PhoneLifespan

Galaxy M55 5G vs 13

vs

Winner

Samsung Galaxy M55 5G

Lifespan decides this one: the Galaxy M55 5G is supported until Mar 2029 at $8.07 per month of safe use, while the 13 runs out in Dec 2027 ($22.19/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Galaxy M55 5G 73 · 13 64 — 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
Xiaomi 13 $400
Buy with care$22.19/mo
2022◆ Buy-by Dec 20252027

Category by category

Display
Galaxy M55 5G 7013 70

Both displays are effectively the same class.

Performance
Galaxy M55 5G 7013 85

The 13's Qualcomm Snapdragon 8 Gen 2 is simply the faster chip.

Camera
Galaxy M55 5G 6713 79

The 13 has the stronger camera system (3 real rear lenses vs 2).

Battery
Galaxy M55 5G 8013 70

5,000mAh vs 4,500mAh — the Galaxy M55 5G lasts longer between charges.

Software longevity
Galaxy M55 5G 4013 21

The Galaxy M55 5G is supported until Mar 2029 — 15 months longer than the 13.

Value
Galaxy M55 5G 7313 64

Overall value goes to the Galaxy M55 5G at $8.07 per month of safe use.

Full spec table
SpecGalaxy M55 5G13
Price (street)$270$400
Display6.7-inch Super AMOLED Plus, 1080x2400 (FHD+), 120Hz6.36-inch AMOLED, 2400 x 1080, 120Hz
ChipsetQualcomm Snapdragon 7 Gen 1Qualcomm Snapdragon 8 Gen 2
RAM8GB/12GB8GB/12GB
Storage128GB/256GB128GB/256GB/512GB
Battery5,000 mAh4,500 mAh
Charging45W wired67W wired, 50W wireless
Rear cameras50MP main, 8MP ultra-wide, 2MP macro50MP main, 12MP ultra-wide, 10MP telephoto 3.2x
Dimensions163.9 × 76.5 × 7.8 mm152.8 × 71.5 × 8.0 mm
Weight180 g189 g
Water resistanceNoneIP68
Supported untilMar 2029Dec 2027
Galaxy M55 5G full verdict →13 full verdict →Longevity master board →

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