PhoneLifespan

Galaxy M55 5G vs Poco X7 5G

vs

It depends

Too close to call outright

These two are within 3 points overall — it genuinely depends on price on the day. The Galaxy M55 5G edges both longevity and performance, so prefer it when prices are close.

Value Score: Galaxy M55 5G 72 · Poco X7 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 X7 5G $230
Buy with care$7.47/mo
2025◆ Buy-by Jan 20272029

Category by category

Display
Galaxy M55 5G 70Poco X7 5G 80

The Poco X7 5G's screen is the better one — 6.67-inch amoled, 1.5k (446 ppi), 120hz, 3000 nits peak, gorilla glass victus 2.

Performance
Galaxy M55 5G 70Poco X7 5G 58

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

Camera
Galaxy M55 5G 67Poco X7 5G 67

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

Battery
Galaxy M55 5G 80Poco X7 5G 90

5,500mAh vs 5,000mAh — the Poco X7 5G lasts longer between charges.

Software longevity
Galaxy M55 5G 40Poco X7 5G 37

The Galaxy M55 5G is supported until Mar 2029 — 3 months longer than the Poco X7 5G.

Value
Galaxy M55 5G 72Poco X7 5G 75

Pound for pound, these two are equally good deals.

Full spec table
SpecGalaxy M55 5GPoco X7 5G
Price (street)$270$230
Display6.7-inch Super AMOLED Plus, 1080x2400 (FHD+), 120Hz6.67-inch AMOLED, 1.5K (446 ppi), 120Hz, 3000 nits peak, Gorilla Glass Victus 2
ChipsetQualcomm Snapdragon 7 Gen 1MediaTek Dimensity 7300 Ultra (4nm)
RAM8GB/12GB8GB/12GB
Storage128GB/256GB128GB/256GB/512GB
Battery5,000 mAh5,500 mAh
Charging45W wired45W wired
Rear cameras50MP main, 8MP ultra-wide, 2MP macro50MP main, 8MP ultra-wide, 2MP macro
Dimensions163.9 × 76.5 × 7.8 mm162.3 × 74.4 × 8.4 mm
Weight180 g190 g
Water resistanceNoneIP68 (also IP69)
Supported untilMar 2029Jan 2029

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