3D Printing InfoPrinter comparison
Bambu Lab A1 vs Bambu Lab P1P
Compare hardware, build volume, printing specifications, dated prices and sources.
2 selected · all documented properties
Open these two in the interactive comparisonMore Bambu Lab A1 comparisonsMore Bambu Lab P1P comparisons
| Property | Bambu Lab A1BEDSLINGER | Bambu Lab P1PCOREXY |
|---|---|---|
| Identity | ||
| Brand | Bambu Lab | Bambu Lab |
| Class | BEDSLINGER | COREXY |
| Identity & Market | ||
| Manufacturer & exact marketed model name (verify the exact product identity first) | Bambu Lab A1. Store title: "Bambu Lab A1 3D Printer"; spec page header "Bambu Lab A1 - Technical Specifications"[1] | Bambu Lab P1P. Bambu documents it alongside the P1S in a single two-column parameters table[2] |
| Release date (announcement and actual shipping) | Announced and first shipped in the northern autumn/winter of 2023. Bambu Lab's own recall notice states A1 units were supplied from 1 December 2023; Tom's Hardware published its A1 review on 14 December 2023, so retail units were in reviewers' hands by then[3][4] | Not documented |
| Street price (USD; dated snapshot per entry) | From $299.00 (base A1) on the Bambu Lab US store, Aug 2026, during an advertised Back-to-School sale; the A1 product page shows $399.00 with the A1 Combo (A1 + AMS lite) swatch selected[5][6] | Not documented |
| Variants & sibling models — and how to tell them apart (spec-contamination risk) | Two SKUs on one product page: A1 (printer only) and A1 Combo (adds the AMS lite four-spool unit); the printer hardware is identical. Do NOT confuse with the A1 mini (180 mm cube, single Z leadscrew, 80 C bed, 2.4-in screen) or the newer A2L (330x320x325 mm). Contamination example found in the wild: Tom's Hardware's A1 review spec box prints a 2.4-inch screen and a 385x410x430 mm footprint (both A1 mini figures) and titles a section "Included in the box: Bambu Lab A1 Mini", while Bambu's own A1 spec sheet says 3.5-inch screen and 465x410x430 mm[1][4][6] | P1P is the open-frame version; the P1S is the same motion platform in an enclosure with plastic and glass panels. Bambu's own comparison table shows what the P1P lacks: control-board fan, chamber temperature regulator fan, auxiliary part-cooling fan and air filter are all listed "Optional" on the P1P and "Closed Loop Control"/"Activated Carbon Filter" on the P1S. The P1P is also lighter, 9.65 kg vs 12.95 kg, and 386 mm deep vs 389 mm. A P1P Enclosure Kit is sold as a spare part. Filament support differs accordingly: ABS/ASA are "Capable" on the P1P but "Ideal" on the P1S[2] |
| Market position: superseded? successor announced? | Still sold new in Aug 2026 alongside the newer and larger A2L ($469 base), which Bambu positions as the mega-size A-series machine[5][7] | Superseded. No longer listed in the Bambu Lab US store 3D-printer collection in Aug 2026 (the collection carries A1, A1 mini, A2L, P1S, P2S, X2D, H2S, H2D, H2C); /products/p1p redirects to the collection page and only P1P spare parts remain in the store sitemap. No live first-party price could therefore be recorded[5][2] |
| Physical & Frame | ||
| Build volume X×Y×Z (mm) — advertised vs actually usable | 256 x 256 x 256 mm (manufacturer figure)[1] | 256 x 256 x 256 mm advertised. Bambu's own footnote limits the default printable height in Bambu Studio to 250 mm to avoid heatbed collisions, and warns that the collapsible filament-cutter stopper takes part of the printing area when popped out[2] |
| Machine footprint (mm) & clearance needed (cable/spool overhang) | 465 x 410 x 430 mm per Bambu's own tech-spec sheet. Tom's Hardware's spec box prints 385 x 410 x 430 mm for the same machine - that is the A1 mini's width, treat Bambu's figure as authoritative. Add clearance behind for Y-axis bed travel and above for the spool[1][4] | 386 x 389 x 458 mm (P1P). Bambu prints P1P and P1S dimensions in the same cell - the P1S is 389 x 389 x 458 mm[2] |
