PhoneLifespan

Galaxy M15 5G vs Galaxy S25 Edge

vs

Winner

Samsung Galaxy S25 Edge

Lifespan decides this one: the Galaxy S25 Edge is supported until May 2032 at $12.60 per month of safe use, while the Galaxy M15 5G runs out in Apr 2029 ($4.47/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Galaxy M15 5G 71 · Galaxy S25 Edge 69 methodology

The lifespan decider

When specs are close, support length decides it — this is what each phone costs per month of safe use.

Samsung Galaxy M15 5G $150
Buy with care$4.47/mo
2024◆ Buy-by Apr 20272029
Samsung Galaxy S25 Edge $899
Safe to buy$12.60/mo
2025◆ Buy-by May 20302032

Category by category

Display
Galaxy M15 5G 50Galaxy S25 Edge 100

The Galaxy S25 Edge's screen is the better one — 6.7-inch dynamic amoled 2x, qhd+, 1–120hz, up to 2600 nits.

Performance
Galaxy M15 5G 38Galaxy S25 Edge 98

The Galaxy S25 Edge's Snapdragon 8 Elite for Galaxy is simply the faster chip.

Camera
Galaxy M15 5G 55Galaxy S25 Edge 72

The Galaxy S25 Edge has the stronger camera system (2 real rear lenses vs 1).

Battery
Galaxy M15 5G 100Galaxy S25 Edge 58

6,000mAh vs 3,900mAh — the Galaxy M15 5G lasts longer between charges.

Software longevity
Galaxy M15 5G 40Galaxy S25 Edge 85

The Galaxy S25 Edge is supported until May 2032 — 38 months longer than the Galaxy M15 5G.

Value
Galaxy M15 5G 71Galaxy S25 Edge 69

Pound for pound, these two are equally good deals.

Full spec table
SpecGalaxy M15 5GGalaxy S25 Edge
Price (street)$150$899
Display6.5-inch Super AMOLED, 1080 x 2340 (FHD+), 90Hz6.7-inch Dynamic AMOLED 2X, QHD+, 1–120Hz, up to 2600 nits
ChipsetMediaTek Dimensity 6100+Snapdragon 8 Elite for Galaxy
RAM4GB/6GB/8GB12GB
Storage128GB/256GB256GB/512GB
Battery6,000 mAh3,900 mAh
Charging25W wired25W wired, 15W wireless
Rear cameras50MP main, 5MP ultra-wide, 2MP macro200MP main, 12MP ultra-wide
Dimensions160.1 × 76.8 × 9.3 mm158.2 × 75.6 × 5.8 mm
Weight217 g163 g
Water resistanceNoneIP68
Supported untilApr 2029May 2032

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