3D Printing Info

Printer comparison

Bambu Lab A1 mini vs ELEGOO Centauri 2 Combo

Compare hardware, build volume, printing specifications, dated prices and sources.

2 selected · all documented properties

Bambu Lab A1 mini vs ELEGOO Centauri 2 Combo — documented properties and sources
PropertyBambu Lab A1 miniBEDSLINGERELEGOO Centauri 2 ComboCOREXY
Identity
BrandBambu LabELEGOO
ClassBEDSLINGERCOREXY
Identity & Market
Manufacturer & exact marketed model name (verify the exact product identity first)Bambu Lab A1 mini. Store title: "Bambu Lab A1 mini 3D Printer"[1]ELEGOO Centauri 2 Combo - the Centauri 2 sold with the CANVAS multicolour unit[2]
Release date (announcement and actual shipping)Shipped in the second half of 2023; Tom's Hardware published its A1 mini review on 13 October 2023, ahead of the full-size A1 review of 14 December 2023[3][4]Not documented
Street price (USD; dated snapshot per entry)From $219.00 (base A1 mini) on the Bambu Lab US store, Aug 2026, during an advertised Back-to-School sale; the product page lists A1 mini and A1 mini Combo variants[5][6]Not documented
Variants & sibling models — and how to tell them apart (spec-contamination risk)Two SKUs: A1 mini and A1 mini Combo (adds the AMS lite). Distinguish from the full-size A1 by build volume (180 vs 256 mm cube), bed ceiling (80 vs 100 C), screen (2.4 vs 3.5 inch), Z drive (single leadscrew with a coupling vs dual leadscrews belt-synced) and weight (5.5 vs 8.3 kg)[1][7][8][9]Same printer as the bare Centauri 2 for every motion, hotend, bed and electronics figure; what the Combo adds is 4-colour CANVAS printing, RFID filament detection, auto refill and auto tangle detection, and what it costs is bench space - 500 x 480 x 586 mm and 15.5 kg against 398 x 404 x 490 mm and 13.7 kg. Camera, LED lighting and air filter remain optional expansions on both[2]
Market position: superseded? successor announced?Still the entry model in the Bambu Lab US store line-up in Aug 2026 and the cheapest machine listed[5]Not documented
Physical & Frame
Build volume X×Y×Z (mm) — advertised vs actually usable180 x 180 x 180 mm (manufacturer figure)[1]256 x 256 x 256 mm; printing platform 260 x 260 mm[2]
Machine footprint (mm) & clearance needed (cable/spool overhang)347 x 315 x 365 mm (Bambu tech specs; Tom's Hardware prints 347 x 314 x 365 mm)[1][3]500 x 480 x 586 mm with the CANVAS unit fitted[2]
Net weight (kg)5.5 kg net[1]15.5 kg net, 19 kg gross[2]
Frame construction & materialSteel plus extruded aluminium chassis[1]Rigid aluminium frame (Centauri 2 platform)[2]
Enclosure: open / enclosed; panel material; door/lidOpen frame, no enclosure[1]Not documented
Kinematics & Motion Hardware
Kinematics (bedslinger i3 / CoreXY / other)Cartesian bed-slinger: toolhead on an X guide rail and crossbeam, print platform moving in Y on a guide rail, toolhead carried in Z[8]CoreXY with dual 4260 stepper motors[2]
X-axis guide type (rods / linear rails / V-wheels; size)Horizontal linear guide rail with the printhead on a sliding block; rail size not published[8]Not documented
Y-axis guide typeHorizontal linear guide rail carrying the print platform, belt-driven in Y[8]Not documented
Z-axis: leadscrew count & type, sync mechanism, anti-backlashSingle leadscrew with nut, coupling and stepper motor - the motor drives the leadscrew directly through the coupling. This is the clearest hardware difference from the A1, which uses two leadscrews synchronised by a belt[8][9]Three lead screws with three linear guide rods[2]
Speed & Acceleration
Max print speed (claimed, mm/s)500 mm/s max toolhead speed (manufacturer claim); no independent measurement found[1]500 mm/s or less, recommended 250 mm/s[2]
Recommended/typical print speedNot documented250 mm/s recommended printing speed[2]
Max acceleration (claimed, mm/s²)10000 mm/s2 max toolhead acceleration (manufacturer claim)[1]20000 mm/s2 maximum acceleration; default 10000 mm/s2[2]
Max volumetric flow claimed (mm³/s)28 mm3/s claimed on a 150x150 mm single-wall model in Bambu ABS at 280 C - note this is the ABS figure quoted for a machine whose own spec sheet lists ABS as not recommended[1]Not documented
Extruder
Type (direct drive / bowden) & design nameDirect drive with hardened-steel extruder gears; toolhead also holds the cutter unit, filament hub and filament sensor[1][8]Dual-gear direct extruder with one fan[2]
Hotend & Nozzle
Hotend design (proprietary/standard; quick-swap mechanism?)All-metal integrated hotend (nozzle plus heatsink in one unit), quick-swap; stainless-steel nozzle, 0.4 mm included, 0.2/0.6/0.8 mm optional[1][8]Brass-hardened steel nozzle, 0.4 mm, titanium-alloy heat break[2]
Max nozzle temp claimed AND firmware max temp limit (both values)300 C claimed max hot-end temperature[1]350 C claimed max nozzle temperature[2]
