PhoneLifespan

11 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 11 runs out in Feb 2028 ($17.27/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 11 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.

OnePlus 11 $340
Buy with care$17.27/mo
2023◆ Buy-by Feb 20262028
Xiaomi Redmi Note 15 5G $250
Safe to buy$6.03/mo
2025◆ Buy-by Dec 20272029

Category by category

Display
11 90Redmi Note 15 5G 80

The 11's screen is the better one — 6.7-inch 2k (3216×1440) 120hz ltpo 3.0 super fluid amoled, 525 ppi, dolby vision.

Performance
11 85Redmi Note 15 5G 48

The 11's Qualcomm Snapdragon 8 Gen 2 is simply the faster chip.

Camera
11 79Redmi Note 15 5G 67

The 11 has the stronger camera system (3 real rear lenses vs 2).

Battery
11 80Redmi Note 15 5G 90

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

Software longevity
11 23Redmi Note 15 5G 49

The Redmi Note 15 5G is supported until Dec 2029 — 22 months longer than the 11.

Value
11 73Redmi Note 15 5G 71

Pound for pound, these two are equally good deals.

Full spec table
Spec11Redmi Note 15 5G
Price (street)$340$250
Display6.7-inch 2K (3216×1440) 120Hz LTPO 3.0 Super Fluid AMOLED, 525 ppi, Dolby Vision6.77-inch AMOLED, FHD+, 120Hz, 3200 nits peak
ChipsetQualcomm Snapdragon 8 Gen 2Qualcomm Snapdragon 6 Gen 3
RAM8GB/16GB8GB
Storage128GB/256GB256GB/512GB
Battery5,000 mAh5,520 mAh
Charging100W SUPERVOOC wired charging (80W in North America); no wireless charging45W wired
Rear cameras50MP main wide (Sony IMX890, OIS), 48MP ultra wide (Sony IMX581), 32MP telephoto 2x (Sony IMX709)108MP main, 8MP ultra-wide
Dimensions163.1 × 74.1 × 8.53 mm164 × 75.4 × 7.4 mm
Weight205 g178 g
Water resistanceIP64IP66
Supported untilFeb 2028Dec 2029

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