Galaxy A55 5G vs Galaxy M15 5G

Phone 1

Phone 2

Winner

Samsung Galaxy M15 5G

Lifespan decides this one: the Galaxy M15 5G is supported until Apr 2029 at $4.47 per month of safe use, while the Galaxy A55 5G runs out in Mar 2029 ($9.13/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Galaxy A55 5G 67 · Galaxy M15 5G 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 A55 5G $300

Buy with care$9.13/mo

2024◆ Buy-by Mar 20272029

Samsung Galaxy M15 5G $150

Buy with care$4.47/mo

2024◆ Buy-by Apr 20272029

Category by category

Display

Galaxy A55 5G 70Galaxy M15 5G 50

The Galaxy A55 5G's screen is the better one — 6.6-inch super amoled, 1080x2340 (fhd+), 120hz.

Performance

Galaxy A55 5G 60Galaxy M15 5G 38

The Galaxy A55 5G's Exynos 1480 is simply the faster chip.

Camera

Galaxy A55 5G 67Galaxy M15 5G 55

The Galaxy A55 5G has the stronger camera system (2 real rear lenses vs 1).

Battery

Galaxy A55 5G 80Galaxy M15 5G 100

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

Software longevity

Galaxy A55 5G 39Galaxy M15 5G 40

Both phones' support windows end around the same time.

Value

Galaxy A55 5G 67Galaxy M15 5G 71

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

Full spec table

Spec	Galaxy A55 5G	Galaxy M15 5G
Price (street)	$300	$150
Display	6.6-inch Super AMOLED, 1080x2340 (FHD+), 120Hz	6.5-inch Super AMOLED, 1080 x 2340 (FHD+), 90Hz
Chipset	Exynos 1480	MediaTek Dimensity 6100+
RAM	8GB/12GB	4GB/6GB/8GB
Storage	128GB/256GB	128GB/256GB
Battery	5,000 mAh	6,000 mAh
Charging	25W wired	25W wired
Rear cameras	50MP main, 12MP ultra-wide, 5MP macro	50MP main, 5MP ultra-wide, 2MP macro
Dimensions	161.1 × 77.4 × 8.2 mm	160.1 × 76.8 × 9.3 mm
Weight	213 g	217 g
Water resistance	IP67	None
Supported until	Mar 2029	Apr 2029

Galaxy A55 5G full verdict →Galaxy M15 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.