Heated Bed & Surface
Max bed temp claimed AND firmware limit80 C max build-plate temperature - the lowest of the current Bambu range, and the reason ABS/ASA are listed as not recommended[1][8]110 C max heated bed temperature at 25 C ambient[2]
Bed surface (material, texture, coating), single/double-sidedTextured PEI plate; Smooth PEI and Dual-Texture PEI plates also compatible[1]Not documented
Leveling & Z-Offset
Auto bed leveling: probe technology (inductive / strain gauge / load cell / touch probe)Nozzle-touch automatic bed levelling and automatic Z-offset; Tom's Hardware confirms the nozzle itself is the probe[3][8]121-point auto-levelling plus partial bed levelling[2]
Filament Handling & Detection
Filament runout sensor (type, location)Yes - run-out sensor, filament odometry and filament-tangle sensor[1]Filament run-out sensor, clog detection, auto tangle detection, RFID filament detection, auto refill, auto filament unloading and power-loss recovery[2]
Multi-material/multi-color capability or official upgrade pathOptional AMS lite (A1 mini Combo); AMS / AMS 2 Pro / AMS HT need an AMS HUB (SA013) accessory[6]CANVAS four-colour printing with RFID filament identification and automatic refill - the defining difference from the bare Centauri 2[2]
Cooling & Air Handling
Part-cooling fan(s): count, size, ducting designOne custom 5015 centrifugal part-cooling fan with two opposing outlets; closed-loop control. A separate MC board cooling fan is also fitted[1][8]Not documented
Electronics & Power
Mainboard model & MCU (exact chip markings if teardowns exist)Bambu names the motion controller as a dual-core Cortex-M4; no board model or chip markings published[1]"Powerful Self-Developed Motherboard"[2]
Total rated power draw100-240 VAC 50/60 Hz; max power 150 W for the whole machine. Bed heater wattage is not published separately[1]1100 W at 220 V, 350 W at 110 V rated[2]
Firmware & Openness
Firmware base & current version (Klipper fork / Marlin fork / proprietary)Closed-source proprietary firmware - not a Klipper or Marlin derivative, and no printer-firmware source is published. The bambulab GitHub organisation carries 11 repositories (Bambu Studio, wxWidgets/boost/ffmpeg forks, the wiki); none is printer firmware. Updates are delivered over the air via Bambu Studio / Bambu Handy[10]ELEGOO OS; ElegooSlicer recommended[2]
Connectivity, UI & Camera
Display: size, type, touch?2.4-inch 320x240 IPS touchscreen[1]5-inch colour capacitive touch screen[2]
On-device UI capabilities (model preview, per-object controls, etc.)Touchscreen plus Bambu Handy app and Bambu Studio PC application[1]Colour touch UI; STL, OBJ, 3MF and STEP input[2]
WiFi (band/standard), Ethernet, USB ports, SD/flash-driveWi-Fi 2.4 GHz only (802.11 b/g/n), Bambu-Bus, microSD card. No Ethernet, no USB host[1]USB and Wi-Fi[2]
Camera: built-in / optional? Resolution & framerate (verify — marketing often omits real fps)Built-in low-rate camera, up to 1080p, timelapse supported[1]Not documented
Calibration Routines & QoL
Assembly level & time from unbox to first printArrives mostly pre-assembled - only the filament wiper, spool holder and Bowden tubes to fit[3]Not documented
Materials Support
Officially supported filament listIdeal: PLA, PETG, TPU, PVA. Not recommended: ABS, ASA, PC, PA, PET and fibre-reinforced polymers[1]Ideal: PLA, PETG, PLA-CF, TPU. Not recommended: ABS/ABS-CF, ASA/ASA-CF, PET/PET-CF, PETG-CF, PA/PA-CF, PC[2]
Noise & Power Consumption
Noise: claimed dB and independently measured dB (distance/method)Manufacturer claim only: the US store page claims "49dB Whisper-Quiet Operation" - the identical sentence appears on the A1 page, so treat it as line-level marketing copy rather than a per-model measurement. No independent dB measurement with a stated distance was found[6][11]Not documented
Reliability, Support & Ecosystem
Warranty length & support reputation (evidence, not vibes)2-year limited warranty for consumers in the US, Canada, the EU, Switzerland, Norway and Iceland; 1 year in the rest of the world. Bambu Lab's own policy records the US/Canada term as a 2026 extension from one year to two[12]12 months on brand-new machines and parts, but ELEGOO's own table excludes a long list of parts from that: PEI plate / build plate / nozzle kit / PTFE tube / heater / thermistor / hot end / packaging / manual / tools carry no warranty at all, and the extruder, extruder kit and printhead kit get 6 months. Certified pre-owned machines carry no warranty[13]
Independently Measured Performance
Review scores from major outlets (list outlet + score + date)Tom's Hardware: Editor's Choice, rating 4.5 out of 5 in the page's structured data (13 October 2023)[3]Not documented

