PhoneLifespan

Moto G15 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 Moto G15 runs out in Feb 2028 ($8.81/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Moto G15 65 · 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.

Motorola Moto G15 $175
Buy with care$8.81/mo
2025◆ Buy-by Feb 20262028
Xiaomi Redmi 15 5G $180
Safe to buy$4.80/mo
2025◆ Buy-by Aug 20272029

Category by category

Display
Moto G15 70Redmi 15 5G 70

Both displays are effectively the same class.

Performance
Moto G15 39Redmi 15 5G 46

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

Camera
Moto G15 55Redmi 15 5G 55

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

Battery
Moto G15 84Redmi 15 5G 100

7,000mAh vs 5,200mAh — the Redmi 15 5G lasts longer between charges.

Software longevity
Moto G15 24Redmi 15 5G 45

The Redmi 15 5G is supported until Aug 2029 — 18 months longer than the Moto G15.

Value
Moto G15 65Redmi 15 5G 75

Overall value goes to the Redmi 15 5G at $4.80 per month of safe use.

Full spec table
SpecMoto G15Redmi 15 5G
Price (street)$175$180
Display6.72-inch IPS LCD, FHD+, 120Hz6.9-inch IPS LCD, FHD+, 144Hz, 850 nits peak
ChipsetMediaTek Helio G81 ExtremeQualcomm Snapdragon 6s Gen 3
RAM4GB/8GB4GB/6GB/8GB
Storage128GB/256GB/512GB128GB/256GB
Battery5,200 mAh7,000 mAh
Charging18W wired33W wired, 18W reverse wired
Rear cameras50MP main, 2MP macro50MP main, 2MP depth
Dimensions165.7 × 76 × 8.2 mm169.5 × 80.5 × 8.4 mm
Weight190 g217 g
Water resistanceIP54IP64
Supported untilFeb 2028Aug 2029
Moto G15 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.