PhoneLifespan

11 vs Redmi 15 5G

vs

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 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 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.

OnePlus 11 $340
Buy with care$17.27/mo
2023◆ Buy-by Feb 20262028
Xiaomi Redmi 15 5G $180
Safe to buy$4.80/mo
2025◆ Buy-by Aug 20272029

Category by category

Display
11 90Redmi 15 5G 70

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 15 5G 46

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

Camera
11 79Redmi 15 5G 55

The 11 has the stronger camera system (3 real rear lenses vs 1).

Battery
11 80Redmi 15 5G 100

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

Software longevity
11 23Redmi 15 5G 45

The Redmi 15 5G is supported until Aug 2029 — 18 months longer than the 11.

Value
11 73Redmi 15 5G 75

Pound for pound, these two are equally good deals.

Full spec table
Spec11Redmi 15 5G
Price (street)$340$180
Display6.7-inch 2K (3216×1440) 120Hz LTPO 3.0 Super Fluid AMOLED, 525 ppi, Dolby Vision6.9-inch IPS LCD, FHD+, 144Hz, 850 nits peak
ChipsetQualcomm Snapdragon 8 Gen 2Qualcomm Snapdragon 6s Gen 3
RAM8GB/16GB4GB/6GB/8GB
Storage128GB/256GB128GB/256GB
Battery5,000 mAh7,000 mAh
Charging100W SUPERVOOC wired charging (80W in North America); no wireless charging33W wired, 18W reverse wired
Rear cameras50MP main wide (Sony IMX890, OIS), 48MP ultra wide (Sony IMX581), 32MP telephoto 2x (Sony IMX709)50MP main, 2MP depth
Dimensions163.1 × 74.1 × 8.53 mm169.5 × 80.5 × 8.4 mm
Weight205 g217 g
Water resistanceIP64IP64
Supported untilFeb 2028Aug 2029
11 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.