PhoneLifespan

Reno 12 5G 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 Reno 12 5G it's also the sounder buy at $8.10 per month of safe use.

Value Score: Reno 12 5G 59 · 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.

Oppo Reno 12 5G $365
Buy with care$15.04/mo
2024◆ Buy-by Jun 20262028
Samsung Galaxy M55 5G $270
Buy with care$8.10/mo
2024◆ Buy-by Mar 20272029

Category by category

Display
Reno 12 5G 70Galaxy M55 5G 70

Both displays are effectively the same class.

Performance
Reno 12 5G 58Galaxy M55 5G 70

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

Camera
Reno 12 5G 67Galaxy M55 5G 67

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

Battery
Reno 12 5G 80Galaxy M55 5G 80

Battery capacities are close enough not to decide this.

Software longevity
Reno 12 5G 29Galaxy M55 5G 40

The Galaxy M55 5G is supported until Mar 2029 — 9 months longer than the Reno 12 5G.

Value
Reno 12 5G 59Galaxy M55 5G 72

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

Full spec table
SpecReno 12 5GGalaxy M55 5G
Price (street)$365$270
Display6.7-inch AMOLED, FHD+, 120Hz, Gorilla Glass 7i6.7-inch Super AMOLED Plus, 1080x2400 (FHD+), 120Hz
ChipsetMediaTek Dimensity 7300-Energy (4nm)Qualcomm Snapdragon 7 Gen 1
RAM8GB/12GB8GB/12GB
Storage256GB/512GB128GB/256GB
Battery5,000 mAh5,000 mAh
Charging80W wired SuperVOOC45W wired
Rear cameras50MP main, 8MP ultra-wide, 2MP macro50MP main, 8MP ultra-wide, 2MP macro
Dimensions161.4 × 74.1 × 7.6 mm163.9 × 76.5 × 7.8 mm
Weight177 g180 g
Water resistanceIP65None
Supported untilJun 2028Mar 2029
Reno 12 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.