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K40 CO2 vs Monport GP 40W CO2 — Which Should You Buy?

Side-by-side specs, settings, and decision guide. Both have community-tested settings for 38 shared materials.

K40 CO2: $399 vs Monport GP 40W CO2 — prices as of 2026, check retailer for current pricing.

Where to buy

Buy the K40 CO2 — check current price & availability

Buy on Amazon →

Affiliate link — we may earn a small commission at no extra cost to you.

Which one should you buy?

Pick the Monport GP 40W CO2 if you want: more cutting power (40W vs 35W); native LightBurn support (industry-standard).

K40 CO2

Price
$399
Power
35W
Laser Type
co2
Buy K40 CO2 →

Monport GP 40W CO2

Power
40W
Laser Type
co2
Software
LightBurn
79 settings for K40 CO259 settings for Monport GP 40W CO2

Settings Comparison

Material · OperationK40 CO2Monport GP 40W CO2
3mm Baltic Birch Plywoodcut18 mm/s · 80% · 2× passes · air assist22 mm/s · 78% · 2× passes · air assist
3mm Basswood Plywoodcut20 mm/s · 55%25 mm/s · 75% · 2× passes · air assist
3mm Black Acryliccut10 mm/s · 60%—
3mm Clear Acryliccut6 mm/s · 90% · air assist20 mm/s · 72% · 2× passes · air assist
3mm MDFcut12 mm/s · 65%22 mm/s · 80% · 2× passes · air assist
3mm Walnut Plywoodcut16 mm/s · 72%—
6mm Baltic Birch Plywoodcut10 mm/s · 85% · 2× passes—
6mm MDFcut8 mm/s · 88% · 2× passes—
Acrylic Feltcut55 mm/s · 28%55 mm/s · 28%
Bamboo 3mmcut18 mm/s · 68% · air assist18 mm/s · 68% · air assist
Bamboocut16 mm/s · 85% · 2× passes · air assist20 mm/s · 82% · 2× passes · air assist
Basswoodcut22 mm/s · 70% · air assist25 mm/s · 72% · 2× passes · air assist
Cardboardcut25 mm/s · 40%30 mm/s · 35%
Cardstock 160gsmcut50 mm/s · 12%—
Cardstock 300gsmcut85 mm/s · 18%85 mm/s · 18%
Cardstockcut30 mm/s · 25%600 mm/min · 20%
Chipboard 2mmcut28 mm/s · 58% · air assist28 mm/s · 58% · air assist
Copy Paper 80gsmcut100 mm/s · 12%100 mm/s · 12%
Cork 3mmcut28 mm/s · 35% · air assist28 mm/s · 35% · air assist
Corkcut30 mm/s · 40%—
Corrugated Cardboardcut35 mm/s · 45%35 mm/s · 45%
Cotton Fabriccut15 mm/s · 45–50% · air assist15 mm/s · 45–50% · air assist
Denim Fabriccut17 mm/s · 50–55% · air assist17 mm/s · 50–55% · air assist
EVA Foam 6mmcut45 mm/s · 32%45 mm/s · 32%
Faux Leathercut35 mm/s · 45% · air assist35 mm/s · 45% · air assist
Foam Board 5mmcut42 mm/s · 35%42 mm/s · 35%
Genuine Leather (Veg-Tan, ~3mm)cut25 mm/s · 50–60% · air assist28 mm/s · 45–55% · air assist
Genuine Leathercut10 mm/s · 60–65% · air assist—
HTV Vinylcut90 mm/s · 12%90 mm/s · 12%
Kraft Papercut105 mm/s · 8%—
Leathercut22 mm/s · 65% · air assist—
Maplecut10 mm/s · 70–80% · 2× passes12 mm/s · 65–75%
Mylar Stencil 7.5milcut68 mm/s · 18%68 mm/s · 18%
Plywoodcut16 mm/s · 85% · 2× passes · air assist20 mm/s · 80% · 2× passes · air assist
Rubber Stamp Blankcut11 mm/s · 60–65% · air assist11 mm/s · 60–65% · air assist
Rubber Stamp Materialcut7 mm/s · 80–85% · air assist—
Walnutcut10 mm/s · 70–80% · 2× passes12 mm/s · 65–75%
3mm Basswood Plywoodengrave200 mm/s · 30%—
3mm Black Acrylicengrave150 mm/s · 15–20%—
3mm Clear Acrylic (Cast)engrave390 mm/min420 mm/min
3mm Clear Acrylicengrave100 mm/s · 25–30%—
3mm Maple Plywoodengrave360 mm/min390 mm/min
3mm MDFengrave200 mm/s · 15–20%—
3mm Mirrored Acrylicengrave360 mm/min400 mm/min
3mm Walnut Plywoodengrave350 mm/s · 20%—
Acrylic Feltengrave500 mm/s · 5–10%500 mm/s · 5–10%
Anodized Aluminumengrave250 mm/s · 25%800 mm/s · 25% · 30× passes · air assist
Bamboo 3mmengrave250 mm/s · 15–20%250 mm/s · 15–20%
Bamboo Cutting Boardengrave220 mm/s · 28%—
Cardstock 160gsmengrave500 mm/s · 5–8%—
Cardstock 300gsmengrave500 mm/s · 5–8%500 mm/s · 5–8%
Ceramic Tileengrave220 mm/s · 55%—
Chipboard 2mmengrave400 mm/s · 15–20%400 mm/s · 15–20%
Copy Paper 80gsmengrave500 mm/s · 5–8%500 mm/s · 5–8%
Cork 3mmengrave250 mm/s · 20%400 mm/s · 5–10%
Corrugated Cardboardengrave500 mm/s · 10–15%500 mm/s · 10–15%
Cotton Fabricengrave280 mm/s · 16%280 mm/s · 16%
Denim Fabricengrave300 mm/s · 18%300 mm/s · 18%
EVA Foam 6mmengrave500 mm/s · 5–10%500 mm/s · 5–10%
Faux Leatherengrave500 mm/s · 10–15%500 mm/s · 10–15%
Foam Board 5mmengrave500 mm/s · 5–10%500 mm/s · 5–10%
Genuine Leather (Veg-Tan, ~3mm)engrave280 mm/s · 15–22% · air assist300 mm/s · 14–20% · air assist
Genuine Leatherengrave180 mm/s · 22%500 mm/s · 20% · 25× passes · air assist
Glassengrave250 mm/s · 25%350 mm/s · 10–14%
HTV Vinylengrave500 mm/s · 5–8%500 mm/s · 5–8%
Kraft Paperengrave500 mm/s · 8%—
Leatherengrave200 mm/s · 18% · 22× passes · air assist450 mm/s · 22% · 28× passes · air assist
Mapleengrave220 mm/s · 22–28%250 mm/s · 20–25%
Marble Tileengrave80 mm/s · 55%80 mm/s · 55%
Mylar Stencil 7.5milengrave500 mm/s · 5–8%500 mm/s · 5–8%
Rubber Stamp Blankengrave200 mm/s · 22%200 mm/s · 22%
Rubber Stamp Materialengrave120 mm/s · 45%—
Slate (coaster)engrave320 mm/s · 18–25%350 mm/s · 15–22%
Slateengrave200 mm/s · 65%500 mm/s · 35% · 40× passes · air assist
Stainless Steelengrave200 mm/s · 65%200 mm/s · 65%
Walnutengrave220 mm/s · 22–28%250 mm/s · 20–25%
All K40 CO2 settings →All Monport GP 40W CO2 settings →

