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  3. T-REX vs MK4

Bresser T-REX vs Prusa MK4

What T-REX does better (2) and where MK4 wins (8) — every spec side by side.

Bresser T-REX
Bresser · 2021T-REX
2 advantages≈ $860
vs
Prusa MK4
Prusa · 2023MK4
8 advantages≈ $810
2.6Build volume4.0
Dimensions

Size comparison

T-REXMK4
560 × 500415500 × 400550
T-REXMK4Difference
Height500 mm400 mm+100 mm
Width560 mm500 mm+60 mm
Depth415 mm550 mm−135 mm
Weight14.8 kg7 kg+7.8 kg

Drawn to the same scale from the official dimensions (front and side).

Why is T-REX better than MK4?

  1. Wi-FiYes · MK4: No
  2. TouchscreenYes · MK4: No

Why is MK4 better than T-REX?

  1. Build volume5 L vs 11.6 L2.3×
  2. Engineering materials (PA, PC, CF)No · T-REX: Yes
  3. Build height (Z)150 mm vs 220 mm+47%
  4. Number of supported materials2 vs 63×
  5. Weight14.8 kg vs 7 kg2.1×
  6. EthernetNo · T-REX: Yes
  7. Build depth (Y)148 mm vs 210 mm+42%
  8. Build width (X)227 mm vs 250 mm+10%
Specifications

Side by side

Prusa MK4Prusa MK4≈ $810
General
TechnologyFDM / FFF (filament)—
Build volume
Build width (X)227 mm250 mm
Build depth (Y)148 mm210 mm
Build height (Z)150 mm220 mm
Build volume5 L11.6 L
Extruder & hotend
Default nozzle0.4 mm0.4 mm
Filament diameter1.75 mm1.75 mm
Supported materialsPLA, ABSPETG, PVA, ASA, PLA, Nylon, ABS
Number of supported materials26
Engineering materials (PA, PC, CF)NoYes
Print bed
Heated bedYes—
Connectivity & control
ConnectivityWi-Fi, USB, SD cardEthernet, USB
Wi-FiYesNo
EthernetNoYes
USBYesYes
SD cardYesNo
BluetoothNoNo
TouchscreenYesNo
Size & power
Width560 mm500 mm
Depth415 mm550 mm
Height500 mm400 mm
Weight14.8 kg7 kg
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