# Dremel 4300 Variable Speed Corded Rotary Tool vs Genesis GRT2103-40 Variable Speed Rotary Tool with 40 Accessories: specs and price compared

A sourced, side-by-side comparison of the Dremel 4300 Variable Speed Corded Rotary Tool (Dremel) and Genesis GRT2103-40 Variable Speed Rotary Tool with 40 Accessories (Genesis) among rotary tools. Genesis GRT2103-40 Variable Speed Rotary Tool with 40 Accessories is the cheaper of the two at $19.99.

## Side by side

| Spec | Dremel 4300 Variable Speed Corded Rotary Tool | Genesis GRT2103-40 Variable Speed Rotary Tool with 40 Accessories |
| --- | --- | --- |
| US price | $134 | $19.99 |
| Brand | Dremel | Genesis |
| Released | 2017 | — |
| Power source | corded | corded |
| Amps or voltage | 1.8 A | 1 A / 120 V |
| Speed range (rpm) | 5,000–35,000 RPM | 8,000–30,000 RPM |
| Max (rpm) | 35000 | 30000 |
| Variable speed | Yes | Yes |
| Brushless | No | No |
| Ez change accessories | Yes | No |
| Included accessories count | 40 | 40 |

## Key differences

- Amps or voltage: Dremel 4300 Variable Speed Corded Rotary Tool 1.8 A vs Genesis GRT2103-40 Variable Speed Rotary Tool with 40 Accessories 1 A / 120 V
- Speed range (rpm): Dremel 4300 Variable Speed Corded Rotary Tool 5,000–35,000 RPM vs Genesis GRT2103-40 Variable Speed Rotary Tool with 40 Accessories 8,000–30,000 RPM
- Max (rpm): Dremel 4300 Variable Speed Corded Rotary Tool 35000 vs Genesis GRT2103-40 Variable Speed Rotary Tool with 40 Accessories 30000
- Ez change accessories: Dremel 4300 Variable Speed Corded Rotary Tool Yes vs Genesis GRT2103-40 Variable Speed Rotary Tool with 40 Accessories No

## What reviewers say

**Dremel 4300 Variable Speed Corded Rotary Tool** — Only one whitelisted tester, Pro Tool Reviews, covers this exact model, naming the corded Dremel 4300-5/40 its best overall rotary tool for power and flexibility and praising its keyless chuck. The verdict is qualitative with no tester-measured lab figures. The lone knock is bulk. (1 sourced review.)

## Sources

- Dremel 4300 Variable Speed Corded Rotary Tool: https://www.prnewswire.com/news-releases/the-dremel-brand-debuts-their-most-versatile-tool-the-dremel-4300-300401043.html (prnewswire.com, verified 2026-06-20)
- Genesis GRT2103-40 Variable Speed Rotary Tool with 40 Accessories: https://www.homedepot.com/p/Genesis-Variable-Speed-Rotary-Tool-Kit-with-40-Accessories-GRT2103-40/203656925 (homedepot.com, verified 2026-06-20)

Canonical: https://frontdeskreview.com/gear/rotary-tools/dremel-4300-vs-genesis-grt2103-40/
Cite: Per The Front Desk Review, Dremel 4300 Variable Speed Corded Rotary Tool ($134) vs Genesis GRT2103-40 Variable Speed Rotary Tool with 40 Accessories ($19.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/rotary-tools/dremel-4300-vs-genesis-grt2103-40/
License: CC BY 4.0.