3D Printing Info

Printer comparison

Bambu Lab X1-Carbon vs UltiMaker S8

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

2 selected · all documented properties

Bambu Lab X1-Carbon vs UltiMaker S8 — documented properties and sources
PropertyBambu Lab X1-CarbonCOREXYUltiMaker S8INDUSTRIAL
Identity
BrandBambu LabUltiMaker
ClassCOREXYINDUSTRIAL
Identity & Market
Manufacturer & exact marketed model name (verify the exact product identity first)Bambu Lab X1-Carbon (X1C); spec PDF header "Bambu Lab X1-Carbon - Technical Specifications"[1]UltiMaker S8 3D Printer[2][3]
Release date (announcement and actual shipping)Announced 23 May 2022; Kickstarter pre-orders opened 31 May 2022 and ran to 30 June 2022, with shipment stated to start immediately after the campaign closed in July 2022[4]Launched March 2025; the technical-specification and pricing announcement is dated 14 March 2025[3]
Launch MSRP (USD)$1199 MSRP for the X1-Carbon, $1449 for the X1-Carbon Combo (with AMS); Kickstarter early-bird was $849 / $999. The non-carbon X1 was $999 MSRP[4]Not documented
Street price (USD; dated snapshot per entry)Not documentedStarting at $8,999 at MatterHackers, in stock, checked Aug 2026. The launch announcement quoted approximately $9,000[2][3]
Variants & sibling models — and how to tell them apart (spec-contamination risk)Three related SKUs at launch: X1 (steel nozzle, no carbon rails, $999), X1-Carbon ($1199) and X1-Carbon Combo (X1C + AMS, $1449). The X1E is a separate business-focused machine, not a trim level: it adds active chamber heating to 60 C, Ethernet with 802.1X, a HEPA/carbon filter stack, a 320 C hot end and a Smooth PEI plate, and weighs 16 kg against the X1C's 14.13 kg[4][5][1]Sold as printer-only or as a Pro Bundle. The bundle is not a trim level but a different machine footprint and weight: 495 x 500 x 1210.5 mm and 47.7 kg with the 6-spool Material Station, versus 495 x 585 x 800.5 mm and 30 kg for the printer alone. Print cores AA+ 0.40 x2 are included; BB, CC+ and DD 0.40 are separate purchases[2][3]
Market position: superseded? successor announced?Discontinued. In Aug 2026 the X1-Carbon is absent from the Bambu Lab US store 3D-printer collection, /products/x1-carbon redirects to that collection, and the regional stores (EU, Asia, AU, CA) redirect to the same place; only X1-series spare parts remain in the store sitemap. Its market slot is now held by the X2D. No live first-party price could be recorded[6]Not documented
Physical & Frame
Build volume X×Y×Z (mm) — advertised vs actually usable256 x 256 x 256 mm advertised (manufacturer figure)[1]330 x 240 x 300 mm[2][3]
Machine footprint (mm) & clearance needed (cable/spool overhang)389 x 389 x 457 mm[1]495 x 585 x 800.5 mm printer only; 495 x 500 x 1210.5 mm as the Pro Bundle[2][3]
Net weight (kg)14.13 kg net[1]30 kg printer only; 47.7 kg as the Pro Bundle[2][3]
Frame construction & materialWelded steel chassis with an aluminium and glass shell - Bambu's launch release contrasts the welded chassis with the bolted frames of most consumer machines[1][4]Fully assembled, made in Europe[2]
Enclosure: open / enclosed; panel material; door/lidFully enclosed, aluminium and glass, with a door sensor and an activated-carbon air filter. No active chamber heating (that is the X1E's addition)[1][5]Enclosed, with an Air Manager UltiMaker says removes up to 95% of ultrafine particles[2][3]
Passive chamber temperature reached (if enclosed; measured values preferred)Not documentedBuild-volume temperature under 50 °C with open-loop control (manufacturer figure)[2][3]
Kinematics & Motion Hardware
Kinematics (bedslinger i3 / CoreXY / other)CoreXY driven by two stepper motors with one belt each; Tom's Hardware confirms the XY gantry is fixed in Z and the platform drops during printing[7][8]Dual-extrusion print head with auto nozzle-lifting, flood detection and inductive probing. UltiMaker's Cheetah motion planner uses third-order continuous motion with corner blending[2][3]
