GT 30 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 GT 30 5G runs out in Aug 2028 ($9.43/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: GT 30 5G 72 · 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.

Infinix GT 30 5G $240

Buy with care$9.43/mo

2025◆ Buy-by Aug 20262028

Samsung Galaxy M15 5G $150

Buy with care$4.47/mo

2024◆ Buy-by Apr 20272029

Category by category

Display

GT 30 5G 70Galaxy M15 5G 50

The GT 30 5G's screen is the better one — 6.78-inch ltps amoled, 1.5k, 144hz, gorilla glass 7i.

Performance

GT 30 5G 62Galaxy M15 5G 38

The GT 30 5G's MediaTek Dimensity 7400 is simply the faster chip.

Camera

GT 30 5G 67Galaxy M15 5G 55

The GT 30 5G has the stronger camera system (2 real rear lenses vs 1).

Battery

GT 30 5G 90Galaxy M15 5G 100

6,000mAh vs 5,500mAh — the Galaxy M15 5G lasts longer between charges.

Software longevity

GT 30 5G 30Galaxy M15 5G 40

The Galaxy M15 5G is supported until Apr 2029 — 8 months longer than the GT 30 5G.

Value

GT 30 5G 72Galaxy M15 5G 71

Pound for pound, these two are equally good deals.

Full spec table

Spec	GT 30 5G	Galaxy M15 5G
Price (street)	$240	$150
Display	6.78-inch LTPS AMOLED, 1.5K, 144Hz, Gorilla Glass 7i	6.5-inch Super AMOLED, 1080 x 2340 (FHD+), 90Hz
Chipset	MediaTek Dimensity 7400	MediaTek Dimensity 6100+
RAM	8GB	4GB/6GB/8GB
Storage	256GB	128GB/256GB
Battery	5,500 mAh	6,000 mAh
Charging	45W wired	25W wired
Rear cameras	64MP main, 8MP ultra-wide	50MP main, 5MP ultra-wide, 2MP macro
Dimensions	163.7 x 75.8 x 8.0 mm	160.1 × 76.8 × 9.3 mm
Weight	187 g	217 g
Water resistance	IP64	None
Supported until	Aug 2028	Apr 2029

GT 30 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.