# SainSmart Genmitsu 3018-PROVer vs BobsCNC Evolution 4 (E4): specs and price compared

A sourced, side-by-side comparison of the SainSmart Genmitsu 3018-PROVer (SainSmart / Genmitsu) and BobsCNC Evolution 4 (E4) (BobsCNC) among desktop cnc machines.

## Side by side

| Spec | SainSmart Genmitsu 3018-PROVer | BobsCNC Evolution 4 (E4) |
| --- | --- | --- |
| US price | $199.99 | not published |
| Brand | SainSmart / Genmitsu | BobsCNC |
| Work area x (mm) | 300 | 610 |
| Work area y (mm) | 180 | 610 |
| Work area z (mm) | 45 | 84 |
| Spindle power (W) | 75 | — |
| Spindle speed (rpm) | 10000 | 10,000-30,000 |
| Frame material | Extruded aluminum with 20mm linear rails on all axes | Laser-cut Baltic birch plywood |
| Controller firmware | GRBL 1.1 (32-bit ARM control board) with 1.8in TFT offline controller | Arduino Uno with GRBL 1.1 firmware, custom stepper driver shield |
| Max feed rate mm min | — | 5080 |
| Repeatability (mm) | 0.05 | — |

## Key differences

- Work area x (mm): SainSmart Genmitsu 3018-PROVer 300 vs BobsCNC Evolution 4 (E4) 610
- Work area y (mm): SainSmart Genmitsu 3018-PROVer 180 vs BobsCNC Evolution 4 (E4) 610
- Work area z (mm): SainSmart Genmitsu 3018-PROVer 45 vs BobsCNC Evolution 4 (E4) 84
- Spindle speed (rpm): SainSmart Genmitsu 3018-PROVer 10000 vs BobsCNC Evolution 4 (E4) 10,000-30,000
- Frame material: SainSmart Genmitsu 3018-PROVer Extruded aluminum with 20mm linear rails on all axes vs BobsCNC Evolution 4 (E4) Laser-cut Baltic birch plywood
- Controller firmware: SainSmart Genmitsu 3018-PROVer GRBL 1.1 (32-bit ARM control board) with 1.8in TFT offline controller vs BobsCNC Evolution 4 (E4) Arduino Uno with GRBL 1.1 firmware, custom stepper driver shield

## Sources

- SainSmart Genmitsu 3018-PROVer: https://www.sainsmart.com/products/sainsmart-genmitsu-cnc-router-3018-prover-kit (sainsmart.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/sainsmart-genmitsu-3018-prover-vs-bobscnc-evolution-4/
Cite: Per The Front Desk Review, SainSmart Genmitsu 3018-PROVer ($199.99) vs BobsCNC Evolution 4 (E4) (not published) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/desktop-cnc-machines/sainsmart-genmitsu-3018-prover-vs-bobscnc-evolution-4/
License: CC BY 4.0.