12 4G vs Galaxy M15 5G

Phone 1

Phone 2

Winner

Samsung Galaxy M15 5G

The Galaxy M15 5G wins this one, taking battery and software longevity decisively. Against the 12 4G it's also the sounder buy at $4.47 per month of safe use.

Value Score: 12 4G 63 · 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.

Realme 12 4G $175

Buy with care$7.16/mo

2024◆ Buy-by Jul 20262028

Samsung Galaxy M15 5G $150

Buy with care$4.47/mo

2024◆ Buy-by Apr 20272029

Category by category

Display

12 4G 70Galaxy M15 5G 50

The 12 4G's screen is the better one — 6.67-inch amoled, fhd+, 120hz, up to 2000 nits peak.

Performance

12 4G 36Galaxy M15 5G 38

Performance is a wash — same chip tier.

Camera

12 4G 55Galaxy M15 5G 55

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

Battery

12 4G 80Galaxy M15 5G 100

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

Software longevity

12 4G 29Galaxy M15 5G 40

The Galaxy M15 5G is supported until Apr 2029 — 9 months longer than the 12 4G.

Value

12 4G 63Galaxy M15 5G 71

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

Full spec table

Spec	12 4G	Galaxy M15 5G
Price (street)	$175	$150
Display	6.67-inch AMOLED, FHD+, 120Hz, up to 2000 nits peak	6.5-inch Super AMOLED, 1080 x 2340 (FHD+), 90Hz
Chipset	Qualcomm Snapdragon 685 (6nm)	MediaTek Dimensity 6100+
RAM	8GB	4GB/6GB/8GB
Storage	128GB/256GB	128GB/256GB
Battery	5,000 mAh	6,000 mAh
Charging	67W wired SUPERVOOC	25W wired
Rear cameras	50MP main, 2MP depth	50MP main, 5MP ultra-wide, 2MP macro
Dimensions	163 × 75.5 × 7.9 mm	160.1 × 76.8 × 9.3 mm
Weight	187 g	217 g
Water resistance	IP54	None
Supported until	Jul 2028	Apr 2029

12 4G 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.