Our Pick: CNC 6090 Router
It wins 6 out of 10 comparison categories across specs and benchmark scores.
Sienci Labs LongMill MK2 48x30 wins 3 of 5 spec categories. Both are similarly priced. Sienci Labs LongMill MK2 48x30 leads by 6 points overall — here’s where those points come from:
Benchmark Scores
Side-by-side score comparison across all five benchmark dimensions.
Overall
CNC 6090 Router
Pros
- Cast frame provides serious rigidity for aggressive cuts
- 1.5kW spindle handles aluminum, brass, and hardwoods with ease
- Ball screws on all axes for precise, repeatable motion
- Large 600x900mm work area suits many commercial projects
- Strong aftermarket parts ecosystem from years of production
Cons
- Quality varies significantly between sellers
- Heavy at 85kg -- essentially a permanent installation
- Water cooling system requires setup and ongoing maintenance
- Electrical wiring often needs inspection and improvement
- No brand warranty or centralized customer support
Sienci Labs LongMill MK2 48x30
Pros
- Large 48x30 inch work area handles full-width projects
- Same excellent documentation as the 30x30 model
- Anti-backlash lead screws on all axes
- gSender software is beginner-friendly and well-maintained
- Responsive Canadian customer support
Cons
- Router not included adds to total cost
- Larger span reduces rigidity compared to 30x30
- Requires significant workspace footprint
- Heavier and more complex assembly
- Lead screw speed limits rapids on longer axis
Verdict
CNC 6090 Router wins this comparison with 6 categories to 4.
It wins 6 out of 10 comparison categories across specs and benchmark scores.
Where to Buy
Price-first merchant links with the clearest reason to click first.
CNC 6090 Router
$1500Sienci Labs LongMill MK2 48x30
$1400As an Amazon Associate I earn from qualifying purchases. Affiliate links may earn a commission at no extra cost.
Frequently Asked Questions
What is the difference between CNC 6090 Router and Sienci Labs LongMill MK2 48x30?
The CNC 6090 Router ($1500) features a 1500W spindle with a 600×900mm work area and a Cast aluminum/iron with ball screws frame. The Sienci Labs LongMill MK2 48x30 ($1400) features a 710W spindle with a 1219×762mm work area and a Steel and aluminum with anti-backlash lead screws frame. Overall, the CNC 6090 Router wins more comparison categories.
Which is better value for money — CNC 6090 Router or Sienci Labs LongMill MK2 48x30?
The Sienci Labs LongMill MK2 48x30 is $100 cheaper at $1400 vs $1500. Our value scores rate the CNC 6090 Router higher at 88/100.
Which router is easier to set up and use?
Based on our ease-of-use benchmarks, the Sienci Labs LongMill MK2 48x30 scores higher (82/100 vs 30/100). Both support Mach3, LinuxCNC, UGS among other software options.