PhoneLifespan

Galaxy M55 5G vs Poco M7 5G

vs

Winner

Xiaomi Poco M7 5G

Lifespan decides this one: the Poco M7 5G is supported until Mar 2029 at $3.68 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 5G 73 — 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 5G $120
Buy with care$3.68/mo
2025◆ Buy-by Mar 20272029

Category by category

Display
Galaxy M55 5G 70Poco M7 5G 70

Both displays are effectively the same class.

Performance
Galaxy M55 5G 70Poco M7 5G 42

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

Camera
Galaxy M55 5G 67Poco M7 5G 55

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

Battery
Galaxy M55 5G 80Poco M7 5G 100

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

Software longevity
Galaxy M55 5G 40Poco M7 5G 39

Both phones' support windows end around the same time.

Value
Galaxy M55 5G 72Poco M7 5G 73

Pound for pound, these two are equally good deals.

Full spec table
SpecGalaxy M55 5GPoco M7 5G
Price (street)$270$120
Display6.7-inch Super AMOLED Plus, 1080x2400 (FHD+), 120Hz6.88-inch IPS LCD, HD+, 120Hz, 600 nits peak
ChipsetQualcomm Snapdragon 7 Gen 1Qualcomm Snapdragon 4 Gen 2 (4nm)
RAM8GB/12GB6GB/8GB
Storage128GB/256GB128GB
Battery5,000 mAh7,000 mAh
Charging45W wired33W wired
Rear cameras50MP main, 8MP ultra-wide, 2MP macro50MP main
Dimensions163.9 × 76.5 × 7.8 mm171.5 × 77.5 × 8.9 mm
Weight180 g205 g
Water resistanceNoneIP64
Supported untilMar 2029Mar 2029
Galaxy M55 5G full verdict →Poco M7 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.