PhoneLifespan

13 5G vs Redmi 15 5G

vs

Winner

Xiaomi Redmi 15 5G

Lifespan decides this one: the Redmi 15 5G is supported until Aug 2029 at $4.81 per month of safe use, while the 13 5G runs out in Sep 2028 ($6.01/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 13 5G 69 · 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.

Realme 13 5G $160
Buy with care$6.01/mo
2024◆ Buy-by Sep 20262028
Xiaomi Redmi 15 5G $180
Safe to buy$4.81/mo
2025◆ Buy-by Aug 20272029

Category by category

Display
13 5G 70Redmi 15 5G 70

Both displays are effectively the same class.

Performance
13 5G 42Redmi 15 5G 46

The Redmi 15 5G's Qualcomm Snapdragon 6s Gen 3 is simply the faster chip.

Camera
13 5G 55Redmi 15 5G 55

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

Battery
13 5G 80Redmi 15 5G 100

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

Software longevity
13 5G 32Redmi 15 5G 45

The Redmi 15 5G is supported until Aug 2029 — 11 months longer than the 13 5G.

Value
13 5G 69Redmi 15 5G 75

Overall value goes to the Redmi 15 5G at $4.81 per month of safe use.

Full spec table
Spec13 5GRedmi 15 5G
Price (street)$160$180
Display6.72-inch IPS LCD, FHD+, 120Hz6.9-inch IPS LCD, FHD+, 144Hz, 850 nits peak
ChipsetMediaTek Dimensity 6300Qualcomm Snapdragon 6s Gen 3
RAM8GB/12GB4GB/6GB/8GB
Storage128GB/256GB128GB/256GB
Battery5,000 mAh7,000 mAh
Charging45W wired33W wired, 18W reverse wired
Rear cameras50MP main50MP main, 2MP depth
Dimensions165.6 x 76.1 x 7.8 mm169.5 × 80.5 × 8.4 mm
Weight190 g217 g
Water resistanceIP64IP64
Supported untilSep 2028Aug 2029

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