PhoneLifespan

14 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 $4.80 per month of safe use, while the 14 5G runs out in Mar 2029 ($5.26/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 14 5G 74 · 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 14 5G $175
Buy with care$5.26/mo
2025◆ Buy-by Mar 20272029
Xiaomi Redmi 15 5G $180
Safe to buy$4.80/mo
2025◆ Buy-by Aug 20272029

Category by category

Display
14 5G 70Redmi 15 5G 70

Both displays are effectively the same class.

Performance
14 5G 55Redmi 15 5G 46

The 14 5G's Qualcomm Snapdragon 6 Gen 4 is simply the faster chip.

Camera
14 5G 55Redmi 15 5G 55

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

Battery
14 5G 100Redmi 15 5G 100

Battery capacities are close enough not to decide this.

Software longevity
14 5G 40Redmi 15 5G 45

The Redmi 15 5G is supported until Aug 2029 — 4 months longer than the 14 5G.

Value
14 5G 74Redmi 15 5G 75

Pound for pound, these two are equally good deals.

Full spec table
Spec14 5GRedmi 15 5G
Price (street)$175$180
Display6.67-inch AMOLED, FHD+, 120Hz, up to 2000 nits6.9-inch IPS LCD, FHD+, 144Hz, 850 nits peak
ChipsetQualcomm Snapdragon 6 Gen 4Qualcomm Snapdragon 6s Gen 3
RAM6GB/8GB/12GB4GB/6GB/8GB
Storage128GB/256GB/512GB128GB/256GB
Battery6,000 mAh7,000 mAh
Charging45W wired with bypass charging33W wired, 18W reverse wired
Rear cameras50MP main, 2MP depth50MP main, 2MP depth
Dimensions163.1 × 75.7 × 8 mm169.5 × 80.5 × 8.4 mm
Weight196 g217 g
Water resistanceIP68/IP69IP64
Supported untilMar 2029Aug 2029

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