Sculpfun S40 MAX 48W vs Longer Laser B1 40W
Spec-by-spec breakdown of the Sculpfun S40 MAX 48W and the Longer Laser B1 40W: scores, pricing, cutting performance, software, and what each machine is really best at.

7.9
Sculpfun S40 MAX 48WSculpfun · Diode
The S40 MAX (2025) targets makers who outgrew 400 mm frames: 830×800 mm work area, 48W optical power, auto-focus, and Wi-Fi via TS1 screen. Built for sign panels and batch cutting: verify shipping weight and workshop space before ordering.
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7.8
Longer Laser B1 40WLonger · Diode
Longer Laser B1 40W is the 40W SKU on the Longer longer laser b1 line. Longer's large-format B1 20W diode: this profile is the 20W SKU only; Longer also sells 30W and 40W B1 machines separately. Verify optical power on the listing: do not assume combined-watt marketing.
View full profile →Our verdict
Sculpfun S40 MAX 48W
7 spec wins
Sculpfun S40 MAX 48W wins on
Longer Laser B1 40W
4 spec wins
Longer Laser B1 40W wins on
Overall, the Sculpfun S40 MAX 48W takes it: 7.9 vs 7.8 in our scoring.
| Spec | Sculpfun S40 MAX 48W | Longer Laser B1 40W |
|---|---|---|
| Overview | ||
| Brand | Sculpfun | Longer |
| Laser type | Diode | Diode |
| Main focus | Handles everyday engraving and cutting jobs | Built mainly for cutting shapes and parts |
| Main objective | Extra-large Sculpfun diode for big panels and production-style cutting | Maximum cut speed and depth in the line: engraving remains strong at tuned speeds |
| Best for |
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| Scores | ||
| Score | Best7.9 | 7.8 |
| Value score | 7.1 | Best7.4 |
| Ease of use | Best8.2 | 8.0 |
| Capability | Best7.9 | 7.6 |
| Build quality | Best8.5 | 7.8 |
| Pricing | ||
| Price | $999 – $1,299 919 € – 1.195 € LightBurn bundle common | Best $699 – $949 643 € – 873 € 40W optical module: verify SKU before buying |
| Hardware | ||
| Power | Best48W diode (compressed) | 40W diode |
| Work area | Best830 × 800 mm | 450 × 440 mm |
| Precision | 0.1 mm repositioning | Best0.01 mm |
| Real-world performance | ||
| Sample engrave | Filled photo or logo on birch plywood ~6–9 min · 10 × 10 cm (4 × 4 in) | Filled photo or logo on birch plywood ~12–18 min · 10 × 10 cm (4 × 4 in) |
| Sample cut | Simple square cut-out from 3 mm basswood ~3–5 min · 10 × 10 cm (4 × 4 in) | Simple square cut-out from 3 mm basswood ~6–10 min · 10 × 10 cm (4 × 4 in) |
| Spot size | 0.154 × 0.121 mm | ~0.08 mm spot |
| Max speed | 600 mm/s (36,000 mm/min marketing) | 400 mm/s |
| Materials | ||
| Engraves | Best
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| Cuts |
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| Cannot do |
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| Software & connectivity | ||
| Software | LightBurn, LaserGRBL | Longer Laser Tool, LightBurn |
| Connectivity | Wi-Fi (TS1), USB | Wi-Fi, USB |
| Verdict | ||
| TL;DR | The S40 MAX (2025) targets makers who outgrew 400 mm frames: 830×800 mm work area, 48W optical power, auto-focus, and Wi-Fi via TS1 screen. Built for sign panels and batch cutting: verify shipping weight and workshop space before ordering. | Longer Laser B1 40W is the 40W SKU on the Longer longer laser b1 line. Longer's large-format B1 20W diode: this profile is the 20W SKU only; Longer also sells 30W and 40W B1 machines separately. Verify optical power on the listing: do not assume combined-watt marketing. |
| Pros |
| Best
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| Cons |
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“Best” highlights the strongest spec on paper for that row only — not an overall buying recommendation.
Frequently asked questions
Which is better: Sculpfun S40 MAX 48W or Longer Laser B1 40W?
In our scoring, the Sculpfun S40 MAX 48W comes out ahead with 7.9/10 overall versus 7.8/10 for the Longer Laser B1 40W. The detailed table above shows exactly where each machine wins.
Which is cheaper: Sculpfun S40 MAX 48W or Longer Laser B1 40W?
The Longer Laser B1 40W is the more affordable option, starting around $699, versus $999 for the Sculpfun S40 MAX 48W.
Which is better for a beginner: Sculpfun S40 MAX 48W or Longer Laser B1 40W?
The Sculpfun S40 MAX 48W is the easier machine to start with: it scores 8.2/10 for ease of use, versus 8.0/10 for the Longer Laser B1 40W.
What is the main difference between the Sculpfun S40 MAX 48W and the Longer Laser B1 40W?
The Sculpfun S40 MAX 48W is a Diode laser geared toward engraving & cutting, while the Longer Laser B1 40W is a Diode laser geared toward cutting. That difference drives most of the gaps you see in the comparison table.