Galaxy A21 vs Galaxy F16 5G

Phone 1

Phone 2

Winner

Samsung Galaxy F16 5G

Lifespan decides this one: the Galaxy F16 5G is supported until Mar 2031 at $2.38 per month of safe use, while the Galaxy A21 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 A21 40 · Galaxy F16 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 A21 $55

Avoid buyingsupport ended

2020◆ Buy-by Jun 20212023

Samsung Galaxy F16 5G $135

Safe to buy$2.38/mo

2025◆ Buy-by Mar 20292031

Category by category

Display

Galaxy A21 50Galaxy F16 5G 50

Both displays are effectively the same class.

Performance

Galaxy A21 22Galaxy F16 5G 42

The Galaxy F16 5G's MediaTek Dimensity 6300 is simply the faster chip.

Camera

Galaxy A21 52Galaxy F16 5G 55

Camera systems are comparable on paper — pick by sample photos.

Battery

Galaxy A21 60Galaxy F16 5G 80

5,000mAh vs 4,000mAh — the Galaxy F16 5G lasts longer between charges.

Software longevity

Galaxy A21 0Galaxy F16 5G 68

The Galaxy F16 5G is supported until Mar 2031 — 93 months longer than the Galaxy A21.

Value

Galaxy A21 40Galaxy F16 5G 75

Overall value goes to the Galaxy F16 5G at $2.38 per month of safe use.

Full spec table

Spec	Galaxy A21	Galaxy F16 5G
Price (street)	$55	$135
Display	6.5-inch PLS LCD, 720 x 1600 (HD+), 60Hz	6.7-inch Super AMOLED, 1080 x 2340 (FHD+), 90Hz
Chipset	MediaTek Helio P35	MediaTek Dimensity 6300
RAM	3GB	4GB/6GB/8GB
Storage	32GB	128GB
Battery	4,000 mAh	5,000 mAh
Charging	15W wired	25W wired
Rear cameras	16MP main, 8MP ultra-wide, 2MP macro, 2MP depth	50MP main, 5MP ultra-wide, 2MP macro
Dimensions	159.0 × 75.3 × 8.9 mm	164.4 × 77.9 × 7.9 mm
Weight	192 g	191 g
Water resistance	None	IP54
Supported until	Jun 2023	Mar 2031

Galaxy A21 full verdict →Galaxy F16 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.