| Net weight (kg) | 8.3 kg net[1] | 9.65 kg net, 14.30 kg gross[2] |
| Frame construction & material | Steel plus extruded aluminium chassis; Bambu markets all-metal rails and a cover-protected drive system[1][8] | Open frame; Bambu offers printable mod-plates for the side panels[2] |
| Enclosure: open / enclosed; panel material; door/lid | Open frame, no enclosure or door; no official enclosure is sold for the A1[1] | Open frame. An official P1P Enclosure Kit exists as a spare part, and the enclosed version of the same platform is sold as the P1S[2][5] |
| Kinematics & Motion Hardware | ||
| Kinematics (bedslinger i3 / CoreXY / other) | Cartesian bed-slinger: toolhead moves in X on the gantry beam, heatbed moves in Y, gantry moves in Z. Bambu's own wiki calls it a Cartesian coordinate motion system; Bambu's marketing page describes it as a "Bed Slinger with CoreXY Speed", which is a comparison, not a kinematic claim[9][8] | CoreXY driven by two stepper motors, each with its own belt to the printhead. Bambu's wiki states the P1P and P1S share the same motion system[10] |
| X-axis guide type (rods / linear rails / V-wheels; size) | Linear rail: "a high-precision linear rail and a beam", toolhead on a linear guide slider (Bambu wiki). Rail size not published[9] | Not documented |
| Y-axis guide type | Linear rail: heatbed mounted on a guide-rail slider, belt-driven in Y[9] | Not documented |
| Z-axis: leadscrew count & type, sync mechanism, anti-backlash | Dual linear rods plus dual leadscrews with nuts, both leadscrews driven from one stepper through a synchronous belt with a quick tensioner and a tension-detection algorithm[9] | Three leadscrews driven from a single stepper motor through a belt; the whole bed drops in Z. There is no motorised Z-tilt - bed tramming is by three manual knobs under the bed[10] |
| Belts (type, width, e.g. Gates?) | Three adjustable belt tensioners (X, Y, Z); a Belt Tension Monitor watches tension and reports out-of-range belts[9] | Adjustable belt tensioners at the rear; a Belt Tension Monitor reports when tension drifts out of range[10] |
| Stepper drivers (exact model e.g. TMC2209; UART/SPI; sensorless homing?) | Not published. Bambu's wiki says only that the mainboard "incorporates stepper motor drivers"; no driver part number is given and no teardown source was found that names one[9] | Not documented |
| Speed & Acceleration | ||
| Max print speed (claimed, mm/s) | 500 mm/s max toolhead speed (manufacturer claim); no independent measurement found[1] | 500 mm/s max toolhead speed (manufacturer claim); no independent measurement found[2] |
| Max acceleration (claimed, mm/s²) | 10000 mm/s2 max toolhead acceleration (manufacturer claim). Tom's Hardware notes the moving-bed mass is why the A1 does not reach the P1S/X1 20000 mm/s2 figure[1][4] | 20 m/s2 = 20000 mm/s2 max toolhead acceleration (manufacturer claim)[2] |
| Max volumetric flow claimed (mm³/s) | 28 mm3/s claimed, measured by Bambu on a 150x150 mm single-wall model in Bambu ABS at 280 C[1] | Not documented |
| Extruder | ||
| Type (direct drive / bowden) & design name | Direct drive, hardened-steel extruder gears, integrated in the toolhead with a filament cutter and filament hub[1][9] | Direct drive; Bambu sells a "Stainless Steel Extruder Unit (P1 series)" as the service part[10] |
| Hotend & Nozzle | ||
| Hotend design (proprietary/standard; quick-swap mechanism?) | All-metal integrated hotend (nozzle and heatsink combined in one unit) with a quick-swap clip - Bambu markets it as popping in and out with one clip. Stainless-steel nozzle, 0.4 mm included, 0.2/0.6/0.8 mm optional[1][8][9] | All-metal all-in-one hotend: the nozzle is integrated into the heatblock and joined to the heatsink by a thin metal tube, so the hotend is replaced as a unit. 0.4 mm stainless-steel nozzle included; 0.2/0.6/0.8 mm optional[2][10] |
