Linkind A21 4 Pack vs Feit Electric A21
Comparison of Linkind A21 4 Pack and Feit Electric A21, based on their Amazon listings.
By Ethan Cole
Updated November 10, 2026
Linkind A21 4 Pack and Feit Electric A21 are both smart bulbs, but they differ in packs, platform support, and stated specifications. This comparison uses their Amazon listings to show who should pick which.
The Short Version
Pick Linkind A21 4 Pack if you want 4 bulbs in the pack and Matter support. Pick Feit Electric A21 if you want a different set of listed details, so check both pages.
Side by Side
| Factor | Linkind A21 4 Pack | Feit Electric A21 |
|---|---|---|
| Base and shape | E26 and A21 | E26 and A21 |
| Pack | 4 bulbs | 1 bulb |
| Brightness | 1600 lumens | 1600 lumens |
| Equivalent | 100W equivalent | 100W equivalent |
| Color | Full color; white 1800K to 6500K | Full color; white 6500K |
| Connection | Wi-Fi | Wi-Fi |
| Works with | Alexa, Google Assistant, Apple Home, and Matter | Alexa and Google Assistant |
| Hub | No hub needed | No hub needed |
| Dimming | Yes | Yes |
Who Should Choose Each
- Linkind A21 4 Pack suits a home where you want 4 bulbs in the pack and Matter support.
- Feit Electric A21 suits a home where you want a different set of listed details, so check both pages.
Who Should Look Elsewhere
- You want to compare connections. See our Wi-Fi vs Bluetooth vs Zigbee guide.
- You are not sure the base fits. See our base and shape guide.
How We Compared Them
We did not install or run either product. This comparison is based on the Amazon listings and manufacturer specifications, selected November 9, 2026. We could not retrieve current Amazon star ratings, so neither product carries a WikiHomeLED Score and we show no star ratings. Compatibility claims are taken only from each listing, and where a listing says a platform is not supported we left it out. Both appear in our 100W equivalent smart bulbs guide, and our method is on the How We Review page.
Frequently Asked Questions
Which is brighter?
Linkind A21 4 Pack lists 1600 lumens and Feit Electric A21 lists 1600 lumens.
Do they work with Alexa and Google?
Linkind A21 4 Pack: Alexa and Google Assistant. Feit Electric A21: Alexa and Google Assistant.
Do they need a hub?
Linkind A21 4 Pack: no hub needed. Feit Electric A21: no hub needed. Check each listing.
Note: a smart bulb needs constant power to stay connected, so leave the wall switch on. Check the base and shape against your fixture, stay within the fixture’s maximum wattage, and look at whether it is rated for enclosed fixtures. Many smart bulbs should not run on a dimmer switch, so check the listing. Look for a UL or ETL mark, and follow the maker’s instructions. Listings differ; we describe what each maker lists.
Check current pricing and availability for the Linkind A21 Color Smart Bulb, 4 Pack.
Check current pricing and availability for the Feit Electric A21 Color Smart Bulb.
About the author
Ethan Cole leads research and editing at WikiHomeLED, comparing LED lighting for the home through manufacturer specs, manuals, safety listings and owner feedback. Every product is scored against the criteria on our How We Review page, and picks are updated when models change.