Galaxy A55 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 A55 5G runs out in Mar 2029 ($9.12/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Galaxy A55 5G 67 · 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 A55 5G $300

Buy with care$9.12/mo

2024◆ Buy-by Mar 20272029

Xiaomi Redmi K80 $355

Safe to buy$8.59/mo

2024◆ Buy-by Nov 20272029

Category by category

Display

Galaxy A55 5G 70Redmi K80 80

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

Performance

Galaxy A55 5G 60Redmi K80 92

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

Camera

Galaxy A55 5G 67Redmi K80 67

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

Battery

Galaxy A55 5G 80Redmi K80 100

6,550mAh vs 5,000mAh — the Redmi K80 lasts longer between charges.

Software longevity

Galaxy A55 5G 39Redmi K80 49

The Redmi K80 is supported until Nov 2029 — 8 months longer than the Galaxy A55 5G.

Value

Galaxy A55 5G 67Redmi K80 79

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

Full spec table

Spec	Galaxy A55 5G	Redmi K80
Price (street)	$300	$355
Display	6.6-inch Super AMOLED, 1080x2340 (FHD+), 120Hz	6.67-inch AMOLED, 2K, 120Hz, 3200 nits peak
Chipset	Exynos 1480	Qualcomm Snapdragon 8 Gen 3 (4nm)
RAM	8GB/12GB	12GB/16GB
Storage	128GB/256GB	256GB/512GB/1TB
Battery	5,000 mAh	6,550 mAh
Charging	25W wired	90W wired, 30W wireless
Rear cameras	50MP main, 12MP ultra-wide, 5MP macro	50MP main, 8MP ultra-wide, 2MP macro
Dimensions	161.1 × 77.4 × 8.2 mm	160.3 × 75.0 × 8.0 mm
Weight	213 g	206 g
Water resistance	IP67	IP68
Supported until	Mar 2029	Nov 2029

Galaxy A55 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.