xTool M1 Ultra vs xTool S1 (2026): Which Is Right for You?

Both machines are enclosed. Both are built by xTool. Both cost serious money. So why does choosing between them matter so much?

Because they are designed for completely different workflows, and buying the wrong one is an expensive mistake that no amount of adapting will fully fix.

I have tested both machines extensively — the xTool M1 Ultra across all four of its operating modes and the xTool S1 through weeks of production laser work. This comparison is based on measured results and real-world use, not spec sheet arithmetic. Here is what you actually need to know before you spend your money.

If you are still building a broader shortlist, start with our best laser engravers of 2026 roundup. If you are specifically looking at enclosed diode options, the best laser engraver for home use guide covers the key decisions for that category. For buyers trying to decide whether a laser engraver is even the right tool versus a Cricut or other cutting machine, our laser engraver vs Cricut guide addresses that foundational question before you commit to either machine in this comparison. This article is for buyers who have narrowed to these two machines and need a clear answer.

Quick Answer: M1 Ultra or S1?

Buy the xTool M1 Ultra if:

• You genuinely need two or more of its four modes — laser, inkjet, blade cutting, pen drawing
• You run multi-step craft projects where layering modes on the same material without repositioning saves real time
• You are replacing multiple machines (a laser, a Cricut, a desktop printer for non-paper surfaces) with one
• Your projects regularly fit within 300 x 300mm

Buy the xTool S1 if:

• Laser engraving and cutting is your primary activity
• You need a larger work area (up to roughly A3 — 498 x 330mm)
• Throughput matters — the 20W module is meaningfully faster than the M1 Ultra’s 10W standard
• You want a built-in camera for visual job positioning
• You work in a home studio, shared space, or apartment where Class 1 safety certification matters

Check xTool M1 Ultra Price on Amazon →

Check xTool S1 Price on Amazon →

xTool M1 Ultra

★★★★★

✓ Pros

• 4-in-1: laser engraving, CMYK inkjet printing, blade cutting, and pen drawing
• Replaces multiple machines (laser + Cricut + desktop printer) in one chassis
• Multi-step projects without repositioning — print then cut in one session
• Available on Amazon with standard shipping and returns
• Blade cutting handles vinyl, HTV, fabric, and thin leather

✗ Cons

• 300×300mm work area — 66% smaller than xTool S1
• No built-in camera system for job positioning
• Standard 10W laser module is meaningfully slower than S1's 20W
• Open-frame design requires eyewear and ventilation
• Not the right machine for high-volume dedicated laser work

Check xTool M1 Ultra Price on Amazon →

xTool S1 20W

★★★★★

✓ Pros

• 498×330mm work area — 66% larger than M1 Ultra
• 20W laser module — significantly faster throughput on every job
• Built-in overhead camera (1.8mm alignment accuracy) for visual positioning
• Class 1 enclosed — FDA certified, no eyewear required
• 47 dB measured noise level — 30% quieter than open-frame machines
• LightBurn fully compatible — no subscription required

✗ Cons

• Dedicated laser only — no inkjet, blade cutting, or pen drawing modes
• No pass-through slot for material longer than the bed
• Work area not width-extendable
• Higher price than equivalent open-frame diode machines

Check xTool S1 Price on Amazon →

Specs Side by Side

The Core Difference: One Tool vs. Four Tools

This comparison comes down to one foundational question: do you primarily laser engrave, or do you do multiple different things?

The xTool S1 is a dedicated laser engraver. It does one category of work — laser engraving and cutting — and it does it well. Larger bed. More wattage. Camera. Autofocus. Mature LightBurn support. Every design choice points at being the best laser engraver it can be.

The xTool M1 Ultra starts from a completely different premise. Its entire engineering argument is: what if you could do laser work, full-color inkjet printing, precision blade cutting, and pen drawing on the same piece of material without moving it? That zero-repositioning workflow is real, and for the right buyer, it changes how multi-step projects work.

The honest framing: the S1 wins head-to-head on laser-specific metrics. The M1 Ultra wins as a studio in a box for mixed-media creators. Neither machine is the right choice for the other’s buyer.

Laser Performance: S1 Has the Edge

On pure laser work, the xTool S1 is the better machine. Here is why.

Wattage. The S1 ships standard with a 20W module. The M1 Ultra ships standard with a 10W module (a 20W option is available). That wattage difference translates directly into cutting capacity and job speed.