X-axis guide type (rods / linear rails / V-wheels; size)Carbon-fibre X rail - Bambu's launch release calls it a "featherlight full-carbon X rail" and credits it for the 20000 mm/s2 acceleration figure; Tom's Hardware describes carbon-fibre rails on the X axis[4][8]Not documented
Z-axis: leadscrew count & type, sync mechanism, anti-backlashThree leadscrews driven from a single stepper motor through a belt, moving the whole bed in Z; three manual levelling knobs under the bed, no motorised Z-tilt[7][8]Not documented
Stepper drivers (exact model e.g. TMC2209; UART/SPI; sensorless homing?)Not published; no teardown source found that names the driver part[1]Not documented
Speed & Acceleration
Max print speed (claimed, mm/s)500 mm/s max toolhead speed (manufacturer claim); no independent measurement found[1]Up to 500 mm/s in XY (manufacturer claim)[2][3]
Max acceleration (claimed, mm/s²)20 m/s2 = 20000 mm/s2 max toolhead acceleration (manufacturer claim)[1]Up to 50,000 mm/s2 (manufacturer claim)[2][3]
Jerk / square-corner-velocity setting (exact value)Not documentedJerk up to 100,000,000 mm/s3 (manufacturer claim)[2][3]
Max volumetric flow claimed (mm³/s)32 mm3/s claimed, measured by Bambu on a 150x150 mm single-wall model in Bambu ABS at 280 C[1]Up to 35 mm3/s extrusion flow (manufacturer claim)[2][3]
Extruder
Type (direct drive / bowden) & design nameDirect drive with hardened-steel extruder gears; the service part is the "Hardened Steel Extruder Unit (X1 series)"[1]Dual gripper feeder with tension adjustment, release function and filament feed-rate control[2][3]
Filament diameterNot documented2.85 mm[2][3]
Hotend & Nozzle
Hotend design (proprietary/standard; quick-swap mechanism?)All-metal all-in-one hotend - nozzle integrated into the heatblock, joined to the heatsink by a thin metal tube, replaced as a unit. Hardened-steel nozzle as standard, 0.4 mm included, 0.2/0.6/0.8 mm optional[1][7]Swappable print cores; AA+ 0.40 x2 included, BB 0.40 / CC+ 0.40 / DD 0.40 sold separately[2][3]
Max nozzle temp claimed AND firmware max temp limit (both values)300 C claimed max hot-end temperature[1]Up to 340 °C (manufacturer claim)[2][3]
Heater cartridge power (W)Not published. Bambu's own X1-series troubleshooting page states the ceramic heater measures about 12 ohm at room temperature, which at the 24 V rail works out to roughly 48 W - a derived figure, not a manufacturer rating[9]Not documented
Heated Bed & Surface
Max bed temp claimed AND firmware limit110 C at 220 V, 120 C at 110 V max build-plate temperature (Bambu's spec sheet gives both; the wiki text quotes 110 C)[1][7]Up to 120 °C on a flexible PEI plate (manufacturer claim)[2][3]
Bed surface (material, texture, coating), single/double-sidedFlexible steel plate; Cool Plate and Engineering Plate included, High Temperature Plate optional[1]Flexible PEI plate[2][3]
Leveling & Z-Offset
Auto bed leveling: probe technology (inductive / strain gauge / load cell / touch probe)Nozzle-touch probing on three ceramic force (piezo) sensors under the heatbed, plus a separate toolhead micro-lidar (advertised 7 um resolution) used for first-layer inspection and flow calibration rather than for bed mesh[10][8][1]Inductive probing, integrated into the print head[2][3]
Filament Handling & Detection
Filament runout sensor (type, location)Yes - filament run-out sensor and door sensor; filament odometry only with an AMS fitted[1]Not documented
Spool holder location & max spool size; drybox compatibilityNot documentedDual spool holder with NFC recognition on the printer; the Pro Bundle substitutes a 6-spool Material Station with NFC and a dual-geared abrasion-resistant feeder[2][3]
Cooling & Air Handling
Part-cooling fan(s): count, size, ducting designPart-cooling fan, hot-end fan, control-board fan, chamber temperature regulator fan and auxiliary part-cooling fan, all closed-loop controlled[1]Not documented
Chamber/exhaust fan & filtration (activated carbon / HEPA)Chamber temperature regulator fan plus an activated-carbon filter[1]Air Manager, which UltiMaker says removes up to 95% of ultrafine particles[2][3]
