OMTech K40+ 45W
#6 in CO2Full review
A low cost CO2 starter for tinkerers who want acrylic and glass work on a budget and don’t mind hands on setup. Its small bed rules out signs.
Amazon $769.99$769.99
The OMTech K40+ 45W is the better laser engraver overall, rated 4.0 to 3.8. The OMTech K40+ 45W leads on value. The VEVOR 55W CO2 20x12 wins on features and work area. The OMTech K40+ 45W costs $1,489.91 less ($769.99 vs $2,259.90).
VEVOR 55W CO2 20x12
#7 in CO2Full review
A feature packed 55 W CO2 for crafters who want a camera and autofocus for less than an xTool P2S. The unclear warranty makes it a bigger gamble.
Amazon $2,259.90$2,259.90
Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the OMTech K40+ 45W for value ($17.11 per optical watt ($769.99, 45 W) vs $41.09 per optical watt ($2,259.90, 55 W)).
- Choose the VEVOR 55W CO2 20x12 for features (enclosed, camera, air assist, autofocus vs enclosed, air assist) and work area (508 x 305 mm work area vs 305 x 203 mm work area).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every CO2 laser engraver; a clear win is highlighted. How we rank explains each one.
| Factor weight | OMTech K40+ 45W | VEVOR 55W CO2 20x12 |
|---|---|---|
| Overall rating | 4.0/5 | 3.8/5 |
| Value 35% | 100 $17.11 per optical watt ($769.99, 45 W) | 80 $41.09 per optical watt ($2,259.90, 55 W) |
| Work area 15% | 1 305 x 203 mm work area | 53 508 x 305 mm work area |
| Features 30% | 55 enclosed, air assist | 100 enclosed, camera, air assist, autofocus |
| Warranty 20% | 100 2-year warranty | 0 warranty not published, scored as none |
Specifications
| OMTech K40+ 45W | VEVOR 55W CO2 20x12 | |
|---|---|---|
| Laser | ||
| Type | CO2 | CO2 |
| Optical power | 45 W | 55 W |
| Work area | 305 x 203 mm | 508 x 305 mm |
| Maximum speed | 300 mm/s | 500 mm/s |
| Safety class | - | Class 4 |
| Features | ||
| Enclosed | Yes | Yes |
| Camera | - | Yes |
| Air assist | Yes | Yes |
| Autofocus | - | Yes |
| Warranty | 2 years | - |