OMTech 90W CO2 Laser Engraver vs OMTech 50W Fiber Laser Engraver (2026): Key Differences
As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.
This omtech 90w co2 laser engraver vs 50w fiber laser engraver comparison highlights two distinct machines for different tasks. Both units support LightBurn software and include safety features like Class 2 laser ratings. The main difference lies in their laser technology and target materials. The CO2 model uses a 90W tube for cutting thick non-metals, while the fiber model uses a 50W source for marking metals with high speed.
Key differences
| Aspect | OMTech 90W CO2 Laser Engraver with LightBurn | OMTech 50W Fiber Laser Engraver with Rotary Axis |
|---|---|---|
| Laser Type | CO2 | Fiber |
| Laser Power | 90W | 50W |
| Working Area | 20" x 28" | 5.9" x 5.9" |
| Max Engraving Speed | 600 mm/s | 10,000 mm/s |
| Compatible Materials | Non-metallics | Metal, Jewelry, Aluminum |
| Key Features | Air assist, water cooling, pass-through doors | Rotary axis, red dot indicator, all-metal body |
Which one should you choose?
Choose OMTech 90W CO2 Laser Engraver with LightBurn if
- You need to cut or engrave thick non-metallic materials like wood or acrylic.
- You require a large 20" x 28" work area for big projects.
- You want to handle oversized items using the pass-through doors.
Choose OMTech 50W Fiber Laser Engraver with Rotary Axis if
- You primarily mark metals, jewelry, or aluminum surfaces.
- You need extremely fast engraving speeds up to 10,000 mm/s.
- You want to engrave cylindrical items using the included rotary axis.
Verdict: Choose the 90W CO2 engraver if you focus on cutting and engraving non-metals on a large scale. Pick the 50W fiber laser if your work involves precise metal marking and you value high speed and a compact footprint. Both machines offer reliable performance for their specific material types.
OMTech 90W CO2 vs 50W Fiber
Laser Technology
The OMTech 90W CO2 Laser Engraver uses a carbon dioxide laser tube, which is the standard for cutting and engraving non-metallic materials like wood, acrylic, and leather. It delivers 90 watts of power to handle thicker substrates. In contrast, the OMTech 50W Fiber Laser Engraver employs a fiber laser source. This technology is specifically designed for marking metals, jewelry, and aluminum. It cannot cut wood or acrylic. You must choose the CO2 model if you work with organic materials, or the fiber model if your focus is exclusively on metal marking.
Working Area
Size matters for large projects. The OMTech 90W CO2 Laser Engraver offers a spacious 20 x 28-inch honeycomb work surface. This allows you to engrave full sheets of plywood or large acrylic signs. The OMTech 50W Fiber Laser Engraver has a much smaller 5.9 x 5.9-inch working area. This compact zone is ideal for small items like rings, keys, or phone cases. If you need to process large boards, the CO2 machine is the clear choice. For tiny, detailed parts, the fiber machine’s small footprint is sufficient and often more precise.
Engraving Speed
Speed impacts your daily output. The OMTech 50W Fiber Laser Engraver boasts a maximum engraving speed of up to 10,000 mm/s. This rapid velocity is typical for fiber lasers marking metal surfaces quickly. The OMTech 90W CO2 Laser Engraver lists a maximum speed of up to 600 mm/s. While slower, this speed is appropriate for cutting through thicker non-metallic materials where precision and power are prioritized over raw travel speed. For high-volume metal marking, the fiber laser’s speed is superior. For cutting tasks, the CO2 speed is standard.
Special Features
Each machine includes unique hardware features. The OMTech 90W CO2 Laser Engraver features 4-way pass-through doors for front-rear and left-right access, allowing you to handle bulky items. It also includes an integrated air assist system and a water cooling pump for the laser tube. The OMTech 50W Fiber Laser Engraver comes with a rotary axis for cylindrical marking and a red dot indicator for focus adjustment. It uses an all-metal body. The CO2 machine offers better handling for large objects, while the fiber machine offers versatility for round items.
Software Support
Both machines support industry-standard software. The OMTech 90W CO2 Laser Engraver is compatible with LightBurn, which is included with specific variations. The OMTech 50W Fiber Laser Engraver supports both LightBurn and EzCad2 software. EzCad2 is often preferred for fiber laser operations, while LightBurn is popular for CO2 machines. Both options provide robust control over your designs. The fiber machine’s inclusion of EzCad2 adds flexibility for users who prefer that interface. However, since both support LightBurn, the software difference is minor for most users.
Choose based on material and size
Large wood or acrylic projects
You need a 20 by 28 inch working area for big items. This CO2 unit cuts up to 0.4 inches deep. It handles non-metallic materials like wood and acrylic with 90 watts of power. The large pass-through doors let you feed long boards through easily. It is built for substantial fabrication tasks.
Precision metal marking
You require fine detail on metals like jewelry or aluminum. This fiber laser marks with a 0.01 mm spot size. It reaches speeds up to 10,000 mm/s for fast production. The included rotary axis adds versatility for cylindrical objects. It is designed for high-speed, precise marking rather than deep cutting.
Versatile hobbyist with mixed needs
You want a single machine for varied creative projects. The 90W CO2 laser handles engraving and cutting on wood, leather, and acrylic. It features an integrated air assist and water cooling for consistent results. The large bed accommodates diverse project sizes, making it a practical choice for general crafting and prototyping.
