PhoneLifespan

Galaxy M55 5G vs Poco C71 4G

vs

Winner

Xiaomi Poco C71 4G

Lifespan decides this one: the Poco C71 4G is supported until Apr 2029 at $2.23 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 C71 4G 69 — 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 C71 4G $75
Buy with care$2.23/mo
2025◆ Buy-by Apr 20272029

Category by category

Display
Galaxy M55 5G 70Poco C71 4G 70

Both displays are effectively the same class.

Performance
Galaxy M55 5G 70Poco C71 4G 55

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

Camera
Galaxy M55 5G 67Poco C71 4G 40

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

Battery
Galaxy M55 5G 80Poco C71 4G 84

5,200mAh vs 5,000mAh — the Poco C71 4G lasts longer between charges.

Software longevity
Galaxy M55 5G 40Poco C71 4G 40

Both phones' support windows end around the same time.

Value
Galaxy M55 5G 72Poco C71 4G 69

Pound for pound, these two are equally good deals.

Full spec table
SpecGalaxy M55 5GPoco C71 4G
Price (street)$270$75
Display6.7-inch Super AMOLED Plus, 1080x2400 (FHD+), 120Hz6.88-inch IPS LCD, HD+, 120Hz
ChipsetQualcomm Snapdragon 7 Gen 1Unisoc T7250 (12nm)
RAM8GB/12GB4GB/6GB
Storage128GB/256GB64GB/128GB
Battery5,000 mAh5,200 mAh
Charging45W wired15W wired
Rear cameras50MP main, 8MP ultra-wide, 2MP macro32MP main
Dimensions163.9 × 76.5 × 7.8 mm171.79 × 77.8 × 8.26 mm
Weight180 g193 g
Water resistanceNoneIP52
Supported untilMar 2029Apr 2029
Galaxy M55 5G full verdict →Poco C71 4G 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.