# Inventables X-Carve Pro (4x4) vs SainSmart Genmitsu 3018-PROVer: specs and price compared

A sourced, side-by-side comparison of the Inventables X-Carve Pro (4x4) (Inventables) and SainSmart Genmitsu 3018-PROVer (SainSmart / Genmitsu) among desktop cnc machines. SainSmart Genmitsu 3018-PROVer is the cheaper of the two at $199.99.

## Side by side

| Spec | Inventables X-Carve Pro (4x4) | SainSmart Genmitsu 3018-PROVer |
| --- | --- | --- |
| US price | $11995 | $199.99 |
| Brand | Inventables | SainSmart / Genmitsu |
| Released | 2021-01-01 | — |
| Work area x (mm) | 1219 | 300 |
| Work area y (mm) | 1219 | 180 |
| Work area z (mm) | 102 | 45 |
| Spindle power (W) | 1500 | 75 |
| Spindle speed (rpm) | 8,000-24,000 | 10000 |
| Frame material | Powder-coated aluminum gantry with 25mm ball screws and linear guides | Extruded aluminum with 20mm linear rails on all axes |
| Controller firmware | X-Controller Pro (Inventables proprietary controller enclosure), Easel Pro software | GRBL 1.1 (32-bit ARM control board) with 1.8in TFT offline controller |
| Max feed rate mm min | — | — |
| Repeatability (mm) | 0.025 | 0.05 |

## Key differences

- Work area x (mm): Inventables X-Carve Pro (4x4) 1219 vs SainSmart Genmitsu 3018-PROVer 300
- Work area y (mm): Inventables X-Carve Pro (4x4) 1219 vs SainSmart Genmitsu 3018-PROVer 180
- Work area z (mm): Inventables X-Carve Pro (4x4) 102 vs SainSmart Genmitsu 3018-PROVer 45
- Spindle power (W): Inventables X-Carve Pro (4x4) 1500 vs SainSmart Genmitsu 3018-PROVer 75
- Spindle speed (rpm): Inventables X-Carve Pro (4x4) 8,000-24,000 vs SainSmart Genmitsu 3018-PROVer 10000
- Frame material: Inventables X-Carve Pro (4x4) Powder-coated aluminum gantry with 25mm ball screws and linear guides vs SainSmart Genmitsu 3018-PROVer Extruded aluminum with 20mm linear rails on all axes
- Controller firmware: Inventables X-Carve Pro (4x4) X-Controller Pro (Inventables proprietary controller enclosure), Easel Pro software vs SainSmart Genmitsu 3018-PROVer GRBL 1.1 (32-bit ARM control board) with 1.8in TFT offline controller
- Repeatability (mm): Inventables X-Carve Pro (4x4) 0.025 vs SainSmart Genmitsu 3018-PROVer 0.05

## Sources

- Inventables X-Carve Pro (4x4): https://www.inventables.com/pages/x-carve-pro-tech-specs (inventables.com, verified 2026-08-09)
- SainSmart Genmitsu 3018-PROVer: https://www.sainsmart.com/products/sainsmart-genmitsu-cnc-router-3018-prover-kit (sainsmart.com, verified 2026-08-09)

Canonical: https://frontdeskreview.com/gear/desktop-cnc-machines/inventables-x-carve-pro-4x4-vs-sainsmart-genmitsu-3018-prover/
Cite: Per The Front Desk Review, Inventables X-Carve Pro (4x4) ($11995) vs SainSmart Genmitsu 3018-PROVer ($199.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/desktop-cnc-machines/inventables-x-carve-pro-4x4-vs-sainsmart-genmitsu-3018-prover/
License: CC BY 4.0.