Poco X7 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 Poco X7 5G runs out in Jan 2029 ($7.48/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Poco X7 5G 75 · 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.

Xiaomi Poco X7 5G $230

Buy with care$7.48/mo

2025◆ Buy-by Jan 20272029

Xiaomi Redmi Note 15 5G $250

Safe to buy$6.03/mo

2025◆ Buy-by Dec 20272029

Category by category

Display

Poco X7 5G 80Redmi Note 15 5G 80

Both displays are effectively the same class.

Performance

Poco X7 5G 58Redmi Note 15 5G 48

The Poco X7 5G's MediaTek Dimensity 7300 Ultra (4nm) is simply the faster chip.

Camera

Poco X7 5G 67Redmi Note 15 5G 67

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

Battery

Poco X7 5G 90Redmi Note 15 5G 90

Battery capacities are close enough not to decide this.

Software longevity

Poco X7 5G 37Redmi Note 15 5G 49

The Redmi Note 15 5G is supported until Dec 2029 — 11 months longer than the Poco X7 5G.

Value

Poco X7 5G 75Redmi Note 15 5G 71

Overall value goes to the Poco X7 5G at $7.48 per month of safe use.

Full spec table

Spec	Poco X7 5G	Redmi Note 15 5G
Price (street)	$230	$250
Display	6.67-inch AMOLED, 1.5K (446 ppi), 120Hz, 3000 nits peak, Gorilla Glass Victus 2	6.77-inch AMOLED, FHD+, 120Hz, 3200 nits peak
Chipset	MediaTek Dimensity 7300 Ultra (4nm)	Qualcomm Snapdragon 6 Gen 3
RAM	8GB/12GB	8GB
Storage	128GB/256GB/512GB	256GB/512GB
Battery	5,500 mAh	5,520 mAh
Charging	45W wired	45W wired
Rear cameras	50MP main, 8MP ultra-wide, 2MP macro	108MP main, 8MP ultra-wide
Dimensions	162.3 × 74.4 × 8.4 mm	164 × 75.4 × 7.4 mm
Weight	190 g	178 g
Water resistance	IP68 (also IP69)	IP66
Supported until	Jan 2029	Dec 2029

Poco X7 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.