15 5G

Lifespan decides this one: the Redmi 15 5G is supported until Aug 2029 at $4.80 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 15 5G 75 — 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 15 5G $180

Safe to buy$4.80/mo

2025◆ Buy-by Aug 20272029

Category by category

Display

Aquos sense9 80Redmi 15 5G 70

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

Performance

Aquos sense9 56Redmi 15 5G 46

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

Camera

Aquos sense9 67Redmi 15 5G 55

The Aquos sense9 has the stronger camera system (2 real rear lenses vs 1).

Battery

Aquos sense9 80Redmi 15 5G 100

7,000mAh vs 5,000mAh — the Redmi 15 5G lasts longer between charges.

Software longevity

Aquos sense9 34Redmi 15 5G 45

The Redmi 15 5G is supported until Aug 2029 — 9 months longer than the Aquos sense9.

Value

Aquos sense9 61Redmi 15 5G 75

Overall value goes to the Redmi 15 5G at $4.80 per month of safe use.

Full spec table

Spec	Aquos sense9	Redmi 15 5G
Price (street)	$380	$180
Display	6.1-inch Pro IGZO OLED, FHD+, 1-120Hz	6.9-inch IPS LCD, FHD+, 144Hz, 850 nits peak
Chipset	Qualcomm Snapdragon 7s Gen 2 (4nm)	Qualcomm Snapdragon 6s Gen 3
RAM	6GB/8GB	4GB/6GB/8GB
Storage	128GB/256GB	128GB/256GB
Battery	5,000 mAh	7,000 mAh
Charging	USB-C wired	33W wired, 18W reverse wired
Rear cameras	50MP main, 50MP ultra-wide	50MP main, 2MP depth
Dimensions	149 × 73 × 8.9 mm	169.5 × 80.5 × 8.4 mm
Weight	166 g	217 g
Water resistance	IP68 (also MIL-STD-810H)	IP64
Supported until	Nov 2028	Aug 2029

Aquos sense9 full verdict →Redmi 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.