12R vs Galaxy M55 5G

Phone 1

Phone 2

Winner

Samsung Galaxy M55 5G

Lifespan decides this one: the Galaxy M55 5G is supported until Mar 2029 at $8.07 per month of safe use, while the 12R runs out in Jan 2028 ($18.09/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 12R 73 · Galaxy M55 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.

OnePlus 12R $350

Buy with care$18.09/mo

2024◆ Buy-by Jan 20262028

Samsung Galaxy M55 5G $270

Buy with care$8.07/mo

2024◆ Buy-by Mar 20272029

Category by category

Display

12R 90Galaxy M55 5G 70

The 12R's screen is the better one — 6.78-inch ltpo amoled proxdr, 2780×1264 (450 ppi), 1–120hz, up to 4500 nits peak.

Performance

12R 85Galaxy M55 5G 70

The 12R's Snapdragon 8 Gen 2 is simply the faster chip.

Camera

12R 67Galaxy M55 5G 67

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

Battery

12R 90Galaxy M55 5G 80

5,500mAh vs 5,000mAh — the 12R lasts longer between charges.

Software longevity

12R 23Galaxy M55 5G 40

The Galaxy M55 5G is supported until Mar 2029 — 14 months longer than the 12R.

Value

12R 73Galaxy M55 5G 73

Pound for pound, these two are equally good deals.

Full spec table

Spec	12R	Galaxy M55 5G
Price (street)	$350	$270
Display	6.78-inch LTPO AMOLED ProXDR, 2780×1264 (450 ppi), 1–120Hz, up to 4500 nits peak	6.7-inch Super AMOLED Plus, 1080x2400 (FHD+), 120Hz
Chipset	Snapdragon 8 Gen 2	Qualcomm Snapdragon 7 Gen 1
RAM	8GB/16GB	8GB/12GB
Storage	128GB/256GB	128GB/256GB
Battery	5,500 mAh	5,000 mAh
Charging	80W SUPERVOOC wired, no wireless	45W wired
Rear cameras	50MP main, 8MP ultra-wide, 2MP macro	50MP main, 8MP ultra-wide, 2MP macro
Dimensions	163.3 × 75.3 × 8.8 mm	163.9 × 76.5 × 7.8 mm
Weight	207 g	180 g
Water resistance	IP64	None
Supported until	Jan 2028	Mar 2029

12R 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.