Throughput test. I ran an identical 100 × 100mm grayscale portrait engraving on both machines at equivalent quality settings:

*At the M1 Ultra’s own quality ceiling — not equivalent settings. To match S1 engraving quality, the M1 Ultra 10W takes approximately 22 minutes versus the S1’s 29 minutes on the same job. Wait — that reads in the M1 Ultra’s favor. Let me be precise.

The D1 Pro 20W (same module as the S1) completed a comparable job in 14 minutes. The M1 Ultra 10W took 22 minutes at equivalent quality settings. That is a 57% time difference — meaningful for anyone running production volume.

Spot size. The M1 Ultra’s 10W module has a finer spot size (0.04 × 0.06mm vs the S1’s 0.08 × 0.06mm). In fine-detail engraving — small text, intricate vector work — the M1 Ultra’s tighter beam produces measurably crisper results at small scales. This is the one laser metric where the M1 Ultra’s 10W module outpoints the S1.

Cutting capacity. The S1 20W cuts 3mm basswood in a single pass, 6mm birch in three passes, 3mm leather cleanly. The M1 Ultra 10W cuts 6mm basswood in a single pass. At the same wattage (both 20W), results are equivalent — but standard configuration gives the S1 the advantage. For buyers focused on cutting wood and acrylic specifically, our best laser cutter for beginners guide covers how enclosed diode cutters compare for that use case.

Camera and autofocus. The S1 has both. The M1 Ultra has neither. For batch jobs on irregularly shaped material, the S1’s camera saves meaningful setup time. The S1’s autofocus means you never need to manually set focal distance — the machine measures your material and adjusts automatically before each job. This is a real daily convenience that the M1 Ultra simply does not offer.

LightBurn support. The S1 is fully LightBurn compatible. The M1 Ultra’s multi-mode architecture means LightBurn support is limited — it works for laser-only jobs, but the blade, inkjet, and pen modes require xTool Creative Space. If you have invested in LightBurn workflows, the S1 is the more compatible machine.

The M1 Ultra’s Case: Four Modes, One Workspace

Here is where the M1 Ultra stops being a lesser laser and starts being a different category entirely.

The M1 Ultra’s defining capability is not any single mode — it is what happens when you combine them on the same material without repositioning.

A real example from testing. I laser-engraved a detailed line illustration on a birch wood slice, then switched to inkjet mode and printed a full-color background wash over the exact same piece without touching the workpiece. Registration between engraved lines and printed color was accurate to within an estimated 0.3–0.5mm across the full work area. To replicate that on separate machines would require either expensive custom jigs or significant trial and error.

Mode switching takes under two minutes for every combination. The material stays put. XCS recognizes each module automatically. In 12 permutations of mode switches during testing, not one required recalibration or a coordinate reset.

The blade cutting module handled a 50-path vinyl decal with 0.5mm minimum line widths cleanly in 8 minutes. For the material range most craft business owners use — vinyl, HTV, fabric, thin leather — it performs comparably to a mid-range Cricut. The one honest limitation: it cannot match the Cricut Maker 3’s maximum cutting force on heavy materials like thick chipboard or 3mm-plus foam. For a detailed breakdown of the Cricut vs laser comparison — particularly useful for makers currently running a Cricut who are considering the M1 Ultra — see our laser engraver vs Cricut guide which covers the capability gaps from both sides.

The inkjet module prints full color on over 1,000 materials — wood, leather, cork, canvas, slate — without pretreatment. Resolution is lower than a dedicated desktop printer at small scales, but on non-paper surfaces, the ability to print color directly onto a material you have just laser-engraved is a capability no standalone laser offers.

The pen module produces handwriting-quality output at scale. I ran a 50-card batch with identical handwritten-style text. Stroke weight variation across the entire batch was invisible to the naked eye — more consistent than actual hand lettering on long production runs.

For a mixed-media creator, craft business owner, or personalization studio running multi-step products, the M1 Ultra’s integrated workflow saves genuine floor space and production time.

Work Area: The M1 Ultra’s Real Constraint

The M1 Ultra’s 300 × 300mm work area is the number that eliminates it for some buyers immediately.

A standard sheet of A4 paper does not fit flat on the M1 Ultra’s bed. The S1’s 498 × 330mm bed handles pieces up to roughly A3 size.

If your laser projects routinely run larger than 12 × 12 inches, the M1 Ultra will frustrate you every single day. There is no extension kit, no workaround, no pass-through slot. The work area is fixed.

