PhoneLifespan

Galaxy M15 5G vs Galaxy S23

vs

It depends

Too close to call outright

These two are within 4 points overall, so it depends on you: keep phones for years → Galaxy M15 5G (supported until Apr 2029); want maximum speed → Galaxy S23 (Snapdragon 8 Gen 2 for Galaxy).

Value Score: Galaxy M15 5G 71 · Galaxy S23 67 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 S23 $175
Buy with care$8.77/mo
2023◆ Buy-by Feb 20262028

Category by category

Display
Galaxy M15 5G 50Galaxy S23 70

The Galaxy S23's screen is the better one — 6.1-inch dynamic amoled 2x, fhd+, 120hz.

Performance
Galaxy M15 5G 38Galaxy S23 85

The Galaxy S23's Snapdragon 8 Gen 2 for Galaxy is simply the faster chip.

Camera
Galaxy M15 5G 55Galaxy S23 79

The Galaxy S23 has the stronger camera system (3 real rear lenses vs 1).

Battery
Galaxy M15 5G 100Galaxy S23 58

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

Software longevity
Galaxy M15 5G 40Galaxy S23 24

The Galaxy M15 5G is supported until Apr 2029 — 14 months longer than the Galaxy S23.

Value
Galaxy M15 5G 71Galaxy S23 67

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

Full spec table
SpecGalaxy M15 5GGalaxy S23
Price (street)$150$175
Display6.5-inch Super AMOLED, 1080 x 2340 (FHD+), 90Hz6.1-inch Dynamic AMOLED 2X, FHD+, 120Hz
ChipsetMediaTek Dimensity 6100+Snapdragon 8 Gen 2 for Galaxy
RAM4GB/6GB/8GB8GB
Storage128GB/256GB128GB/256GB
Battery6,000 mAh3,900 mAh
Charging25W wired25W wired, 15W wireless, 4.5W reverse wireless
Rear cameras50MP main, 5MP ultra-wide, 2MP macro50MP main, 12MP ultra-wide, 10MP telephoto 3x
Dimensions160.1 × 76.8 × 9.3 mm146.3 × 70.9 × 7.6 mm
Weight217 g168 g
Water resistanceNoneIP68
Supported untilApr 2029Feb 2028

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