Galaxy J7 Duo (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 J7 Duo (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 J7 Duo (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 J7 Duo (2018) $60

Avoid buyingsupport ended

2018◆ Buy-by Apr 20192021

Samsung Galaxy M16 5G $150

Safe to buy$2.66/mo

2025◆ Buy-by Feb 20292031

Category by category

Display

Galaxy J7 Duo (2018) 50Galaxy M16 5G 50

Both displays are effectively the same class.

Performance

Galaxy J7 Duo (2018) 24Galaxy M16 5G 42

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

Camera

Galaxy J7 Duo (2018) 40Galaxy M16 5G 55

The Galaxy M16 5G has the stronger camera system — same lens count, higher-grade sensors.

Battery

Galaxy J7 Duo (2018) 40Galaxy M16 5G 80

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

Software longevity

Galaxy J7 Duo (2018) 0Galaxy M16 5G 67

The Galaxy M16 5G is supported until Feb 2031 — 118 months longer than the Galaxy J7 Duo (2018).

Value

Galaxy J7 Duo (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 J7 Duo (2018)	Galaxy M16 5G
Price (street)	$60	$150
Display	5.5-inch Super AMOLED, 720 x 1280 (HD), 60Hz	6.7-inch Super AMOLED, 1080 x 2340 (FHD+), 90Hz
Chipset	Samsung Exynos 7885	MediaTek Dimensity 6300
RAM	4GB	4GB/6GB/8GB
Storage	32GB	128GB/256GB
Battery	3,000 mAh	5,000 mAh
Charging	5W wired (microUSB)	25W wired
Rear cameras	13MP main, 5MP depth	50MP main, 5MP ultra-wide, 2MP macro
Dimensions	152.4 × 75.4 × 8.4 mm	164.6 × 77.9 × 7.9 mm
Weight	168 g	191 g
Water resistance	None	None
Supported until	Apr 2021	Feb 2031

Galaxy J7 Duo (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.