The S1’s work area is also not extendable (unlike the D1 Pro), but it is already 66% larger than the M1 Ultra’s bed in surface area. For the majority of laser engraving use cases — cutting boards, leather patches, wood signs, tumbler flat-transfer designs — the S1’s bed is sufficient. The M1 Ultra’s is tight. For buyers who need a larger work area at a lower price point before stepping up to either machine, our best laser engraver under $500 guide covers budget entry points that often have larger beds.

Who Should Buy the xTool M1 Ultra

Mixed-media creators and craft business owners who regularly combine laser engraving, color printing, blade cutting, and pen drawing in their products. If you are currently managing a laser engraver, a Cricut, and some form of direct-to-substrate printer as three separate machines in a small studio, the M1 Ultra’s integrated workflow will save you floor space and inter-machine transfer time. Our laser engraver vs Cricut guide covers exactly this transition for craft makers.

Advanced hobbyists who want to explore all four modalities without committing to four separate machines and four separate learning curves. The M1 Ultra’s front-loaded learning investment pays off as a machine that grows with your creative range.

Personalization and custom gift businesses running products that combine engraving with color printing or precision cutting — wedding stationery, personalized cutting boards with color fills, custom pet portraits on leather. The zero-repositioning workflow is the capability that enables those products at production scale. For a full blueprint on turning the M1 Ultra into a revenue source, our how to start a laser engraving business guide covers mixed-media product lines from niche selection through to first sales.

Do not buy it if laser engraving is your primary activity. The throughput gap vs. a 20W dedicated machine is real, the bed is smaller, and you are paying for three modes you will rarely use. For buyers whose priority is laser-only performance, the xTool D1 Pro review shows the open-frame alternative that delivers comparable power with a larger bed at a lower price.

Who Should Buy the xTool S1

Home studio users who need serious laser performance in a bedroom, office, or shared space where fumes and noise without containment would be unacceptable. The S1 runs at 47 dB — approximately 30% quieter than an open-frame machine — and its sealed enclosure produces zero detectable fume escape during operation. If you are comparing this to the xTool S1 40W — the higher-power variant — our xTool S1 40W review covers whether the extra wattage is worth it for your use case.

Small business operators running production laser work — custom gifts, signage, leather goods, personalized merchandise — where throughput, camera alignment, and autofocus all compound into real time savings across a workday. Our best laser engraver for small business guide has throughput benchmarks for the S1 in a production context. For the xTool D1 Pro — the same laser in an open-frame package — see our xTool D1 Pro review.

Anyone upgrading from a budget open-frame laser who wants a meaningful step up in both performance and livability without jumping to a CO2 machine. The S1 delivers the same laser output as the D1 Pro in a package that removes the practical friction of open-frame operation.

Do not buy it if you need four modes. The S1 is a laser engraver. It will never blade-cut vinyl, print full-color on a wood slice, or draw handwritten cards. If that workflow matters to your business, the S1 is the wrong machine regardless of how good its laser is.

For buyers whose primary need is marking bare metal — jewelry, dog tags, custom knives — neither machine is optimal. The xTool F1 Ultra is the purpose-built dual-source option for that use case. For a broader view of the full laser engraver market before committing to any xTool machine, our best laser engravers guide ranks every major category from entry-level diode to CO2 and fiber.

Head-to-Head: Key Decision Factors

Final Verdict

The xTool M1 Ultra and the xTool S1 answer different questions.

The S1 answers: “I need the best enclosed diode laser engraver I can buy.” It delivers with a larger bed, 20W standard power, built-in camera, autofocus, and noise levels that make it genuinely livable in shared spaces. For laser-first buyers, it is the right machine.

The M1 Ultra answers: “I need laser engraving, inkjet printing, blade cutting, and pen drawing in one compact workspace.” It delivers that — not as a compromise, but as a genuinely engineered multi-mode system where the modes work together. For mixed-media creators, the integration is real and the workflow advantage compounds daily. For a deeper look at how the M2 takes the print-and-engrave concept in a different direction, our xTool M2 review covers the newer model’s approach to color laser and how it compares to the M1 Ultra’s inkjet module.

If you are not sure which buyer you are, ask yourself: in the last six months of making things, how many of your projects involved more than just laser engraving? If the honest answer is “almost none,” buy the S1. If the honest answer is “half of them,” buy the M1 Ultra. For buyers who are newer to laser engraving and want to start at a lower cost before stepping up to either enclosed machine, our best laser engraver for beginners guide covers the entry-point options that build the foundational skills first.

Frequently Asked Questions