PhoneLifespan

Moto G15 vs Galaxy M55 5G

vs

Winner

Samsung Galaxy M55 5G

The Galaxy M55 5G wins this one, taking performance and software longevity decisively. Against the Moto G15 it's also the sounder buy at $8.10 per month of safe use.

Value Score: Moto G15 65 · Galaxy M55 5G 72 — methodology

The lifespan decider

When specs are close, support length decides it — this is what each phone costs per month of safe use.

Motorola Moto G15 $175
Buy with care$8.81/mo
2025◆ Buy-by Feb 20262028
Samsung Galaxy M55 5G $270
Buy with care$8.10/mo
2024◆ Buy-by Mar 20272029

Category by category

Display
Moto G15 70Galaxy M55 5G 70

Both displays are effectively the same class.

Performance
Moto G15 39Galaxy M55 5G 70

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

Camera
Moto G15 55Galaxy M55 5G 67

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

Battery
Moto G15 84Galaxy M55 5G 80

5,200mAh vs 5,000mAh — the Moto G15 lasts longer between charges.

Software longevity
Moto G15 24Galaxy M55 5G 40

The Galaxy M55 5G is supported until Mar 2029 — 13 months longer than the Moto G15.

Value
Moto G15 65Galaxy M55 5G 72

Overall value goes to the Galaxy M55 5G at $8.10 per month of safe use.

Full spec table
SpecMoto G15Galaxy M55 5G
Price (street)$175$270
Display6.72-inch IPS LCD, FHD+, 120Hz6.7-inch Super AMOLED Plus, 1080x2400 (FHD+), 120Hz
ChipsetMediaTek Helio G81 ExtremeQualcomm Snapdragon 7 Gen 1
RAM4GB/8GB8GB/12GB
Storage128GB/256GB/512GB128GB/256GB
Battery5,200 mAh5,000 mAh
Charging18W wired45W wired
Rear cameras50MP main, 2MP macro50MP main, 8MP ultra-wide, 2MP macro
Dimensions165.7 × 76 × 8.2 mm163.9 × 76.5 × 7.8 mm
Weight190 g180 g
Water resistanceIP54None
Supported untilFeb 2028Mar 2029
Moto G15 full verdict →Galaxy M55 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.