# DeWalt DWE6421K 5 in. Single Speed Random Orbit Sander Kit vs Ryobi RS290G: specs and price compared

A sourced, side-by-side comparison of the DeWalt DWE6421K 5 in. Single Speed Random Orbit Sander Kit (DeWalt) and Ryobi RS290G (Ryobi) among random orbital sanders. Ryobi RS290G is the cheaper of the two at $69.

## Side by side

| Spec | DeWalt DWE6421K 5 in. Single Speed Random Orbit Sander Kit | Ryobi RS290G |
| --- | --- | --- |
| US price | $75 | $69 |
| Brand | DeWalt | Ryobi |
| Power source | corded | corded |
| Pad diameter (in) | 5 | 5 |
| Orbit diameter (mm) | — | — |
| Oscillations per minute max | 12000 | 12500 |
| Variable speed | No | No |
| Amperage | 3 | 2.6 |
| Voltage | — | — |
| Dust collection type | bag-and-port | bag |
| Weight (lb) | 2.9 | 4 |
| Vibration ms2 | — | — |
| Noise level (dB) | — | — |

## Key differences

- Oscillations per minute max: DeWalt DWE6421K 5 in. Single Speed Random Orbit Sander Kit 12000 vs Ryobi RS290G 12500
- Amperage: DeWalt DWE6421K 5 in. Single Speed Random Orbit Sander Kit 3 vs Ryobi RS290G 2.6
- Dust collection type: DeWalt DWE6421K 5 in. Single Speed Random Orbit Sander Kit bag-and-port vs Ryobi RS290G bag
- Weight (lb): DeWalt DWE6421K 5 in. Single Speed Random Orbit Sander Kit 2.9 vs Ryobi RS290G 4

## What reviewers say

**DeWalt DWE6421K 5 in. Single Speed Random Orbit Sander Kit** — Two whitelisted testers cover the DWE6421K, but only Reviewed hands-on-tested it, naming it Best Overall for stripping paint in about three minutes versus roughly five for rivals. It praises the powerful 3-amp motor, comfort and decent dust collection, while flagging single-speed operation and that the tool jumps and pulls. Pro Tool Reviews is a spec preview, not benchmarked. (2 sourced reviews.)

## Sources

- DeWalt DWE6421K 5 in. Single Speed Random Orbit Sander Kit: https://www.dewalt.com/en-us/product/dwe6421k/5-single-speed-random-orbit-sander-kit-hl-pad (dewalt.com, verified 2026-07-11)
- Ryobi RS290G: https://www.ryobitools.com/products/33287161195 (ryobitools.com, verified 2026-07-11)

Canonical: https://frontdeskreview.com/gear/random-orbital-sanders/dewalt-dwe6421k-vs-ryobi-rs290g/
Cite: Per The Front Desk Review, DeWalt DWE6421K 5 in. Single Speed Random Orbit Sander Kit ($75) vs Ryobi RS290G ($69) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/random-orbital-sanders/dewalt-dwe6421k-vs-ryobi-rs290g/
License: CC BY 4.0.