Manufacturer claims, independent measurements, packages and test conditions retain their source wording. FDM linear speed and resin vertical speed use different units and are not directly comparable. Unknown values are marked “Not documented”. Prices and source dates remain historical snapshots; check the linked guide for product details. Differences highlight text, not a universal winner.

Sources for this comparison

  1. Bambu Lab A1 mini - Technical Specifications bambulab.com · 2026-08 · vendor
  2. ELEGOO Centauri 2 product page (Centauri 2 Combo vs Centauri 2 side-by-side specification table) us.elegoo.com · 2026-08 · vendor
  3. Tom's Hardware - Bambu Lab A1 Mini Review, 13 October 2023 tomshardware.com · 2026-08 · review
  4. Tom's Hardware - Bambu Lab A1 Review, Denise Bertacchi, 14 December 2023 tomshardware.com · 2026-08 · review
  5. Bambu Lab US Store - 3D Printers collection listing (base prices, Aug 2026) us.store.bambulab.com · 2026-08 · vendor
  6. Bambu Lab A1 mini store page (A1 mini / A1 mini Combo variants) us.store.bambulab.com · 2026-08 · vendor
  7. Bambu Lab A1 - Technical Specifications bambulab.com · 2026-08 · vendor
  8. Bambu Lab Wiki - A1 mini introduction wiki.bambulab.com · 2026-08 · doc
  9. Bambu Lab Wiki - A1 introduction wiki.bambulab.com · 2026-08 · doc
  10. GitHub - bambulab organisation repository list (11 repos, checked Aug 2026) github.com · 2026-08 · doc
  11. Bambu Lab A1 store page (A1 / A1 Combo variants) us.store.bambulab.com · 2026-08 · vendor
  12. Bambu Lab Warranty Policy bambulab.com · 2026-08 · vendor
  13. ELEGOO Refund & Warranty policy (warranty period table) us.elegoo.com · 2026-08 · vendor