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Quick answer: The two share speed, a 50-page document feeder, dual-band Wi-Fi, Ethernet and the same toner. The MFC-L2820DW adds fax and a 2.7-inch touchscreen with cloud print and scan.
This comparison is built from the product listings and manufacturer information on Amazon, not our own testing. Confirm details on the product pages before you buy.
Last updated: October 30, 2026.
At a Glance
| Feature | Brother DCP-L2640DW | Brother MFC-L2820DW |
|---|---|---|
| Type | Monochrome laser 3-in-1 | Monochrome laser all-in-one with fax |
| Print speed (listing) | Up to 36 ppm | Up to 36 ppm |
| Scan speed (listing) | Up to 23.6/7.9 ipm (black/color) | Up to 23.6/7.9 ipm (black/color) |
| Document feeder | 50 pages | 50 pages |
| Connections | Dual-band Wi-Fi, Ethernet, USB | Dual-band Wi-Fi, Ethernet, USB |
| Fax | No | Yes |
| Touchscreen | Not highlighted | 2.7-inch with cloud apps |
| Toner | TN830 or TN830XL | TN830 or TN830XL |
Key Differences
Fax
Only the MFC-L2820DW has fax.
Touchscreen and cloud
The MFC-L2820DW has a 2.7-inch touchscreen and can print from and scan to cloud apps such as Google Drive and Dropbox, per the listing.
Everything else
Speeds, feeder, connections and toner match, so the choice is mainly fax and screen.
Which Should You Choose?
Choose the Brother DCP-L2640DW if
you do not need fax and want the lower-priced all-in-one.
Choose the Brother MFC-L2820DW if
you need fax or like a touchscreen with cloud scanning.
Frequently Asked Questions
Do both have a document feeder?
Yes, a 50-page feeder per the listings.
Do they use the same toner?
Both list TN830 or TN830XL toner.
Is fax still needed?
Only if your clients require it.
Bottom Line
Choose the DCP-L2640DW to save money without fax, the MFC-L2820DW if fax or the touchscreen matter. See best printers with fax.