Atomstack A5 Pro 10W vs Longer Ray5 20W
Spec-by-spec breakdown of the Atomstack A5 Pro 10W and the Longer Ray5 20W: scores, pricing, cutting performance, software, and what each machine is really best at.
7.5
Atomstack A5 Pro 10WAtomstack · Diode
Atomstack A5 Pro 10W is the 10W SKU on the Atomstack atomstack a5 pro line. One of the cheapest ways to try laser engraving. Verify optical power on the listing: do not assume combined-watt marketing.
View full profile →
7.9
Longer Ray5 20WLonger · Diode
Longer Ray5 20W is the 20W SKU on the Longer longer ray5 line. Longer's compact Ray5 20W diode engraver: verify you are buying the 20W SKU, not the 5W, 10W, or 40W Ray5 listings. Verify optical power on the listing: do not assume combined-watt marketing.
View full profile →Our verdict
Atomstack A5 Pro 10W
3 spec wins
Atomstack A5 Pro 10W wins on
Longer Ray5 20W
5 spec wins
Longer Ray5 20W wins on
Overall, the Longer Ray5 20W takes it: 7.9 vs 7.5 in our scoring.
| Spec | Atomstack A5 Pro 10W | Longer Ray5 20W |
|---|---|---|
| Overview | ||
| Brand | Atomstack | Longer |
| Laser type | Diode | Diode |
| Main focus | Handles everyday engraving and cutting jobs | Handles everyday engraving and cutting jobs |
| Main objective | High-quality hobby and light-business engraving with light, slow cutting | Everyday engraving plus reliable light cutting on wood, leather, and dark acrylic |
| Best for |
|
|
| Scores | ||
| Score | 7.5 | Best7.9 |
| Value score | Best8.6 | 8.4 |
| Ease of use | 7.0 | Best8.5 |
| Capability | 7.2 | Best7.6 |
| Build quality | 6.5 | Best7.2 |
| Pricing | ||
| Price | Best $249 – $349 229 € – 321 € 10W optical module: verify SKU before buying | $299 – $449 275 € – 413 € 20W optical module: verify SKU before buying |
| Hardware | ||
| Power | 10W diode | Best20W diode |
| Work area | Best410 × 400 mm | 375 × 375 mm |
| Precision | 0.01 mm | 0.01 mm |
| Real-world performance | ||
| Sample engrave | Filled photo or logo on birch plywood ~18–28 min · 10 × 10 cm (4 × 4 in) | Filled photo or logo on birch plywood ~18–28 min · 10 × 10 cm (4 × 4 in) |
| Sample cut | Simple square cut-out from 3 mm basswood ~9–15 min · 10 × 10 cm (4 × 4 in) | Simple square cut-out from 3 mm basswood ~9–15 min · 10 × 10 cm (4 × 4 in) |
| Spot size | ~0.09 mm spot | ~0.09 mm spot |
| Max speed | 200 mm/s | 200 mm/s |
| Materials | ||
| Engraves |
|
|
| Cuts |
|
|
| Cannot do |
|
|
| Software & connectivity | ||
| Software | LightBurn, LaserGRBL | Longer Laser Tool, LightBurn |
| Connectivity | USB | USB, SD card |
| Verdict | ||
| TL;DR | Atomstack A5 Pro 10W is the 10W SKU on the Atomstack atomstack a5 pro line. One of the cheapest ways to try laser engraving. Verify optical power on the listing: do not assume combined-watt marketing. | Longer Ray5 20W is the 20W SKU on the Longer longer ray5 line. Longer's compact Ray5 20W diode engraver: verify you are buying the 20W SKU, not the 5W, 10W, or 40W Ray5 listings. Verify optical power on the listing: do not assume combined-watt marketing. |
| Pros |
|
|
| Cons |
|
|
“Best” highlights the strongest spec on paper for that row only — not an overall buying recommendation.
Frequently asked questions
Which is better: Atomstack A5 Pro 10W or Longer Ray5 20W?
In our scoring, the Longer Ray5 20W comes out ahead with 7.9/10 overall versus 7.5/10 for the Atomstack A5 Pro 10W. The detailed table above shows exactly where each machine wins.
Which is cheaper: Atomstack A5 Pro 10W or Longer Ray5 20W?
The Atomstack A5 Pro 10W is the more affordable option, starting around $249, versus $299 for the Longer Ray5 20W.
Which is better for a beginner: Atomstack A5 Pro 10W or Longer Ray5 20W?
The Longer Ray5 20W is the easier machine to start with: it scores 8.5/10 for ease of use, versus 7.0/10 for the Atomstack A5 Pro 10W.
What is the main difference between the Atomstack A5 Pro 10W and the Longer Ray5 20W?
The Atomstack A5 Pro 10W is a Diode laser geared toward engraving & cutting, while the Longer Ray5 20W is a Diode laser geared toward engraving & cutting. That difference drives most of the gaps you see in the comparison table.