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- i3 MK3S vs MK4
Prusa i3 MK3S vs Prusa MK4
What i3 MK3S does better (0) and where MK4 wins (4) — every spec side by side.
Dimensions
Size comparison
i3 MK3SMK4
| i3 MK3S | MK4 | Difference | |
|---|---|---|---|
| Height | 500 mm | 400 mm | +100 mm |
| Width | 550 mm | 500 mm | +50 mm |
| Depth | 400 mm | 550 mm | −150 mm |
| Weight | 11 kg | 7 kg | +4 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is i3 MK3S better than MK4?
i3 MK3S has no measurable advantages in this pair.
Why is MK4 better than i3 MK3S?
- Build volume11 L vs 11.6 L+5%
- EthernetNo · i3 MK3S: Yes
- Build height (Z)210 mm vs 220 mm+5%
- Weight11 kg vs 7 kg+57%
Specifications
Side by side
| General | ||
| Technology | FDM / FFF (filament) | — |
| Delivered as | Kit | — |
| Build volume | ||
| Build width (X) | 250 mm | 250 mm |
| Build depth (Y) | 210 mm | 210 mm |
| Build height (Z) | 210 mm | 220 mm |
| Build volume | 11 L | 11.6 L |
| Extruder & hotend | ||
| Default nozzle | 0.4 mm | 0.4 mm |
| Filament diameter | 1.75 mm | 1.75 mm |
| Supported materials | — | PETG, PVA, ASA, PLA, Nylon, ABS |
| Number of supported materials | — | 6 |
| Engineering materials (PA, PC, CF) | — | Yes |
| Connectivity & control | ||
| Connectivity | SD card | Ethernet, USB |
| Wi-Fi | No | No |
| Ethernet | No | Yes |
| USB | No | Yes |
| SD card | Yes | No |
| Bluetooth | No | No |
| Touchscreen | — | No |
| Size & power | ||
| Width | 550 mm | 500 mm |
| Depth | 400 mm | 550 mm |
| Height | 500 mm | 400 mm |
| Weight | 11 kg | 7 kg |
