PhoneLifespan

Galaxy A55 5G vs Galaxy M55 5G

vs

Winner

Samsung Galaxy M55 5G

The Galaxy M55 5G wins this one, taking performance decisively. Against the Galaxy A55 5G it's also the sounder buy at $8.07 per month of safe use.

Value Score: Galaxy A55 5G 67 · Galaxy M55 5G 73 — 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 A55 5G $300
Buy with care$9.08/mo
2024◆ Buy-by Mar 20272029
Samsung Galaxy M55 5G $270
Buy with care$8.07/mo
2024◆ Buy-by Mar 20272029

Category by category

Display
Galaxy A55 5G 70Galaxy M55 5G 70

Both displays are effectively the same class.

Performance
Galaxy A55 5G 60Galaxy M55 5G 70

The Galaxy M55 5G's Qualcomm Snapdragon 7 Gen 1 is simply the faster chip.

Camera
Galaxy A55 5G 67Galaxy M55 5G 67

Camera systems are comparable on paper — pick by sample photos.

Battery
Galaxy A55 5G 80Galaxy M55 5G 80

Battery capacities are close enough not to decide this.

Software longevity
Galaxy A55 5G 39Galaxy M55 5G 40

Both phones' support windows end around the same time.

Value
Galaxy A55 5G 67Galaxy M55 5G 73

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

Full spec table
SpecGalaxy A55 5GGalaxy M55 5G
Price (street)$300$270
Display6.6-inch Super AMOLED, 1080x2340 (FHD+), 120Hz6.7-inch Super AMOLED Plus, 1080x2400 (FHD+), 120Hz
ChipsetExynos 1480Qualcomm Snapdragon 7 Gen 1
RAM8GB/12GB8GB/12GB
Storage128GB/256GB128GB/256GB
Battery5,000 mAh5,000 mAh
Charging25W wired45W wired
Rear cameras50MP main, 12MP ultra-wide, 5MP macro50MP main, 8MP ultra-wide, 2MP macro
Dimensions161.1 × 77.4 × 8.2 mm163.9 × 76.5 × 7.8 mm
Weight213 g180 g
Water resistanceIP67None
Supported untilMar 2029Mar 2029
Galaxy A55 5G full verdict →Galaxy M55 5G 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.