Galaxy A9 (2018) vs Galaxy M16 5G

Phone 1

Phone 2

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 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 M16 5G 75 — 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 M16 5G $150

Safe to buy$2.66/mo

2025◆ Buy-by Feb 20292031

Category by category

Display

Galaxy A9 (2018) 50Galaxy M16 5G 50

Both displays are effectively the same class.

Performance

Galaxy A9 (2018) 32Galaxy M16 5G 42

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

Camera

Galaxy A9 (2018) 64Galaxy M16 5G 55

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

Battery

Galaxy A9 (2018) 56Galaxy M16 5G 80

5,000mAh vs 3,800mAh — the Galaxy M16 5G lasts longer between charges.

Software longevity

Galaxy A9 (2018) 0Galaxy M16 5G 67

The Galaxy M16 5G is supported until Feb 2031 — 111 months longer than the Galaxy A9 (2018).

Value

Galaxy A9 (2018) 40Galaxy M16 5G 75

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

Full spec table

Spec	Galaxy A9 (2018)	Galaxy M16 5G
Price (street)	$90	$150
Display	6.3-inch Super AMOLED, 1080x2220 (FHD+), 60Hz	6.7-inch Super AMOLED, 1080 x 2340 (FHD+), 90Hz
Chipset	Qualcomm Snapdragon 660	MediaTek Dimensity 6300
RAM	6GB/8GB	4GB/6GB/8GB
Storage	128GB	128GB/256GB
Battery	3,800 mAh	5,000 mAh
Charging	18W wired	25W wired
Rear cameras	24MP main, 8MP ultra-wide, 10MP telephoto 2x	50MP main, 5MP ultra-wide, 2MP macro
Dimensions	162.5 × 77.0 × 7.8 mm	164.6 × 77.9 × 7.9 mm
Weight	183 g	191 g
Water resistance	None	None
Supported until	Nov 2021	Feb 2031

Galaxy A9 (2018) full verdict →Galaxy M16 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.