PhoneLifespan

Galaxy M16 5G vs Galaxy M31

vs

Winner

Samsung Galaxy M16 5G

Lifespan decides this one: the Galaxy M16 5G is supported until Feb 2031 at $2.66 per month of safe use, while the Galaxy M31 is already past its support window. On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Galaxy M16 5G 75 · Galaxy M31 40 — 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 M16 5G $150
Safe to buy$2.66/mo
2025◆ Buy-by Feb 20292031
Samsung Galaxy M31 $90
Avoid buyingsupport ended
2020◆ Buy-by Feb 20212023

Category by category

Display
Galaxy M16 5G 50Galaxy M31 50

Both displays are effectively the same class.

Performance
Galaxy M16 5G 42Galaxy M31 30

The Galaxy M16 5G's MediaTek Dimensity 6300 is simply the faster chip.

Camera
Galaxy M16 5G 55Galaxy M31 67

The Galaxy M31 has the stronger camera system (2 real rear lenses vs 1).

Battery
Galaxy M16 5G 80Galaxy M31 100

6,000mAh vs 5,000mAh — the Galaxy M31 lasts longer between charges.

Software longevity
Galaxy M16 5G 67Galaxy M31 0

The Galaxy M16 5G is supported until Feb 2031 — 96 months longer than the Galaxy M31.

Value
Galaxy M16 5G 75Galaxy M31 40

Overall value goes to the Galaxy M16 5G at $2.66 per month of safe use.

Full spec table
SpecGalaxy M16 5GGalaxy M31
Price (street)$150$90
Display6.7-inch Super AMOLED, 1080 x 2340 (FHD+), 90Hz6.4-inch Super AMOLED, 1080x2340 (FHD+), 60Hz
ChipsetMediaTek Dimensity 6300Samsung Exynos 9611
RAM4GB/6GB/8GB6GB/8GB
Storage128GB/256GB64GB/128GB
Battery5,000 mAh6,000 mAh
Charging25W wired15W wired
Rear cameras50MP main, 5MP ultra-wide, 2MP macro64MP main, 8MP ultra-wide, 5MP macro
Dimensions164.6 × 77.9 × 7.9 mm159.2 × 75.1 × 8.9 mm
Weight191 g191 g
Water resistanceNoneNone
Supported untilFeb 2031Feb 2023
Galaxy M16 5G full verdict →Galaxy M31 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.