Our Pick: BobsCNC Evolution 4 (Evo 4)

It scores 60/100 overall versus 54/100, winning 7 out of 9 comparison categories.

BobsCNC Evolution
Spec
TwoTrees TTC
$500
Price
$500
610 × 610 mm
Work area
460 × 460 mm
85 mm
Z travel
80 mm
900 W
Spindle power
300 W
14 kg
Weight
15.45 kg
Laser-cut birch plywood with aluminum extrusion rails
Frame
Aluminum and stainless-steel structure with T8 screw drive and V-wheel guidance
GRBL 1.1 (Arduino-based)
Controller
GRBL-compatible controller with 3.5-inch touchscreen
UGS, Candle, OpenBuilds CONTROL
Software
Candle, GRBL Controller, LightBurn for an optional laser module, UGS
BobsCNC Evolution 4 (Evo 4) is no longer sold new. The BobsCNC website is no longer online, so buying new, getting parts and getting support are all uncertain. Closest current alternative: TwoTrees TTC 450 Ultra CNC Router (from $700) · TwoTrees TTC 450 Ultra CNC Router vs TwoTrees TTC 450 Pro CNC Router

BobsCNC Evolution 4 (Evo 4) wins 3 of 4 spec categories. Both are similarly priced. BobsCNC Evolution 4 (Evo 4) leads by 6 points overall — here’s where those points come from:

Benchmark Scores

Side-by-side score comparison across all five benchmark dimensions.

60
BobsCNC Evolution

Overall

54
TwoTrees TTC
85 Value 72
28 Rigidity 32
38 Precision 40
78 Ease of use 65
42 Capability 32

BobsCNC Evolution 4 (Evo 4)

Pros

  • Largest work area in the under-$500 segment at 24x24 inches
  • Uses a real trim router for significantly more power
  • Quick assembly in 2-3 hours
  • Active community with good documentation
  • Made in the USA

Cons

  • Plywood frame limits rigidity and longevity
  • Router not included adds $80-120 to total cost
  • Cannot cut metals -- wood and plastic only
  • Belt drive limits precision compared to lead screw machines
  • Frame can warp in humid environments

TwoTrees TTC 450 Pro CNC Router

Pros

  • 500 W motor available as an upgrade; the base machine uses a 775 motor
  • T8 screw drive with adjustable brass nuts
  • 460x460mm work area is generous for the price
  • Integrated limit switches

Cons

  • Setup documentation may need supplementing; one listed owner wanted more operating guidance
  • Dust collection is an additional setup or bundle cost
  • V-wheel motion system requires maintenance

Verdict

BobsCNC Evolution 4 (Evo 4) wins this comparison with 7 categories to 2.

It scores 60/100 overall versus 54/100, winning 7 out of 9 comparison categories.

Where to Buy

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Frequently Asked Questions

What is the difference between BobsCNC Evolution 4 (Evo 4) and TwoTrees TTC 450 Pro CNC Router?

The BobsCNC Evolution 4 (Evo 4) ($500) features a 900W spindle with a 610×610mm work area and a Laser-cut birch plywood with aluminum extrusion rails frame. The TwoTrees TTC 450 Pro CNC Router ($500) features a 300W spindle with a 460×460mm work area and a Aluminum and stainless-steel structure with T8 screw drive and V-wheel guidance frame. Overall, the BobsCNC Evolution 4 (Evo 4) wins more comparison categories.

Which is better value for money — BobsCNC Evolution 4 (Evo 4) or TwoTrees TTC 450 Pro CNC Router?

Both machines are identically priced at $500. Our value scores rate the BobsCNC Evolution 4 (Evo 4) higher at 85/100.

Which router is easier to set up and use?

Based on our ease-of-use benchmarks, the BobsCNC Evolution 4 (Evo 4) scores higher (78/100 vs 65/100). Both support UGS, Candle, OpenBuilds CONTROL among other software options.

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