3D Printing Info

Printer comparison

Bambu Lab H2S vs Creality K2 Plus

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

2 selected · all documented properties

Bambu Lab H2S vs Creality K2 Plus — documented properties and sources
PropertyBambu Lab H2SCOREXYCreality K2 PlusCOREXY
Identity
BrandBambu LabCreality
ClassCOREXYCOREXY
Identity & Market
Manufacturer & exact marketed model name (verify the exact product identity first)Bambu Lab H2S; spec sheet header "H2S & H2S Laser Edition Spec Sheet"[1]Creality K2 Plus[2]
Street price (USD; dated snapshot per entry)From $1,199.00 on the Bambu Lab US store, Aug 2026, against a stated typical price of $1,249.00[3]$999.00 on store.creality.com, Aug 2026[4]
Variants & sibling models — and how to tell them apart (spec-contamination risk)Single-nozzle machine sharing the H2 body. H2S and H2S Laser Edition are covered by one spec sheet: the Laser Edition adds laser safety windows, the air-assist pump and the 3264x2448 BirdsEye camera, and a plain H2S can be upgraded with a Laser Upgrade Kit. Against the dual-nozzle H2D in the same 492x514x626 mm shell: 30 kg vs 31 kg, 340x320x340 mm single-nozzle volume vs 325x320x325 mm[1][5]Largest and only fully specified K2. It is the only one with a 350 C nozzle, a 120 C bed, 30000 mm/s2 acceleration, step-servo motors on Z as well as X/Y, automatically adjusted belt tension, two auxiliary cooling fans, two air filters, a 1080p chamber camera, dual-band Wi-Fi and a 4.3-inch screen. Its "smart auto levelling" is listed as arriving via firmware update rather than shipping enabled, unlike the K2 and K2 Pro. A separate K2 SE model also exists[2]
Physical & Frame
Build volume X×Y×Z (mm) — advertised vs actually usable340 x 320 x 340 mm (manufacturer figure)[1]350 x 350 x 350 mm[2]
Machine footprint (mm) & clearance needed (cable/spool overhang)492 x 514 x 626 mm - the same body as the H2D and H2C[1]495 x 515 x 640 mm[2]
Net weight (kg)30 kg net[1]35 kg[2]
Frame construction & materialAluminium and steel chassis and shell[1]Not documented
Enclosure: open / enclosed; panel material; door/lidFully enclosed with a door sensor; active chamber heating to 65 C, chamber exhaust and heat-circulation fans, G3 + H12 + coconut-shell carbon filtration[1]Enclosed with chamber temperature control up to 60 C and two air filters[2]
Passive chamber temperature reached (if enclosed; measured values preferred)Active chamber heating, maximum 65 C (manufacturer figure)[1]60 C max chamber temperature (manufacturer figure)[2]
Kinematics & Motion Hardware
Kinematics (bedslinger i3 / CoreXY / other)CoreXY - not named in the spec sheet; grouped by Bambu with the H2 enclosed CoreXY machines at 20000 mm/s2[1]CoreXY - Creality groups the K2 series with its CoreXY flagships and quotes 600 mm/s with step-servo motors on the X and Y axes[2]
Belts (type, width, e.g. Gates?)Not documentedAutomatically adjusted belt tension - the K2 and K2 Pro are tensioned by hand[2]
Stepper motors (frame size, step angle, brand if known)Not documentedStep-servo motors on the X, Y and Z axes and the extruder[2]
Speed & Acceleration
Max print speed (claimed, mm/s)1000 mm/s max toolhead speed (manufacturer claim); no independent measurement found[1]600 mm/s max printing speed (manufacturer claim)[2]
Max acceleration (claimed, mm/s²)20000 mm/s2 max toolhead acceleration (manufacturer claim)[1]30000 mm/s2 max acceleration (manufacturer claim) - 50% above the rest of the K2 family[2]
Max volumetric flow claimed (mm³/s)40 mm3/s standard-flow hotend, 65 mm3/s optional high-flow hotend; Bambu's test is a 250 mm round single-wall model in Bambu ABS at 280 C[1]Not documented
Extruder
Type (direct drive / bowden) & design nameDirect drive with hardened-steel gears and a Bambu high-precision permanent-magnet synchronous extruder motor; built-in filament cutter[1]Direct drive with a 0.4 mm hardened "unicorn" quick-swap nozzle[6]
Hotend & Nozzle
Hotend design (proprietary/standard; quick-swap mechanism?)All-metal hotend, hardened-steel nozzle, 0.4 mm included, 0.2/0.4/0.6/0.8 mm supported; optional high-flow hotend[1]Not documented
Max nozzle temp claimed AND firmware max temp limit (both values)350 C claimed max nozzle temperature[1]350 C claimed max nozzle temperature[2]
Heater cartridge power (W)Not documented100 W rated hotend power[2]
Heated Bed & Surface
Max bed temp claimed AND firmware limit120 C max heatbed temperature[1]120 C max heatbed temperature[2]
Bed surface (material, texture, coating), single/double-sidedTextured PEI plate and Smooth PEI plate supported[1]Coated steel flex plate, heated, removable[6]
Leveling & Z-Offset
Auto bed leveling: probe technology (inductive / strain gauge / load cell / touch probe)Not documentedSmart auto levelling listed as "Available via Firmware Update" rather than shipping enabled; automatic flow-rate calibration via the nozzle AI camera[2]
Filament Handling & Detection
Filament runout sensor (type, location)Yes - run-out sensor, tangle sensor and door sensor; odometry with AMS[1]Filament run-out sensor fitted[6]
Cooling & Air Handling
Part-cooling fan(s): count, size, ducting designPart-cooling fan, hotend cooling fan, main control board fan, chamber exhaust fan, chamber heat-circulation fan and auxiliary part-cooling fan, all closed-loop controlled[1]Two auxiliary cooling fans and two air filters[2]
Electronics & Power
Total rated power draw100-120 VAC / 200-240 VAC 50/60 Hz; 2050 W at 220 V, 1170 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[7]Creality OS, a Klipper derivative. Creality publishes the K2 firmware source as CrealityOfficial/K2_Series_Klipper on GitHub under GPL-3.0, last pushed March 2026[8][9][2]
Connectivity, UI & Camera
Display: size, type, touch?5-inch 720x1280 touchscreen[1]4.3-inch touchscreen[2]
On-device UI capabilities (model preview, per-object controls, etc.)Touchscreen plus mobile app and PC app[1]Touch UI with a built-in RFID reader; Creality notes the K2 Plus has no alarm sounds, which the K2 and K2 Pro do have[2]
WiFi (band/standard), Ethernet, USB ports, SD/flash-driveBuilt-in 8 GB eMMC and a USB port; touchscreen, app and PC control interfaces[1]Dual-band Wi-Fi (2.4 and 5 GHz), RJ45 Ethernet, USB drive and a Creality 485 port; 32 GB eMMC[2]
Camera: built-in / optional? Resolution & framerate (verify — marketing often omits real fps)Live-view camera 1920x1080 and toolhead camera 1600x1200; the 3264x2448 BirdsEye camera is fitted only on the Laser Edition[1]One chamber camera at 1080p 30 fps plus the nozzle AI camera[2]
Materials Support
Officially supported filament listPLA, PETG, TPU, PVA, BVOH, ABS, ASA, PC, PA, PET, PPS, plus carbon/glass-fibre reinforced PLA, PETG, PA, PET, PC, ABS, ASA, PPA and PPS[1]PLA, PETG, PET, ABS, ASA, PLA-CF, PA-CF, PPA-CF[2]
Safety
Thermal runaway protection (verify in firmware source if at all possible)Not documentedNot verified directly. Creality publishes the K2-series firmware as CrealityOfficial/K2_Series_Klipper (GPL-3.0); upstream Klipper ships the verify_heater thermal-runaway check, but whether the stock configuration enables it was not checked here[8][9]
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[10]Creality's US store states "Up to 12-Month Warranty", a 14-day return and refund window and "Lifetime Customer Support" on its printer product pages. The "up to" wording means the term is not uniform across parts[11]
Independently Measured Performance
Benchmark print times (source + settings)Not documentedBenchy in 15 minutes 56 seconds - independently measured by Tom's Hardware, which noted visible layer lines and slightly droopy overhangs at that speed[6]
Review scores from major outlets (list outlet + score + date)Not documentedTom's Hardware rating 4.5 out of 5 in the page's structured data[6]

