Galaxy M55 5G vs Poco M7 Plus 5G

Phone 1

Phone 2

Winner

Xiaomi Poco M7 Plus 5G

Lifespan decides this one: the Poco M7 Plus 5G is supported until Aug 2029 at $4.34 per month of safe use, while the Galaxy M55 5G runs out in Mar 2029 ($8.10/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Galaxy M55 5G 72 · Poco M7 Plus 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 M55 5G $270

Buy with care$8.10/mo

2024◆ Buy-by Mar 20272029

Xiaomi Poco M7 Plus 5G $165

Safe to buy$4.34/mo

2025◆ Buy-by Aug 20272029

Category by category

Display

Galaxy M55 5G 70Poco M7 Plus 5G 70

Both displays are effectively the same class.

Performance

Galaxy M55 5G 70Poco M7 Plus 5G 46

The Galaxy M55 5G's Qualcomm Snapdragon 7 Gen 1 is simply the faster chip.

Camera

Galaxy M55 5G 67Poco M7 Plus 5G 55

The Galaxy M55 5G has the stronger camera system (2 real rear lenses vs 1).

Battery

Galaxy M55 5G 80Poco M7 Plus 5G 100

7,000mAh vs 5,000mAh — the Poco M7 Plus 5G lasts longer between charges.

Software longevity

Galaxy M55 5G 40Poco M7 Plus 5G 45

The Poco M7 Plus 5G is supported until Aug 2029 — 5 months longer than the Galaxy M55 5G.

Value

Galaxy M55 5G 72Poco M7 Plus 5G 75

Pound for pound, these two are equally good deals.

Full spec table

Spec	Galaxy M55 5G	Poco M7 Plus 5G
Price (street)	$270	$165
Display	6.7-inch Super AMOLED Plus, 1080x2400 (FHD+), 120Hz	6.9-inch IPS LCD, FHD+, 144Hz, 850 nits peak
Chipset	Qualcomm Snapdragon 7 Gen 1	Qualcomm Snapdragon 6s Gen 3 (6nm)
RAM	8GB/12GB	4GB/6GB/8GB
Storage	128GB/256GB	128GB
Battery	5,000 mAh	7,000 mAh
Charging	45W wired	33W wired, 18W reverse wired
Rear cameras	50MP main, 8MP ultra-wide, 2MP macro	50MP main
Dimensions	163.9 × 76.5 × 7.8 mm	168.5 × 80.5 × 8.4 mm
Weight	180 g	217 g
Water resistance	None	IP64
Supported until	Mar 2029	Aug 2029

Galaxy M55 5G full verdict →Poco M7 Plus 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.