PhoneLifespan

Galaxy M16 5G vs Galaxy S21+ 5G

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 S21+ 5G 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 S21+ 5G 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 S21+ 5G $250
Avoid buyingsupport ended
2021◆ Buy-by Jan 20242026

Category by category

Display
Galaxy M16 5G 50Galaxy S21+ 5G 70

The Galaxy S21+ 5G's screen is the better one — 6.7-inch dynamic amoled 2x, 2400x1080 (fhd+), 120hz.

Performance
Galaxy M16 5G 42Galaxy S21+ 5G 62

The Galaxy S21+ 5G's Snapdragon 888 (US) / Exynos 2100 (global) is simply the faster chip.

Camera
Galaxy M16 5G 55Galaxy S21+ 5G 79

The Galaxy S21+ 5G has the stronger camera system (3 real rear lenses vs 1).

Battery
Galaxy M16 5G 80Galaxy S21+ 5G 76

5,000mAh vs 4,800mAh — the Galaxy M16 5G lasts longer between charges.

Software longevity
Galaxy M16 5G 67Galaxy S21+ 5G 0

The Galaxy M16 5G is supported until Feb 2031 — 61 months longer than the Galaxy S21+ 5G.

Value
Galaxy M16 5G 75Galaxy S21+ 5G 40

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

Full spec table
SpecGalaxy M16 5GGalaxy S21+ 5G
Price (street)$150$250
Display6.7-inch Super AMOLED, 1080 x 2340 (FHD+), 90Hz6.7-inch Dynamic AMOLED 2X, 2400x1080 (FHD+), 120Hz
ChipsetMediaTek Dimensity 6300Snapdragon 888 (US) / Exynos 2100 (global)
RAM4GB/6GB/8GB8GB
Storage128GB/256GB128GB/256GB
Battery5,000 mAh4,800 mAh
Charging25W wired25W wired, 15W wireless
Rear cameras50MP main, 5MP ultra-wide, 2MP macro12MP main, 12MP ultra-wide, 64MP telephoto 3x hybrid
Dimensions164.6 × 77.9 × 7.9 mm161.5 × 75.6 × 7.8 mm
Weight191 g200 g
Water resistanceNoneIP68
Supported untilFeb 2031Jan 2026

Scores and verdicts are computed from our verified database — see exactly how. Specs from manufacturer documentation; prices reflect major US retailers.