Galaxy M54 5G vs Redmi 15 5G

Phone 1

Phone 2

Winner

Xiaomi Redmi 15 5G

Lifespan decides this one: the Redmi 15 5G is supported until Aug 2029 at $4.81 per month of safe use, while the Galaxy M54 5G runs out in Mar 2028 ($10.41/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Galaxy M54 5G 72 · Redmi 15 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 M54 5G $220

Buy with care$10.41/mo

2023◆ Buy-by Mar 20262028

Xiaomi Redmi 15 5G $180

Safe to buy$4.81/mo

2025◆ Buy-by Aug 20272029

Category by category

Display

Galaxy M54 5G 70Redmi 15 5G 70

Both displays are effectively the same class.

Performance

Galaxy M54 5G 58Redmi 15 5G 46

The Galaxy M54 5G's Samsung Exynos 1380 is simply the faster chip.

Camera

Galaxy M54 5G 67Redmi 15 5G 55

The Galaxy M54 5G has the stronger camera system (2 real rear lenses vs 1).

Battery

Galaxy M54 5G 100Redmi 15 5G 100

Battery capacities are close enough not to decide this.

Software longevity

Galaxy M54 5G 25Redmi 15 5G 45

The Redmi 15 5G is supported until Aug 2029 — 16 months longer than the Galaxy M54 5G.

Value

Galaxy M54 5G 72Redmi 15 5G 75

Pound for pound, these two are equally good deals.

Full spec table

Spec	Galaxy M54 5G	Redmi 15 5G
Price (street)	$220	$180
Display	6.7-inch Super AMOLED Plus, 1080x2400 (FHD+), 120Hz	6.9-inch IPS LCD, FHD+, 144Hz, 850 nits peak
Chipset	Samsung Exynos 1380	Qualcomm Snapdragon 6s Gen 3
RAM	8GB	4GB/6GB/8GB
Storage	128GB/256GB	128GB/256GB
Battery	6,000 mAh	7,000 mAh
Charging	25W wired	33W wired, 18W reverse wired
Rear cameras	108MP main, 8MP ultra-wide, 2MP macro	50MP main, 2MP depth
Dimensions	164.9 × 77.3 × 8.4 mm	169.5 × 80.5 × 8.4 mm
Weight	199 g	217 g
Water resistance	None	IP64
Supported until	Mar 2028	Aug 2029

Galaxy M54 5G full verdict →Redmi 15 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.