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 H2S & H2S Laser Edition Spec Sheet (PDF) store.bblcdn.com · 2026-08 · doc
  2. Creality K2 series product page, including the Compare K2 Series table (K2 / K2 Pro / K2 Plus) creality.com · 2026-08 · vendor
  3. Bambu Lab US Store - 3D Printers collection listing (base prices, Aug 2026) us.store.bambulab.com · 2026-08 · vendor
  4. Creality US store - K2 Plus 3D Printer product page (live price) store.creality.com · 2026-08 · vendor
  5. Bambu Lab H2D - Technical Specifications bambulab.com · 2026-08 · vendor
  6. Tom's Hardware - Creality K2 Plus Review (spec box and measured Benchy time) tomshardware.com · 2026-08 · review
  7. GitHub - bambulab organisation repository list (11 repos, checked Aug 2026) github.com · 2026-08 · doc
  8. GitHub API - CrealityOfficial/K2_Series_Klipper repository metadata (GPL-3.0, last push Mar 2026) api.github.com · 2026-08 · doc
  9. GitHub - CrealityOfficial organisation repositories (per-model firmware sources) github.com · 2026-08 · doc
  10. Bambu Lab Warranty Policy bambulab.com · 2026-08 · vendor
  11. Creality US store - K1 3D Printer product page (live price, warranty and returns banner) store.creality.com · 2026-08 · vendor