PhoneLifespan

Galaxy A9 (2018) vs Galaxy F05

vs

Winner

Samsung Galaxy F05

Lifespan decides this one: the Galaxy F05 is supported until Sep 2028 at $2.95 per month of safe use, while the Galaxy A9 (2018) 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 A9 (2018) 40 · Galaxy F05 66 — 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 A9 (2018) $90
Avoid buyingsupport ended
2018◆ Buy-by Nov 20192021
Samsung Galaxy F05 $80
Buy with care$2.95/mo
2024◆ Buy-by Sep 20262028

Category by category

Display
Galaxy A9 (2018) 50Galaxy F05 50

Both displays are effectively the same class.

Performance
Galaxy A9 (2018) 32Galaxy F05 40

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

Camera
Galaxy A9 (2018) 64Galaxy F05 55

The Galaxy A9 (2018) has the stronger camera system (3 real rear lenses vs 1).

Battery
Galaxy A9 (2018) 56Galaxy F05 80

5,000mAh vs 3,800mAh — the Galaxy F05 lasts longer between charges.

Software longevity
Galaxy A9 (2018) 0Galaxy F05 32

The Galaxy F05 is supported until Sep 2028 — 82 months longer than the Galaxy A9 (2018).

Value
Galaxy A9 (2018) 40Galaxy F05 66

Overall value goes to the Galaxy F05 at $2.95 per month of safe use.

Full spec table
SpecGalaxy A9 (2018)Galaxy F05
Price (street)$90$80
Display6.3-inch Super AMOLED, 1080x2220 (FHD+), 60Hz6.7-inch PLS LCD, 720x1600 (HD+), 60Hz
ChipsetQualcomm Snapdragon 660MediaTek Helio G85
RAM6GB/8GB4GB
Storage128GB64GB/128GB
Battery3,800 mAh5,000 mAh
Charging18W wired25W wired
Rear cameras24MP main, 8MP ultra-wide, 10MP telephoto 2x50MP main, 2MP depth
Dimensions162.5 × 77.0 × 7.8 mm168.8 × 78.2 × 8.8 mm
Weight183 g195 g
Water resistanceNoneNone
Supported untilNov 2021Sep 2028
Galaxy A9 (2018) full verdict →Galaxy F05 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.