November 8, 2022

Dremel 4000 vs Dremel 8220

Dremel 8220 vs 4000

Choosing between Dremel 4000 vs Dremel 8220 can be tricky. These two have more similarities than differences. Dremel 4000 and 8220 are used for engraving, sanding, and polishing. The only difference is that one model is corded while the other uses battery power. In this article, you will get a review of both tools and their differences to help you make an informed choice between the two.

Overview of the Dremel 4000

Dremel 4000 is a rotary tool with a cord, four attachments, and thirty-four accessories. It features an effective ventilation system, making the workspace conducive and preventing the heat from building up. That is how the tool has managed to be noise-free and smooth. 

The storage case protects your tool from damage and keeps your workshop neat. Dremel 4000 comes with electronic feedback control that gives you a signal when something is not working. Sometimes your speed can be too much, and the pressure. If your grinding becomes too hard, you get a signal. 

You have control over what happens with the rotary tool. Dremel 4000 introduces a speed dial feature that you easily turn on and off. You can still change the speed even when operating the rotary tool without stopping it, hence the maximum performance. 

The separate speed controls are handy, complementing a beautiful ergonomic design. Less effort is required when using the tool. It feels comfortable. It comes with a cord that connects to the power. There is no time wasted looking for power to recharge your sanding tool. 

Dremel 4000 comes with better attachments. The only drawback is that it allows some dust to get inside the rotary tool hence the need to use compressed air to remove the particles. The rotary tool is solid and durable. It does not break easily. 

The tool combines practicality and technology, and the motor brings out maximum performance. The rotary tool is ideal for professionals, and it is user-friendly. The rubber grip makes the operation comfortable. Hold the rotary tool in a way that makes you comfortable. 


  • Versatile
  • Innovated airflow system
  • High-performance motor
  • Multiple accessories
  • Ergonomic design
  • Ease of use 
  • Affordable 


  • It could have been lighter.
  • May gets hot
  • Cord throws off balance

Overview of the Dremel 8220

The Dremel 8220 is a cordless rotary tool with improved performance. Its versatility comes from a powerful motor that gives excellent performance at all speeds. Dremel 8220 pairs with Dremel accessories. 

All its attachments connect to the rotary tool and work with different projects. The 8220 has an ergonomic design that gives a 360-degree grip zone. You have control over the rotary tool in multiple positions, and it uses a 12V MAX lithium-ion battery.

The Dremel 8220 battery has 33% more running time than the Dremel 8200 when cutting screws. It charges in one hour, and the use varies depending on the duration. What determines the run time is the type of application, material, speed, and technique used. Its package includes numerous accessories.

The micro case gives storage to all accessories. The speed varies from 5,000 to 35,000 rpm, giving you maximum control and precise results. Dremel 8220 is also for carving. It caters to both soft and hard materials. 

Sanding and smoothing are allowed using the rotary tool. It weighs up to 2.1 pounds. It could have been lighter, but it is easier to use than a corded tool. It has value for money. You are allowed to work at full speed. 


  • Handy
  • High quality
  • Reliable
  • Cordless power
  • Maximum performance 
  • Versatile 


  • Bulky
  • Needs frequent recharging
  • Inconsistent power

Features of the Dremel 4000

Speed dial

The speed dial helps you control and monitor speed. It is positioned in an area that does not disturb your operation. Keeping it far from the handle will not disturb your work. A separate On/Off switch makes the Dremel tool easy to use. 


The motor delivers maximum performance at all speeds. The speed varies from 5,000 to 35,000 rpm, consisting of an electronic feedback circuitry with notifications when there is a fault or the rotary tool is at risk. That allows consistency in performance even on tough tasks.


Dremel 4000 has a slim and ergonomic body. The 360-degree grip zone gives you additional comfort, and that extends usage. 

Features of the Dremel 8220

Powerful motor

The motor is powerful, giving high performance, making it ideal for demanding applications. 

EZ Twist Nose Cap

The integrated nose cap allows you to make a fast accessory change ( 

On/Off switch

The separate On/Off switch is easy to operate. You control your speed since the speed setting is easy to adjust. It is convenient.

Battery Indicator Light

The battery indicator light notifies you when you have to charge your battery.


The Dremel 8220 rotary tool has a speed variance of 5,000 to 35,000 rpm. Compatibility with maximum accessories makes the rotary tool versatile. It is a precision tool that you have control of at all speeds.


The Dremel 8220 is a 12 Volt rotary tool with cordless performance. It is easy to handle. Lithium-ion battery technology holds a charge for up to 2 years. That does not come with memory effects. You are allowed to charge it anytime. The battery charges in one hour.

What could be better

Dremel 4000 

  • The cooling system could have been better. The 4000 model gets a bit hot while using it, and sometimes you should stop and let it cool. 
  • It could have been portable so that the cord does not throw off the balance of the tool.

Dremel 8220

  • The battery capacity would have been better. Keep it fully charged so that you get much work done. Using this tool at higher RPM settings makes the battery lose its charge in a few minutes.
  • It could have been lighter. 


  • Dremel 4000 and 8220 are for engraving, sanding, and polishing. 
  • Both use the same collet system for changing accessories like drill bits.
  • Both have motors that output almost the same power.

Differences between Dremel 4000 and Dremel 8220

  • Dremel 4000 is corded, while the 8220 uses battery power.
  • Dremel 4000 has higher RPMs than the 8220 model. 


The Dremel 8220 is below 150, whereas the Dremel 4000


In conclusion, both tools are versatile but have some differences that keep them unique. For a more portable sanding tool, the Dremel 8220 will be ideal. If your projects take more time, the oil will be less tiresome. If you are working on projects that require maximum speed, you may have to take the Dremel 4000. I hope this article has helped you pick one tool that suits your needs better.

David D. Hughes

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