The products compared
OMTech 90W CO2 Laser Engraver with LightBurn
Best for: Large non-metallic engraving and cutting
- Laser Type
- CO2
- Laser Power
- 90W
- Working Area
- 20" x 28"
- Engraving Speed
- Up to 600 mm/s
- Software Compatibility
- LightBurn
- Dimensions
- 57.1 × 34.3 × 27.6 inches
View on Amazon: OMTech 90W CO2 Laser Engraver with LightBurn Affiliate link
This OMTech 90W CO2 laser engraver handles non-metallic materials with a 20" x 28" work area. It reaches speeds up to 600 mm/s and includes LightBurn software. The unit weighs 227 pounds and measures 57.1 inches long. It features a water cooling system and air assist. You get a large footprint for big projects, but the heavy build requires space. It suits those needing depth and width.
Pros
- 90W CO2 laser power for up to 0.4" deep engraving
- 20" x 28" honeycomb work surface
- Integrated air assist system
- Water cooling system for tube longevity
- Includes LightBurn software
Cons
- Heavy 227-pound build limits portability
- Large footprint comparable to a washing machine
- No fiber laser capability for metals
Good fit if
- You need to cut or engrave large non-metallic sheets
- You require deep engraving capabilities up to 0.4 inches
- You prefer LightBurn software over proprietary options
Skip if
- You need to mark metal surfaces
- You have limited floor space for a 57-inch machine
- You require a lightweight, portable unit
Verdict: OMTech 90W CO2 Laser Engraver fits makers who prioritize large work areas and deep cutting on wood or acrylic. It is not suitable for metal marking or small workshops.
OMTech 50W Fiber Laser Engraver with Rotary Axis
Best for: fast metal marking and jewelry engraving
- Laser Type
- Fiber
- Laser Power
- 50W
- Working Area
- 5.9" x 5.9"
- Engraving Speed
- Up to 10,000 mm/s
- Software Compatibility
- LightBurn, EzCad2
- Compatible Material
- Metal, Jewelry, Aluminum
View on Amazon: OMTech 50W Fiber Laser Engraver with Rotary Axis Affiliate link
This OMTech 50W fiber laser marks metal, jewelry, and aluminum with high precision. It features a 5.9 x 5.9 inch working area and engraving speeds up to 10,000 mm/s. The included rotary axis allows for cylindrical objects. You get LightBurn and EzCad2 software for easy operation. This all-metal machine is built for accurate, fast marking on conductive materials.
Pros
- 50W fiber laser source for metal engraving
- 0.01mm spot diameter for fine detail
- Engraving speed up to 10,000 mm/s
- Includes rotary axis for cylindrical items
- Compatible with LightBurn and EzCad2 software
Cons
- Small 5.9 x 5.9 inch working area
- Limited to metal and hard materials
- No mention of air assist or fume extraction
Good fit if
- You need to mark metal jewelry or tools
- You require high-speed engraving on small parts
- You want to engrave cylindrical objects with the rotary
Skip if
- You plan to engrave wood or acrylic
- You need to process large sheets or big items
- You prefer a CO2 laser for organic materials
Verdict: OMTech 50W Fiber Laser with Rotary is a compact, high-speed solution for metal marking. It suits professionals who need precise, rapid engraving on small metal parts and cylindrical items.
Specifications side by side
| Spec | OMTech 90W CO2 Laser Engraver with LightBurn | OMTech 50W Fiber Laser Engraver with Rotary Axis |
|---|---|---|
| Laser Type | CO2 | Fiber |
| Laser Power | 90W | 50W |
| Working Area | 20" x 28" | 5.9" x 5.9" |
| Engraving Speed | Up to 600 mm/s | Up to 10,000 mm/s |
| Software Compatibility | LightBurn | LightBurn, EzCad2 |
| Compatible Material | not stated | Metal, Jewelry, Aluminum |
| Features | not stated | Rotary Axis |
| Dimensions | 57.1 × 34.3 × 27.6 inches | not stated |
| Weight | 227 pounds | not stated |
| Size | with LightBurn | Galvo 50W with Rotary Axis |
| Color | with LightBurn | not stated |
| Model | RYGEL-USB0705U2 | not stated |
Frequently asked questions
Can the OMTech 90W CO2 laser engrave metal?
No, this machine is not suitable for metal marking. It uses a CO2 laser tube designed specifically for non-metallic materials. You can use it on wood, acrylic, and leather. It cannot mark stainless steel or aluminum. Choose the fiber model for metal tasks.
Does the OMTech 50W Fiber laser cut thick materials?
No, this unit is designed for marking and engraving, not cutting. It excels at fast metal marking and jewelry engraving. The fiber laser focuses on surface details on metals like aluminum. It is not built to cut through thick substrates like the CO2 model.
Which machine is better for large wooden projects?
The OMTech 90W CO2 Laser Engraver is the better choice. It offers a large working area of 34.3 inches by 27.6 inches. This size accommodates big items that would not fit on the compact fiber unit. It also provides deep cutting capabilities for thick wood.
Is rotary engraving available on the 50W Fiber model?
Yes, the OMTech 50W Fiber Laser Engraver includes a rotary axis. This feature allows you to engrave cylindrical items like tumblers or jewelry. The CO2 model does not list this specific accessory in its attributes. The rotary axis makes the fiber unit ideal for round metal objects.
Do both engravers work with LightBurn software?
Yes, both machines support LightBurn software. This compatibility is listed for both the 90W CO2 and the 50W Fiber models. Using LightBurn helps you manage design files and laser settings efficiently. It is a key feature for both units in this comparison.
How heavy is the OMTech 90W CO2 laser?
The OMTech 90W CO2 Laser Engraver weighs 227 pounds. This significant weight indicates a sturdy build for a large machine. The fiber model is described as compact. You will need a strong floor to support the CO2 unit safely in your workshop.
Which laser is faster for small metal parts?
The OMTech 50W Fiber Laser Engraver is faster for this task. It is a compact, high-speed solution for metal marking. The fiber technology allows for precise, rapid engraving on small parts. The CO2 laser is slower and not optimized for this specific type of work.