P3 Pro 5G 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 P3 Pro 5G runs out in Feb 2029 ($6.19/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: P3 Pro 5G 73 · 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.

Realme P3 Pro 5G $200

Buy with care$6.19/mo

2025◆ Buy-by Feb 20272029

Xiaomi Redmi Note 15 5G $250

Safe to buy$6.03/mo

2025◆ Buy-by Dec 20272029

Category by category

Display

P3 Pro 5G 70Redmi Note 15 5G 80

The Redmi Note 15 5G's screen is the better one — 6.77-inch amoled, fhd+, 120hz, 3200 nits peak.

Performance

P3 Pro 5G 64Redmi Note 15 5G 48

The P3 Pro 5G's Qualcomm Snapdragon 7s Gen 3 (4nm) is simply the faster chip.

Camera

P3 Pro 5G 55Redmi Note 15 5G 67

The Redmi Note 15 5G has the stronger camera system (2 real rear lenses vs 1).

Battery

P3 Pro 5G 100Redmi Note 15 5G 90

6,000mAh vs 5,520mAh — the P3 Pro 5G lasts longer between charges.

Software longevity

P3 Pro 5G 38Redmi Note 15 5G 49

The Redmi Note 15 5G is supported until Dec 2029 — 9 months longer than the P3 Pro 5G.

Value

P3 Pro 5G 73Redmi Note 15 5G 71

Pound for pound, these two are equally good deals.

Full spec table

Spec	P3 Pro 5G	Redmi Note 15 5G
Price (street)	$200	$250
Display	6.83-inch AMOLED, 120Hz, 1500 nits peak	6.77-inch AMOLED, FHD+, 120Hz, 3200 nits peak
Chipset	Qualcomm Snapdragon 7s Gen 3 (4nm)	Qualcomm Snapdragon 6 Gen 3
RAM	8GB/12GB	8GB
Storage	128GB/256GB	256GB/512GB
Battery	6,000 mAh	5,520 mAh
Charging	80W wired	45W wired
Rear cameras	50MP main	108MP main, 8MP ultra-wide
Dimensions	163.5 × 77.3 × 8 mm	164 × 75.4 × 7.4 mm
Weight	190 g	178 g
Water resistance	IP69 (also IP68/IP66)	IP66
Supported until	Feb 2029	Dec 2029

P3 Pro 5G 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.