PhoneLifespan

Galaxy F05 vs Galaxy M21

vs

Winner

Samsung Galaxy F05

Lifespan decides this one: the Galaxy F05 is supported until Sep 2028 at $2.96 per month of safe use, while the Galaxy M21 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 F05 66 · Galaxy M21 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 F05 $80
Buy with care$2.96/mo
2024◆ Buy-by Sep 20262028
Samsung Galaxy M21 $80
Avoid buyingsupport ended
2020◆ Buy-by Mar 20212023

Category by category

Display
Galaxy F05 50Galaxy M21 50

Both displays are effectively the same class.

Performance
Galaxy F05 40Galaxy M21 30

The Galaxy F05's MediaTek Helio G85 is simply the faster chip.

Camera
Galaxy F05 55Galaxy M21 62

The Galaxy M21 has the stronger camera system (2 real rear lenses vs 1).

Battery
Galaxy F05 80Galaxy M21 100

6,000mAh vs 5,000mAh — the Galaxy M21 lasts longer between charges.

Software longevity
Galaxy F05 32Galaxy M21 0

The Galaxy F05 is supported until Sep 2028 — 66 months longer than the Galaxy M21.

Value
Galaxy F05 66Galaxy M21 40

Overall value goes to the Galaxy F05 at $2.96 per month of safe use.

Full spec table
SpecGalaxy F05Galaxy M21
Price (street)$80$80
Display6.7-inch PLS LCD, 720x1600 (HD+), 60Hz6.4-inch Super AMOLED, 1080x2340 (FHD+), 60Hz
ChipsetMediaTek Helio G85Samsung Exynos 9611
RAM4GB4GB/6GB
Storage64GB/128GB64GB/128GB
Battery5,000 mAh6,000 mAh
Charging25W wired15W wired
Rear cameras50MP main, 2MP depth48MP main, 8MP ultra-wide, 5MP macro
Dimensions168.8 × 78.2 × 8.8 mm159.0 × 75.1 × 8.9 mm
Weight195 g188 g
Water resistanceNoneNone
Supported untilSep 2028Mar 2023
Galaxy F05 full verdict →Galaxy M21 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.