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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.

Sculpfun S40 MAX 48W laser engraver by Sculpfun

7.9

Sculpfun S40 MAX 48W

Sculpfun · 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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Longer Laser B1 40W laser engraver by Longer

7.8

Longer Laser B1 40W

Longer · 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.

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Our verdict

Sculpfun S40 MAX 48W

7 spec wins

Sculpfun S40 MAX 48W wins on

ScoreEase of useCapabilityBuild quality+3

Longer Laser B1 40W

4 spec wins

Longer Laser B1 40W wins on

Value scorePricePrecisionPros

Overall, the Sculpfun S40 MAX 48W takes it: 7.9 vs 7.8 in our scoring.

SpecSculpfun S40 MAX 48WLonger Laser B1 40W
Overview
BrandSculpfunLonger
Laser typeDiodeDiode
Main focusHandles everyday engraving and cutting jobsBuilt mainly for cutting shapes and parts
Main objectiveExtra-large Sculpfun diode for big panels and production-style cuttingMaximum cut speed and depth in the line: engraving remains strong at tuned speeds
Best for
  • Large signs
  • Batch cutting
  • Studio production
  • Sculpfun power users
  • Maximum cuts in line
  • Speed-focused hobby
  • Thick soft woods
  • Cut-heavy weeks
Scores
ScoreBest7.97.8
Value score7.1Best7.4
Ease of useBest8.28.0
CapabilityBest7.97.6
Build qualityBest8.57.8
Pricing
Price

$999 – $1,299

919 € – 1.195 €

LightBurn bundle common

Best

$699 – $949

643 € – 873 €

40W optical module: verify SKU before buying

Hardware
PowerBest48W diode (compressed)40W diode
Work areaBest830 × 800 mm450 × 440 mm
Precision0.1 mm repositioningBest0.01 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 size0.154 × 0.121 mm~0.08 mm spot
Max speed600 mm/s (36,000 mm/min marketing)400 mm/s
Materials
EngravesBest
  • Wood
  • Leather
  • Stone
  • Ceramics
  • Glass (surface)
  • Paper
  • Wood
  • Leather
  • Slate
  • Anodized aluminum
Cuts
  • 20 mm plywood (claimed, verify)
  • 6 mm dark acrylic (claimed)
  • Basswood
  • Fabric
  • Basswood (up to 10 mm)
  • Dark acrylic (up to 5 mm)
  • Paper
  • Fabric
Cannot do
  • Bare metal without additives
  • Clear acrylic (diode limitation)
  • Small desk footprint
  • Clear acrylic
  • Bare metal
  • CO₂ acrylic production
  • Enclosed safety without add-on cover
Software & connectivity
SoftwareLightBurn, LaserGRBLLonger Laser Tool, LightBurn
ConnectivityWi-Fi (TS1), USBWi-Fi, USB
Verdict
TL;DRThe 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
  • Strongest cut headroom in the line: about 20 mm basswood-class stock in benchmarks
  • 48W: the most cut-focused head in the Sculpfun S40 MAX line
  • Open-frame: plan laser glasses, exhaust, and workspace rules from day one
Best
  • Strongest cut headroom in the line: about 10 mm basswood-class stock in benchmarks
  • 40W: the most cut-focused head in the Longer Laser B1 line
  • Open-frame: plan laser glasses, exhaust, and workspace rules from day one
  • Software on the profile: trial your workflow on scrap before production
Cons
  • Clear cast acrylic and thick production cutting still favor CO₂, not diode power alone
  • Confirm optical wattage on the listing before you buy
  • Clear cast acrylic and thick production cutting still favor CO₂, not diode power alone
  • Confirm optical wattage on the listing before you buy

“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.