Electronics & Power
Mainboard model & MCU (exact chip markings if teardowns exist)Motion controller dual-core Cortex-M4; application processor quad ARM A7 at 1.2 GHz with a 2 TOPS NPU; 4 GB eMMC. Board model and chip markings not published[1]Not documented
Total rated power draw100-240 VAC 50-60 Hz; 1000 W at 220 V, 350 W at 110 V[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[11]Not published; print preparation is UltiMaker Cura 5.10 or newer, fleet management via UltiMaker Digital Factory[2][3]
Connectivity, UI & Camera
Display: size, type, touch?5-inch 1280x720 touchscreen[1]Not documented
On-device UI capabilities (model preview, per-object controls, etc.)Touchscreen plus Bambu Handy app and Bambu Studio; on-device job control and monitoring[1]Not documented
WiFi (band/standard), Ethernet, USB ports, SD/flash-driveWi-Fi 2.4 GHz (802.11 b/g/n) and Bambu-Bus; 4 GB eMMC plus a microSD card reader. No Ethernet - that is the X1E's addition[1][5]Wi-Fi 2.4 and 5 GHz (802.11a/b/g/n/ac), Gigabit Ethernet, USB 2.0[2][3]
Camera: built-in / optional? Resolution & framerate (verify — marketing often omits real fps)Built-in 1920x1080 chamber monitoring camera[1]Full HD HDR camera[2][3]
Materials Support
Officially supported filament listPLA, PETG, TPU, ABS, ASA, PET supported; PA and PC listed Ideal; carbon/glass-fibre reinforced polymers listed Ideal (the machine ships with a hardened-steel nozzle)[1]UltiMaker cites 301+ compatible materials including its own PLA, PETG, ABS, CPE, CPE+, PC, TPU and PET-CF, plus third-party grades[2]
Safety
Thermal runaway protection (verify in firmware source if at all possible)A firmware over-temperature protection exists and is documented by Bambu: HMS_0300-0200-0001-0003 is raised when the heater runs at full power but fails to bring the nozzle to target within time, which Bambu describes as "a safety mechanism designed to prevent potential damage to the device or other risks in case of a temperature control failure". Firmware is closed-source, so the exact thresholds cannot be verified[9][11]Not documented
Noise & Power Consumption
Noise: claimed dB and independently measured dB (distance/method)Not documentedUnder 50 dBA operating sound, manufacturer figure. No independent measurement; distance and method not stated[2][3]
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, extendable to 5 years with an UltiMakerCare plan[2][3]
Independently Measured Performance
Dimensional accuracy measurements (third-party, with numbers)Not documentedDimensional accuracy +/-0.15 mm +/-0.15% of feature nominal length (manufacturer specification, not an independent measurement)[2][3]
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 (12 February 2024)[8]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 X1-Carbon - Technical Specifications (PDF) public-cdn.bambulab.com · 2026-08 · doc
  2. UltiMaker S8 3D Printer listing matterhackers.com · 2026-08 · vendor
  3. New UltiMaker S8 high-speed 3D printer: technical specifications and pricing 3dprintingindustry.com · 2026-08 · review
  4. PRNewswire - Bambu Lab Launches X1 Series, 23 May 2022 (Kickstarter dates and MSRP table) prnewswire.com · 2026-08 · doc
  5. Bambu Lab X1E Technical Specification (PDF) cdn1.bambulab.com · 2026-08 · doc
  6. Bambu Lab US Store - 3D Printers collection listing (base prices, Aug 2026) us.store.bambulab.com · 2026-08 · vendor
  7. Bambu Lab Wiki - X1 introduction wiki.bambulab.com · 2026-08 · doc
  8. Tom's Hardware - Bambu Lab X1-Carbon 3D Printer review, Andrew Sink, 12 February 2024 tomshardware.com · 2026-08 · review
  9. Bambu Lab Wiki - HMS_0300-0200-0001-0003: nozzle heater over-temperature (X1 series) wiki.bambulab.com · 2026-08 · doc
  10. Bambu Lab Wiki - Replace the Heatbed Sensor Unit / Heatbed Piezo Interface Board wiki.bambulab.com · 2026-08 · doc
  11. GitHub - bambulab organisation repository list (11 repos, checked Aug 2026) github.com · 2026-08 · doc
  12. Bambu Lab Warranty Policy bambulab.com · 2026-08 · vendor