Galaxy M54 5G vs Redmi K80

Phone 1

Phone 2

Winner

Xiaomi Redmi K80

Lifespan decides this one: the Redmi K80 is supported until Nov 2029 at $8.59 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 K80 79 — 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 K80 $355

Safe to buy$8.59/mo

2024◆ Buy-by Nov 20272029

Category by category

Display

Galaxy M54 5G 70Redmi K80 80

The Redmi K80's screen is the better one — 6.67-inch amoled, 2k, 120hz, 3200 nits peak.

Performance

Galaxy M54 5G 58Redmi K80 92

The Redmi K80's Qualcomm Snapdragon 8 Gen 3 (4nm) is simply the faster chip.

Camera

Galaxy M54 5G 67Redmi K80 67

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

Battery

Galaxy M54 5G 100Redmi K80 100

Battery capacities are close enough not to decide this.

Software longevity

Galaxy M54 5G 25Redmi K80 49

The Redmi K80 is supported until Nov 2029 — 20 months longer than the Galaxy M54 5G.

Value

Galaxy M54 5G 72Redmi K80 79

Overall value goes to the Redmi K80 at $8.59 per month of safe use.

Full spec table

Spec	Galaxy M54 5G	Redmi K80
Price (street)	$220	$355
Display	6.7-inch Super AMOLED Plus, 1080x2400 (FHD+), 120Hz	6.67-inch AMOLED, 2K, 120Hz, 3200 nits peak
Chipset	Samsung Exynos 1380	Qualcomm Snapdragon 8 Gen 3 (4nm)
RAM	8GB	12GB/16GB
Storage	128GB/256GB	256GB/512GB/1TB
Battery	6,000 mAh	6,550 mAh
Charging	25W wired	90W wired, 30W wireless
Rear cameras	108MP main, 8MP ultra-wide, 2MP macro	50MP main, 8MP ultra-wide, 2MP macro
Dimensions	164.9 × 77.3 × 8.4 mm	160.3 × 75.0 × 8.0 mm
Weight	199 g	206 g
Water resistance	None	IP68
Supported until	Mar 2028	Nov 2029

Galaxy M54 5G full verdict →Redmi K80 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.