# Bantam Tools Desktop CNC Milling Machine vs BobsCNC Evolution 4 (E4): specs and price compared

A sourced, side-by-side comparison of the Bantam Tools Desktop CNC Milling Machine (Bantam Tools) and BobsCNC Evolution 4 (E4) (BobsCNC) among desktop cnc machines.

## Side by side

| Spec | Bantam Tools Desktop CNC Milling Machine | BobsCNC Evolution 4 (E4) |
| --- | --- | --- |
| US price | $6999 | not published |
| Brand | Bantam Tools | BobsCNC |
| Released | 2019-01-01 | — |
| Work area x (mm) | 178 | 610 |
| Work area y (mm) | 229 | 610 |
| Work area z (mm) | 84 | 84 |
| Spindle power (W) | 250 | — |
| Spindle speed (rpm) | 10,000-28,000 | 10,000-30,000 |
| Frame material | Fully enclosed steel chassis with powder-coat finish | Laser-cut Baltic birch plywood |
| Controller firmware | Bantam Tools Milling Machine Software (proprietary, USB-connected) | Arduino Uno with GRBL 1.1 firmware, custom stepper driver shield |
| Max feed rate mm min | 6350 | 5080 |
| Repeatability (mm) | 0.025 | — |

## Key differences

- Work area x (mm): Bantam Tools Desktop CNC Milling Machine 178 vs BobsCNC Evolution 4 (E4) 610
- Work area y (mm): Bantam Tools Desktop CNC Milling Machine 229 vs BobsCNC Evolution 4 (E4) 610
- Spindle speed (rpm): Bantam Tools Desktop CNC Milling Machine 10,000-28,000 vs BobsCNC Evolution 4 (E4) 10,000-30,000
- Frame material: Bantam Tools Desktop CNC Milling Machine Fully enclosed steel chassis with powder-coat finish vs BobsCNC Evolution 4 (E4) Laser-cut Baltic birch plywood
- Controller firmware: Bantam Tools Desktop CNC Milling Machine Bantam Tools Milling Machine Software (proprietary, USB-connected) vs BobsCNC Evolution 4 (E4) Arduino Uno with GRBL 1.1 firmware, custom stepper driver shield
- Max feed rate mm min: Bantam Tools Desktop CNC Milling Machine 6350 vs BobsCNC Evolution 4 (E4) 5080

## Sources

- Bantam Tools Desktop CNC Milling Machine: https://bantamtools.com/products/bantam-tools-desktop-cnc-milling-machine (bantamtools.com, verified 2026-08-09)
- BobsCNC Evolution 4 (E4): https://mellowpine.com/bobscnc-evolution-4-cnc-router-review/ (mellowpine.com, verified 2026-08-09)

Canonical: https://frontdeskreview.com/gear/desktop-cnc-machines/bantam-tools-desktop-cnc-milling-machine-vs-bobscnc-evolution-4/
Cite: Per The Front Desk Review, Bantam Tools Desktop CNC Milling Machine ($6999) vs BobsCNC Evolution 4 (E4) (not published) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/desktop-cnc-machines/bantam-tools-desktop-cnc-milling-machine-vs-bobscnc-evolution-4/
License: CC BY 4.0.