| Max nozzle temp claimed AND firmware max temp limit (both values) | 300 C claimed max hot-end temperature; firmware limit not published[1] | 300 C claimed max hot-end temperature[2] |
| Heated Bed & Surface | ||
| Max bed temp claimed AND firmware limit | 100 C max build-plate temperature (both the spec sheet and the wiki give 100 C)[1][9] | 100 C max build-plate temperature[2] |
| Bed surface (material, texture, coating), single/double-sided | Textured PEI plate included; Bambu Cool Plate, High Temperature Plate and Dual-Texture PEI Plate also compatible[1] | Textured PEI plate; Cool Plate, Engineering Plate and High Temperature Plate compatible[2] |
| Leveling & Z-Offset | ||
| Auto bed leveling: probe technology (inductive / strain gauge / load cell / touch probe) | Nozzle-touch probing: the hotend carries an eddy-current sensor that detects nozzle-to-bed contact, giving both automatic bed mesh and automatic Z-offset with no paper method. The same eddy-current sensor doubles as the Y-axis resonance sensor[9][4] | Nozzle-touch probing against three ceramic force (piezo) sensors under the heatbed: Z homing works by detecting the force of the nozzle contacting the heatbed. Three manual levelling knobs are also fitted[11][10] |
| Filament Handling & Detection | ||
| Filament runout sensor (type, location) | Yes - filament run-out sensor, plus filament odometry and a filament-tangle sensor. The tangle sensor is a Hall sensor reading a magnet in the toolhead filament hub: excessive feed resistance pulls the hub down, moving the magnet toward the sensor[1][9] | Yes - filament run-out sensor[2] |
| Multi-material/multi-color capability or official upgrade path | Optional AMS lite (four spools, sold in the A1 Combo); connecting the enclosed-printer AMS / AMS 2 Pro / AMS HT to an A1 additionally requires an AMS HUB accessory (SA013)[6] | Compatible with AMS and the AMS hub, up to 16 colours with four AMS units[10] |
| Cooling & Air Handling | ||
| Part-cooling fan(s): count, size, ducting design | One custom 5015 centrifugal part-cooling fan with two opposing air outlets aimed at the nozzle; closed-loop (RPM-feedback) control[1][9] | Part-cooling fan fitted; the control-board fan, chamber temperature regulator fan and auxiliary part-cooling fan that the P1S has under closed-loop control are all listed as Optional on the P1P[2] |
| Electronics & Power | ||
| Mainboard model & MCU (exact chip markings if teardowns exist) | Single mainboard carrying a low-power dual-core SoC (with Wi-Fi and Bluetooth basebands and RF), a dual-core MCU and a single-core MCU, plus the stepper drivers. Bambu's spec sheet names the motion controller as a dual-core Cortex-M4. Exact chip markings not published[1] | Not documented |
| Total rated power draw | 100-240 VAC 50/60 Hz; max power 1300 W at 220 V, 350 W at 110 V. Bed heater wattage is not published separately[1] | Not documented |
| 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[12] | 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[12] |
| Connectivity, UI & Camera | ||
| Display: size, type, touch? | 3.5-inch 320x240 IPS touchscreen[1] | 2.7-inch 192x64 monochrome screen, not a touchscreen - control is by button, app or PC application[10] |
| On-device UI capabilities (model preview, per-object controls, etc.) | Touchscreen UI plus Bambu Handy mobile app and Bambu Studio PC application; Bambu describes the on-device UI as a simplified guided touchscreen system[1][8] | Button-driven on-device UI on a 192x64 monochrome panel; most interaction is expected to happen in Bambu Studio or Bambu Handy[10] |
