PhoneLifespan

Galaxy M55 5G vs Galaxy S23+

vs

It depends

Too close to call outright

These two are within 3 points overall, so it depends on you: keep phones for years → Galaxy M55 5G (supported until Mar 2029); want maximum speed → Galaxy S23+ (Snapdragon 8 Gen 2 for Galaxy).

Value Score: Galaxy M55 5G 72 · Galaxy S23+ 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 M55 5G $270
Buy with care$8.12/mo
2024◆ Buy-by Mar 20272029
Samsung Galaxy S23+ $206
Buy with care$10.32/mo
2023◆ Buy-by Feb 20262028

Category by category

Display
Galaxy M55 5G 70Galaxy S23+ 70

Both displays are effectively the same class.

Performance
Galaxy M55 5G 70Galaxy S23+ 85

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

Camera
Galaxy M55 5G 67Galaxy S23+ 79

The Galaxy S23+ has the stronger camera system (3 real rear lenses vs 2).

Battery
Galaxy M55 5G 80Galaxy S23+ 74

5,000mAh vs 4,700mAh — the Galaxy M55 5G lasts longer between charges.

Software longevity
Galaxy M55 5G 40Galaxy S23+ 24

The Galaxy M55 5G is supported until Mar 2029 — 13 months longer than the Galaxy S23+.

Value
Galaxy M55 5G 72Galaxy S23+ 69

Pound for pound, these two are equally good deals.

Full spec table
SpecGalaxy M55 5GGalaxy S23+
Price (street)$270$206
Display6.7-inch Super AMOLED Plus, 1080x2400 (FHD+), 120Hz6.6-inch Dynamic AMOLED 2X, FHD+, 120Hz
ChipsetQualcomm Snapdragon 7 Gen 1Snapdragon 8 Gen 2 for Galaxy
RAM8GB/12GB8GB
Storage128GB/256GB256GB/512GB
Battery5,000 mAh4,700 mAh
Charging45W wired45W wired, 15W wireless, 4.5W reverse wireless
Rear cameras50MP main, 8MP ultra-wide, 2MP macro50MP main, 12MP ultra-wide, 10MP telephoto 3x
Dimensions163.9 × 76.5 × 7.8 mm157.8 × 76.2 × 7.6 mm
Weight180 g196 g
Water resistanceNoneIP68
Supported untilMar 2029Feb 2028

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