The Genmitsu 3018-PROVer V2 is the better CNC router overall, rated 2.9 to 2.8. The Genmitsu 3018-PROVer V2 leads on price. The Genmitsu 4040-PRO wins on work area. The Genmitsu 3018-PROVer V2 costs $380 less ($219 vs $599).
A first CNC for engraving, PCBs and small signs at the lowest price from an established brand. Buyers who want to cut hardwood or aluminum should look at a 4040 class machine.
Amazon $269 SainSmart $219A low cost, upgradable 4040 for hobbyists who want lead screw accuracy and a bigger bed than a 3018. Plan on a trim router upgrade for serious wood cutting.
Amazon $609 SainSmart $599Prices 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.
Each factor is scored 0-100 against the same fixed reference points for every compact CNC router; a clear win is highlighted. How we rank explains each one.
| Factor weight | Genmitsu 3018-PROVer V2 | Genmitsu 4040-PRO |
|---|---|---|
| Overall rating | 2.9/5 | 2.8/5 |
| Price 25% | 96 $219 | 52 $599 |
| Work area 15% | 1 81 sq in (11.4 x 7.1 in) | 98 246 sq in (15.7 x 15.7 in) |
| Spindle 15% | 50 spindle power not published (neutral score used) | 7 75 W spindle |
| Motion 20% | 45 screw or rack drive, limit switches | 45 screw or rack drive, limit switches |
| Warranty 25% | 0 1-year warranty | 0 1-year warranty |
| Genmitsu 3018-PROVer V2 | Genmitsu 4040-PRO | |
|---|---|---|
| Work area | ||
| Travel (X x Y x Z) | 11.4 x 7.1 x 1.6 in | 15.7 x 15.7 x 3.1 in |
| Area | 81 sq in | 246 sq in |
| Spindle | ||
| Spindle | 775 brushed DC spindle, 42 mm | 775 brushed DC spindle, 42 mm mount |
| Power | - | 75 W |
| Top speed | - | 9,000 rpm |
| Motion and control | ||
| Frame | aluminum | aluminum |
| Linear rails | No | No |
| Drive | Lead screw | Lead screw |
| Closed-loop steppers | No | No |
| Limit switches | Yes | Yes |
| Controller | GRBL, 32-bit board | GRBL, 32-bit board |
| Offline controller | No | No |
| Build | ||
| Weight | 20.4 lb | 45.5 lb |
| Warranty | 1 year | 1 year |
| Released | 2022-10 | 2022-10 |
