PhoneLifespan

Galaxy M15 5G vs Galaxy S24+

vs

Winner

Samsung Galaxy S24+

Lifespan decides this one: the Galaxy S24+ is supported until Jan 2031 at $12.57 per month of safe use, while the Galaxy M15 5G runs out in Apr 2029 ($4.45/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Galaxy M15 5G 71 · Galaxy S24+ 71 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$4.45/mo
2024◆ Buy-by Apr 20272029
Samsung Galaxy S24+ $699
Safe to buy$12.57/mo
2024◆ Buy-by Jan 20292031

Category by category

Display
Galaxy M15 5G 50Galaxy S24+ 100

The Galaxy S24+'s screen is the better one — 6.7-inch dynamic amoled 2x, qhd+ (3120×1440), 1–120hz, up to 2600 nits.

Performance
Galaxy M15 5G 38Galaxy S24+ 92

The Galaxy S24+'s Snapdragon 8 Gen 3 for Galaxy (US) is simply the faster chip.

Camera
Galaxy M15 5G 55Galaxy S24+ 79

The Galaxy S24+ has the stronger camera system (3 real rear lenses vs 1).

Battery
Galaxy M15 5G 100Galaxy S24+ 78

6,000mAh vs 4,900mAh — the Galaxy M15 5G lasts longer between charges.

Software longevity
Galaxy M15 5G 40Galaxy S24+ 66

The Galaxy S24+ is supported until Jan 2031 — 22 months longer than the Galaxy M15 5G.

Value
Galaxy M15 5G 71Galaxy S24+ 71

Pound for pound, these two are equally good deals.

Full spec table
SpecGalaxy M15 5GGalaxy S24+
Price (street)$150$699
Display6.5-inch Super AMOLED, 1080 x 2340 (FHD+), 90Hz6.7-inch Dynamic AMOLED 2X, QHD+ (3120×1440), 1–120Hz, up to 2600 nits
ChipsetMediaTek Dimensity 6100+Snapdragon 8 Gen 3 for Galaxy (US)
RAM4GB/6GB/8GB12GB
Storage128GB/256GB256GB/512GB
Battery6,000 mAh4,900 mAh
Charging25W wired45W wired, 15W wireless
Rear cameras50MP main, 5MP ultra-wide, 2MP macro50MP main, 12MP ultra-wide, 10MP telephoto 3x
Dimensions160.1 × 76.8 × 9.3 mm158.5 × 75.9 × 7.7 mm
Weight217 g196 g
Water resistanceNoneIP68
Supported untilApr 2029Jan 2031

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