PhoneLifespan

Moto G15 vs Galaxy M15 5G

vs

Winner

Samsung Galaxy M15 5G

The Galaxy M15 5G wins this one, taking battery and software longevity decisively. Against the Moto G15 it's also the sounder buy at $4.47 per month of safe use.

Value Score: Moto G15 65 · Galaxy M15 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.

Motorola Moto G15 $175
Buy with care$8.81/mo
2025◆ Buy-by Feb 20262028
Samsung Galaxy M15 5G $150
Buy with care$4.47/mo
2024◆ Buy-by Apr 20272029

Category by category

Display
Moto G15 70Galaxy M15 5G 50

The Moto G15's screen is the better one — 6.72-inch ips lcd, fhd+, 120hz.

Performance
Moto G15 39Galaxy M15 5G 38

Performance is a wash — same chip tier.

Camera
Moto G15 55Galaxy M15 5G 55

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

Battery
Moto G15 84Galaxy M15 5G 100

6,000mAh vs 5,200mAh — the Galaxy M15 5G lasts longer between charges.

Software longevity
Moto G15 24Galaxy M15 5G 40

The Galaxy M15 5G is supported until Apr 2029 — 14 months longer than the Moto G15.

Value
Moto G15 65Galaxy M15 5G 71

Overall value goes to the Galaxy M15 5G at $4.47 per month of safe use.

Full spec table
SpecMoto G15Galaxy M15 5G
Price (street)$175$150
Display6.72-inch IPS LCD, FHD+, 120Hz6.5-inch Super AMOLED, 1080 x 2340 (FHD+), 90Hz
ChipsetMediaTek Helio G81 ExtremeMediaTek Dimensity 6100+
RAM4GB/8GB4GB/6GB/8GB
Storage128GB/256GB/512GB128GB/256GB
Battery5,200 mAh6,000 mAh
Charging18W wired25W wired
Rear cameras50MP main, 2MP macro50MP main, 5MP ultra-wide, 2MP macro
Dimensions165.7 × 76 × 8.2 mm160.1 × 76.8 × 9.3 mm
Weight190 g217 g
Water resistanceIP54None
Supported untilFeb 2028Apr 2029

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