| WiFi (band/standard), Ethernet, USB ports, SD/flash-drive | Wi-Fi 2.4 GHz only (IEEE 802.11 b/g/n, 2412-2472 MHz), Bambu-Bus for the AMS lite, microSD card slot. No Ethernet, no USB host port[1] | Wi-Fi, Bluetooth and Bambu-Bus; microSD card storage; 5 V/1.5 A USB output power[10] |
| Camera: built-in / optional? Resolution & framerate (verify — marketing often omits real fps) | Built-in low-rate monitoring camera, up to 1080p, timelapse supported; Bambu's marketing calls out a physical lens cover. Frame rate is not stated for the A1 (the P1 series camera is specified at 0.5 fps)[1][8] | Low-rate chamber monitoring camera, 1280x720 at 0.5 fps, timelapse supported - the 0.5 fps figure is Bambu's own and is far below video rate[2] |
| Calibration Routines & QoL | ||
| Assembly level & time from unbox to first print | About 95% pre-assembled; a handful of screws attach the gantry to the base, then the filament wiper and spool holder[4] | Not documented |
| Materials Support | ||
| Officially supported filament list | Ideal: PLA, PETG, TPU, PVA. Not recommended: ABS, ASA, PC, PA, PET, carbon/glass-fibre reinforced polymers - the machine is open-frame and the bed stops at 100 C[1] | Ideal: PLA, PETG, TPU, PVA, PET. Capable: PA, PC, ABS, ASA - the open frame is the limiting factor, and the same table upgrades ABS/ASA to Ideal for the enclosed P1S[2] |
| Safety | ||
| Known safety incidents / recalls / fire reports (with sources) | Recalled in the US in cooperation with the CPSC: A1 units sold before 30 January 2024 (serial numbers with 'A' as the sixth digit) could suffer heatbed cable damage leading to a short circuit, electric shock or fire. 19 reports of damaged cables, one with observed sparking, no injuries. Remedy was refund plus $80 voucher, or heatbed+cable replacement by a trained technician plus $120 voucher. Current production ships a Kevlar-reinforced heatbed cable with thicker insulation and extended strain relief[3][6] | Not documented |
| Noise & Power Consumption | ||
| Noise: claimed dB and independently measured dB (distance/method) | Manufacturer claim only: bambulab.com states "Silent Mode Under 48 dB" with active motor noise cancelling; the US store page for both the A1 and the A1 mini carries identical copy claiming "49dB Whisper-Quiet Operation". No microphone-based independent measurement with a stated distance was found; Tom's Hardware only says it is "much more quiet than the current crop of speed freak machines"[8][6][4] | 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[13] | 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[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 (14 December 2023)[4] | 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
- Bambu Lab A1 - Technical Specifications bambulab.com · 2026-08 · vendor
- Bambu Lab P1S store page - 'Parameters Comparison' table giving P1P and P1S in separate columns us.store.bambulab.com · 2026-08 · vendor
- Bambu Lab - Bambu Lab Recalls A1 3D Printers in the US bambulab.com · 2026-08 · vendor
- Tom's Hardware - Bambu Lab A1 Review, Denise Bertacchi, 14 December 2023 tomshardware.com · 2026-08 · review
- Bambu Lab US Store - 3D Printers collection listing (base prices, Aug 2026) us.store.bambulab.com · 2026-08 · vendor
- Bambu Lab A1 store page (A1 / A1 Combo variants) us.store.bambulab.com · 2026-08 · vendor
- Bambu Lab - Compare all 3D printers (A2L / X2D / H2C columns) bambulab.com · 2026-08 · vendor
- Bambu Lab A1 product page bambulab.com · 2026-08 · vendor
- Bambu Lab Wiki - A1 introduction wiki.bambulab.com · 2026-08 · doc
- Bambu Lab Wiki - Introduction to P1 series wiki.bambulab.com · 2026-08 · doc
- Bambu Lab Wiki - Replace the Heatbed Sensor Unit / Heatbed Piezo Interface Board wiki.bambulab.com · 2026-08 · doc
- GitHub - bambulab organisation repository list (11 repos, checked Aug 2026) github.com · 2026-08 · doc
- Bambu Lab Warranty Policy bambulab.com · 2026-08 · vendor