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  3. XL+ vs i-Fast

Prusa XL+ vs QIDI i-Fast

What XL+ does better (5) and where i-Fast wins (1) — every spec side by side.

Prusa XL+
PrusaXL+
6.9Score
5 advantages≈ $3,200
Higher score
vs
QIDI i-Fast
QIDI · 2021i-Fast
4.8Score
1 advantage≈ $1,900
5.9Print quality5.9
7.7Build volume5.5
Dimensions

Size comparison

XL+i-Fast
700 × 720900710 × 670510
XL+i-FastDifference
Height720 mm670 mm+50 mm
Width700 mm710 mm−10 mm
Depth900 mm510 mm+390 mm
Weight27.9 kg33 kg−5.1 kg

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

Why is XL+ better than i-Fast?

  1. Build volume46.7 L vs 26.4 L+77%
  2. Build height (Z)360 mm vs 320 mm+12%
  3. Build depth (Y)360 mm vs 250 mm+44%
  4. Weight27.9 kg vs 33 kg+18%
  5. Build width (X)360 mm vs 330 mm+9%

Why is i-Fast better than XL+?

  1. Max nozzle temperature290 °C vs 350 °C+21%
Specifications

Side by side

Prusa XL+Prusa XL+≈ $3,2006.9
QIDI i-FastQIDI i-Fast≈ $1,9004.8
General
TechnologyFDM / FFF (filament)FDM / FFF (filament)
Motion systemDelta—
Delivered asFully assembled—
Build volume
Build width (X)360 mm330 mm
Build depth (Y)360 mm250 mm
Build height (Z)360 mm320 mm
Build volume46.7 L26.4 L
Speed
Max print speed—150 mm/s
Print quality
Finest layer height0.05 mm0.05 mm
Automatic bed levellingYes—
Extruder & hotend
Max nozzle temperature290 °C350 °C
Direct-drive extruderYes—
Default nozzle0.4 mm0.4 mm
Toolheads5—
Nozzles—2
Filament diameter1.75 mm—
Supported materialsPLA, PETG, Flex, PVA, PC, PP, CPE, ASA, HIPS—
Number of supported materials9—
Engineering materials (PA, PC, CF)Yes—
Multi-colour
Multi-colour printingYes—
Max colours / materials5—
Multi-colour systemtoolchanger—
Print bed
Heated bedYes—
Max bed temperature120 °C—
Enclosure
Actively heated chamberNo—
Connectivity & control
ConnectivityEthernet, USB, Wi-Fi, NFCWi-Fi, Ethernet, USB
Wi-FiYesYes
EthernetYesYes
USBYesYes
NFC (filament / setup)Yes—
App controlYes—
Screen size3.5″—
Features
Filament runout sensorYes—
Size & power
Width700 mm710 mm
Depth900 mm510 mm
Height720 mm670 mm
Weight27.9 kg33 kg
Rated power120 W700 W
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