Ready to buy the K40 CO2?

Buy on Amazon →

Frequently Asked Questions

Which is better, the K40 CO2 or Monport GP 40W CO2?

It depends on your use case. K40 CO2 is 35W co2. Monport GP 40W CO2 is 40W co2. See the decision guide and side-by-side specs above.

What materials can both the K40 CO2 and Monport GP 40W CO2 cut or engrave?

Both machines have community-tested settings for 38 shared materials. The settings table above lists every material with side-by-side speed, power, passes, and air assist values for direct comparison.

Is the Monport GP 40W CO2 or K40 CO2 compatible with LightBurn?

The Monport GP 40W CO2 works natively with LightBurn. The K40 CO2 uses . LightBurn compatibility may be possible via a community device profile but is not officially supported.

Is the Monport GP 40W CO2 (40W) much faster than the K40 CO2 (35W)?

Higher wattage typically means faster cutting and the ability to cut thicker material in fewer passes. The Monport GP 40W CO2 (40W) cuts thicker material in single passes and engraves at higher speeds than the K40 CO2 (35W). For raster engraving the difference is smaller because surface engraving is limited by mechanical scan speed.

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Settings are community-contributed and may not reflect your exact machine configuration or material batch. Always test on scrap first. Some links are affiliate links — we may earn a small commission at no extra cost to you.

What Makers Say

★★★★★5.0· 6 reviews
View all on Etsy →
★★★★★

"Used it with a Glowforge — engraved beautifully with no changes. I will be purchasing more digital downloads from this shop."

— Anna

★★★★★

"I was struggling with lining up my NFC business cards. I was able to not only line them up much better but also do multiple cards at once — making that job so much easier."

— Camp

★★★★★

"Excellent quality and design. Cut clean and neat!"

— LYNN

★★★★★

"Great jigs. Appreciate the time saved not having to build this from scratch!"

— Bruce

★★★★★

"Excellent quality. Item as described. Expectations exceeded."

— Michael

★★★★★

"This template made my slate coasters so much easier. 4×4 coasters from Michaels drop in easily and are easy to remove. Def worth it."

— chris

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