Galaxy M15 5G vs Galaxy M17 5G

Phone 1

Phone 2

Winner

Samsung Galaxy M17 5G

Lifespan decides this one: the Galaxy M17 5G is supported until Oct 2031 at $3.05 per month of safe use, while the Galaxy M15 5G runs out in Apr 2029 ($4.47/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Galaxy M15 5G 71 · Galaxy M17 5G 75 — 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 M15 5G $150

Buy with care$4.47/mo

2024◆ Buy-by Apr 20272029

Samsung Galaxy M17 5G $195

Safe to buy$3.05/mo

2025◆ Buy-by Oct 20292031

Category by category

Display

Galaxy M15 5G 50Galaxy M17 5G 50

Both displays are effectively the same class.

Performance

Galaxy M15 5G 38Galaxy M17 5G 45

The Galaxy M17 5G's Samsung Exynos 1330 (5nm) is simply the faster chip.

Camera

Galaxy M15 5G 55Galaxy M17 5G 55

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

Battery

Galaxy M15 5G 100Galaxy M17 5G 80

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

Software longevity

Galaxy M15 5G 40Galaxy M17 5G 76

The Galaxy M17 5G is supported until Oct 2031 — 30 months longer than the Galaxy M15 5G.

Value

Galaxy M15 5G 71Galaxy M17 5G 75

Overall value goes to the Galaxy M17 5G at $3.05 per month of safe use.

Full spec table

Spec	Galaxy M15 5G	Galaxy M17 5G
Price (street)	$150	$195
Display	6.5-inch Super AMOLED, 1080 x 2340 (FHD+), 90Hz	6.7-inch Super AMOLED, FHD+, 90Hz, Gorilla Glass Victus
Chipset	MediaTek Dimensity 6100+	Samsung Exynos 1330 (5nm)
RAM	4GB/6GB/8GB	4GB/6GB/8GB
Storage	128GB/256GB	128GB
Battery	6,000 mAh	5,000 mAh
Charging	25W wired	25W wired
Rear cameras	50MP main, 5MP ultra-wide, 2MP macro	50MP main, 5MP ultra-wide, 2MP macro
Dimensions	160.1 × 76.8 × 9.3 mm	164.4 × 77.9 × 7.5 mm
Weight	217 g	192 g
Water resistance	None	IP54
Supported until	Apr 2029	Oct 2031

Galaxy M15 5G full verdict →Galaxy M17 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.