PhoneLifespan

12+ 5G vs Redmi Note 15 5G

vs

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 12+ 5G runs out in Mar 2028 ($10.50/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 12+ 5G 68 · 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 12+ 5G $215
Buy with care$10.50/mo
2024◆ Buy-by Mar 20262028
Xiaomi Redmi Note 15 5G $250
Safe to buy$6.03/mo
2025◆ Buy-by Dec 20272029

Category by category

Display
12+ 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
12+ 5G 52Redmi Note 15 5G 48

The 12+ 5G's MediaTek Dimensity 7050 (6nm) is simply the faster chip.

Camera
12+ 5G 67Redmi Note 15 5G 67

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

Battery
12+ 5G 80Redmi Note 15 5G 90

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

Software longevity
12+ 5G 24Redmi Note 15 5G 49

The Redmi Note 15 5G is supported until Dec 2029 — 21 months longer than the 12+ 5G.

Value
12+ 5G 68Redmi Note 15 5G 71

Pound for pound, these two are equally good deals.

Full spec table
Spec12+ 5GRedmi Note 15 5G
Price (street)$215$250
Display6.67-inch curved AMOLED, FHD+, 120Hz, up to 2000 nits peak6.77-inch AMOLED, FHD+, 120Hz, 3200 nits peak
ChipsetMediaTek Dimensity 7050 (6nm)Qualcomm Snapdragon 6 Gen 3
RAM8GB/12GB8GB
Storage128GB/256GB256GB/512GB
Battery5,000 mAh5,520 mAh
Charging67W wired SUPERVOOC45W wired
Rear cameras50MP main, 8MP ultra-wide, 2MP macro108MP main, 8MP ultra-wide
Dimensions162.3 × 75.1 × 7.9 mm164 × 75.4 × 7.4 mm
Weight190 g178 g
Water resistanceIP54IP66
Supported untilMar 2028Dec 2029

Scores and verdicts are computed from our verified database — see exactly how. Specs from manufacturer documentation; prices reflect major US retailers.