PhoneLifespan

Galaxy F54 5G vs Redmi K80

vs

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 F54 5G runs out in Jun 2028 ($9.73/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Galaxy F54 5G 73 · 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 F54 5G $230
Buy with care$9.73/mo
2023◆ Buy-by Jun 20262028
Xiaomi Redmi K80 $355
Safe to buy$8.59/mo
2024◆ Buy-by Nov 20272029

Category by category

Display
Galaxy F54 5G 70Redmi K80 80

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

Performance
Galaxy F54 5G 58Redmi K80 92

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

Camera
Galaxy F54 5G 67Redmi K80 67

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

Battery
Galaxy F54 5G 100Redmi K80 100

Battery capacities are close enough not to decide this.

Software longevity
Galaxy F54 5G 28Redmi K80 49

The Redmi K80 is supported until Nov 2029 — 18 months longer than the Galaxy F54 5G.

Value
Galaxy F54 5G 73Redmi K80 79

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

Full spec table
SpecGalaxy F54 5GRedmi K80
Price (street)$230$355
Display6.7-inch Super AMOLED Plus, 1080x2400 (FHD+), 120Hz6.67-inch AMOLED, 2K, 120Hz, 3200 nits peak
ChipsetSamsung Exynos 1380Qualcomm Snapdragon 8 Gen 3 (4nm)
RAM8GB12GB/16GB
Storage256GB256GB/512GB/1TB
Battery6,000 mAh6,550 mAh
Charging25W wired90W wired, 30W wireless
Rear cameras108MP main, 8MP ultra-wide, 2MP macro50MP main, 8MP ultra-wide, 2MP macro
Dimensions164.9 × 77.3 × 8.4 mm160.3 × 75.0 × 8.0 mm
Weight199 g206 g
Water resistanceNoneIP68
Supported untilJun 2028Nov 2029

Scores and verdicts are computed from our verified database — see exactly how. Specs from manufacturer documentation; prices reflect major US retailers.