15 Pro 5G vs Galaxy M55 5G

Phone 1

Phone 2

Winner

Realme 15 Pro 5G

Lifespan decides this one: the 15 Pro 5G is supported until Jul 2029 at $8.82 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: 15 Pro 5G 69 · 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.

Realme 15 Pro 5G $330

Safe to buy$8.82/mo

2025◆ Buy-by Jul 20272029

Samsung Galaxy M55 5G $270

Buy with care$8.10/mo

2024◆ Buy-by Mar 20272029

Category by category

Display

15 Pro 5G 80Galaxy M55 5G 70

The 15 Pro 5G's screen is the better one — 6.8-inch amoled, 1.5k, 144hz, up to 6500 nits peak, hdr10+, curved.

Performance

15 Pro 5G 55Galaxy M55 5G 70

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

Camera

15 Pro 5G 67Galaxy M55 5G 67

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

Battery

15 Pro 5G 100Galaxy M55 5G 80

7,000mAh vs 5,000mAh — the 15 Pro 5G lasts longer between charges.

Software longevity

15 Pro 5G 45Galaxy M55 5G 40

The 15 Pro 5G is supported until Jul 2029 — 4 months longer than the Galaxy M55 5G.

Value

15 Pro 5G 69Galaxy M55 5G 72

Pound for pound, these two are equally good deals.

Full spec table

Spec	15 Pro 5G	Galaxy M55 5G
Price (street)	$330	$270
Display	6.8-inch AMOLED, 1.5K, 144Hz, up to 6500 nits peak, HDR10+, curved	6.7-inch Super AMOLED Plus, 1080x2400 (FHD+), 120Hz
Chipset	Qualcomm Snapdragon 7 Gen 4 (4nm)	Qualcomm Snapdragon 7 Gen 1
RAM	8GB/12GB	8GB/12GB
Storage	128GB/256GB/512GB	128GB/256GB
Battery	7,000 mAh	5,000 mAh
Charging	80W wired SuperVOOC	45W wired
Rear cameras	50MP main, 50MP ultra-wide	50MP main, 8MP ultra-wide, 2MP macro
Dimensions	162.3 × 76.2 × 7.7 mm	163.9 × 76.5 × 7.8 mm
Weight	187 g	180 g
Water resistance	IP68/IP69 (also MIL-STD-810H)	None
Supported until	Jul 2029	Mar 2029

15 Pro 5G 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.