Dremel 8220 vs 4000

Dremel 8220 vs 4000

Honestly, no woodworker's arsenal would be complete without a rotary tool. For this reason, it would be best to choose a reliable tool from a reputable brand, like Dremel. This huge brand is infamous for its impressive repertoire of handheld rotary tools. 

Today, we compare the potent Dremel 4000 and the cordless Dremel 8220 to see their differences and what they have to offer. So, if you're torn between these two incredible rotary tools, you're in the right place!



Tool Type 



Minimum Speed 

5,000 RPM 

5,000 RPM 

Maximum Speed 

30,000 RPM 

35,000 RPM 

No. of Speeds 



Battery Required 



Charge Time 

1 hour 


Accessory Change System 

EZ Twist Nose Cap 

EZ Twist Nose Cap 

Separate On/Off Speed Control 



Accessory & Attachment Compatibility 




1.6 lbs 

1.3 lbs 

Warranty Duration 

2 years 

2 years 

Here's a detailed comparison between the Dremel 8220 and 4000:

Dremel 4000 Overview 

The Dremel 4000 is a corded rotary tool equipped to polish, sand, and make cuts on multiple surfaces such as timber and glass. It also has variable speed, which can be adjusted from 5000 to 35000 RPM. Besides, the speed control switch is not the same one for switching the tool on/off. This means you won't have to readjust the speed every time you use it. 

The ventilation mechanism comes in handy in cooling it, while the 3600 handle ensures comfort as you work. The 16-amp motor fuels the increased RPM, and it's somewhat lightweight at 1.3 lbs. The package includes 4 attachments and 34 accessories, with a 2-year warranty. 

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The major shortcoming with this potent tool is that it heats up if you use it continuously, so you need to stop to allow it to cool down after some time. Also, it's not entirely portable, and since it's corded, it makes it difficult to reach areas that are not within the cord's range. 


  • It comes with 34 accessories 

  • The ventilation system helps cool it

  • Variable speed 

  • Impressive 35000 RPM

  • 360-degree comfortable handle 


  • It tends to heat up after continuous use 

  • Not quite portable 

Dremel 8220 Overview 

The Dremel 8220 is a cordless versatile rotary tool with a 12-volt battery that reaches a whooping 30,000 RPM. Besides, it offers variable speed from 5000 RPM, and like the Dremel 4000, the speed regulation button is separate from the on/off button. 

The LED headlamp makes working in dark or dimly lit environments easier, while the battery indicator light lets you assess the battery. The Dremel 8220 weighs 1.6 lbs, which is slightly more than its counterpart. Plus, the 3600 handle makes it more comfortable to use. 

It is essential that you fully charge this tool before using it so that you can work with it for a long time. Again, the battery charges within an hour, and it can do demanding tasks effortlessly. Lastly, it comes with 1 attachment and 28 accessories. 


  • It comes with 28 accessories and one attachment 

  • Variable speed 

  • The 12-volt battery is ideal for demanding jobs 

  • LED headlamp for use in dimly-lit surroundings 

  • 2-year warranty 


  • The battery needs to be changed frequently 

  • Rather heavy 

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The Dremel 8220 and 4000 have variable speeds that let you have more control over your project. For the Dremel 4000, the variable speed is set between 5000 and 35000 RPM. Besides, there's the 360-degree handle for comfortable use. 

The Dremel 8220, on the other hand, has a versatile build that lets it operate smoothly. Besides, all the accessories it comes with are compatible with all Dremel tools. Again, the Dremel 8220 is explicitly designed to be quiet, and the replaceable motor brush ensures a long life span. 

So, if you need a powerful, long-lasting Dremel tool, the Dremel 4000 is the way to go. Like the Dremel 8220, all its accessories can be used on all Dremel tools, which will save you some cash. What's more, the electronic feedback automatically modifies the power and speed. 


The Dremel 8220 features an ergonomic 360-degree handle that offers enhanced comfort and more control over your project. Additionally, the rotary tool is designed to work quietly even when running on maximum RPM. 

The Dremel 4000, much like its counterpart, is designed to work fast and quietly. It is as well equipped with a motor brush that's replaceable, which ensures a long life span. Besides, it has an air vent which cools it and reduces the noise while working. Therefore, if you're searching for a reliable and durable rotary tool, the Dremel 4000 is a better option. 


As you have seen, the Dremel 8220 and 4000 are pretty similar. The main difference between these two incredibly powerful tools is their resources. Though without these differences, they're practically identical. 

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For instance, the Dremel 8220 is cordless; so, cable range limitations are not an issue. However, you will have to charge it to use it. And while it is heavier than the Dremel 4000, it has a more compact design and is cheaper. 

Another difference between these Dremel tools is that the Dremel 4000 can use all of Dremel's older accessories, while the Dremel 8220 is compatible only with the latest ones. Nonetheless, Dremel 4000 is more powerful than the Dremel 8220. 

Finally, the 8220 has a more compact build and toolkit than the Dremel 4000. 


These two rotary tools are versatile, and it's easy to see the wide range of tasks you can do with them. They're convenient, and making your choice between them trickles down to use. If you frequently use your tool, then you should go for the Dremel 4000. The cord comes with its restrictions, though you'll be in the same place most of the time, so it won't be an issue. The power this tool has to offer is a huge upside over the Dremel 8220. 

However, if you want to utilize your rotary tool occasionally to do small jobs like touching up imperfections, the Dremel 8220 is the ideal pick. Nevertheless, it would be best if you kept it fully charged.

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