PhoneLifespan

Galaxy M55 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 M55 5G runs out in Mar 2029 ($8.07/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Galaxy M55 5G 73 · 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 M55 5G $270
Buy with care$8.07/mo
2024◆ Buy-by Mar 20272029
Samsung Galaxy S24+ $699
Safe to buy$12.57/mo
2024◆ Buy-by Jan 20292031

Category by category

Display
Galaxy M55 5G 70Galaxy 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 M55 5G 70Galaxy S24+ 92

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

Camera
Galaxy M55 5G 67Galaxy S24+ 79

The Galaxy S24+ has the stronger camera system (3 real rear lenses vs 2).

Battery
Galaxy M55 5G 80Galaxy S24+ 78

Battery capacities are close enough not to decide this.

Software longevity
Galaxy M55 5G 40Galaxy S24+ 66

The Galaxy S24+ is supported until Jan 2031 — 22 months longer than the Galaxy M55 5G.

Value
Galaxy M55 5G 73Galaxy S24+ 71

Pound for pound, these two are equally good deals.

Full spec table
SpecGalaxy M55 5GGalaxy S24+
Price (street)$270$699
Display6.7-inch Super AMOLED Plus, 1080x2400 (FHD+), 120Hz6.7-inch Dynamic AMOLED 2X, QHD+ (3120×1440), 1–120Hz, up to 2600 nits
ChipsetQualcomm Snapdragon 7 Gen 1Snapdragon 8 Gen 3 for Galaxy (US)
RAM8GB/12GB12GB
Storage128GB/256GB256GB/512GB
Battery5,000 mAh4,900 mAh
Charging45W wired45W wired, 15W wireless
Rear cameras50MP main, 8MP ultra-wide, 2MP macro50MP main, 12MP ultra-wide, 10MP telephoto 3x
Dimensions163.9 × 76.5 × 7.8 mm158.5 × 75.9 × 7.7 mm
Weight180 g196 g
Water resistanceNoneIP68
Supported untilMar 2029Jan 2031

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