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These are the two large-format machines that come up whenever a miniature painter is deciding between the finer-pixel machine and the bigger-plate machine, and there are a few places the Anycubic Photon Mono M7 Pro genuinely beats the Saturn. If you’re trying to decide between these two large-format machines for miniature printing, a lot of the YouTube coverage doesn’t help; much of it is sponsored and skips straight past the trade-offs that matter for tabletop printing specifically. This comparison works from published specs and reviewer-reported performance instead.
Specs here come from the manufacturers and performance notes from published reviews. My own printer is an original Elegoo Saturn.
For a broader look at how these printers compare to the rest of the field, the best resin printer guide for miniatures has the full tier breakdown. If you’re still earlier in the decision process and haven’t pulled a trigger on resin printing yet, start with the complete beginner’s guide.
The Two Printers at a Glance
The Elegoo Saturn 4 Ultra is Elegoo’s flagship large-format mono LCD printer. 16K resolution, 14 × 19µm XY, 211.68 × 118.37 × 220mm build volume, and a rated print speed of up to 150mm/h using tilt release and PFA release film. It’s a common pick for serious miniature printers. For the full rundown, see our Elegoo Saturn 4 Ultra review.
The Anycubic Photon Mono M7 Pro is Anycubic’s answer to that dominance: a large-format machine with 14K resolution, 16.8 × 24.8µm XY, a 223 × 126 × 230mm build volume, and a design built for Anycubic’s Photon Workshop ecosystem. It is the bigger-plate alternative, so the question is what the Saturn gives you in return. Full details in our Anycubic Photon Mono M7 Pro review.
These are the right printers to compare because they’re the two machines that come up when someone decides they want a large build plate for miniature printing. The Mars 5 and Photon Mono 4 are smaller. The Saturn 4 Ultra and M7 Pro are for people who want to print Huge creatures, terrain tiles, and batch encounters without splitting models.
Resolution: Where the Gap Is Real
The Saturn 4 Ultra’s pixels are somewhat smaller: 14 × 19µm against the M7 Pro’s 16.8 × 24.8µm. That is finer by about 2.8µm in X and 5.8µm in Y, roughly 17% and 23%. It is a real difference, and a small one for 28-32mm miniatures. Both are 10-inch-class panels (16K and 14K) with pixels well below what most tabletop sculpts carry.
Note that the M7 Pro is a 14K panel (13320 × 5120), not the 12K some older listings and write-ups claim, and neither printer has square pixels.
The gap is most relevant for display pieces and macro photography: fine extremities like thin spears and arrow shafts, spindly insect legs, small face features, and very fine support tips on pre-supported STLs. For gaming pieces that will be painted and placed on a mat, neither pixel size is the limiting factor. Supports, orientation and exposure matter at least as much.
The honest assessment: if you’re printing display-quality pieces that will spend time on a shelf and be photographed, the Saturn 4 Ultra’s finer pixels are the spec to weigh. If you’re printing gaming pieces for a campaign table, either machine clears the bar.
Build Volume: Both Are Large Format
Saturn 4 Ultra: 211.68 × 118.37 × 220mm (XYZ) M7 Pro: 223 × 126 × 230mm (XYZ)
The M7 Pro has the larger plate: about 12% more plate area and 10mm more height. If plate size is the deciding factor, it favors the M7 Pro. What you can nest on one plate still depends more on how you pack supports than on a few millimeters either way, so check both manufacturers’ current spec pages before you buy.
For most miniature printing use cases (batch character models, standard encounter prep, medium-to-large creatures) both build plates are more than sufficient. The size advantage becomes relevant specifically if you print large terrain pieces, vehicles, or regularly need to nest a Huge-class base alongside smaller prints in a single run.
Either plate handles big monsters and terrain without constant splits. For most buyers, plate size will not be what settles it.
Print Speed and Release Film
Elegoo rates the Saturn 4 Ultra at up to 150mm/h. Its spec page lists tilt release and PFA release film. Anycubic rates the M7 Pro at up to 130mm/h with standard resin and up to 170mm/h with its high-speed resin, and lists an “Improved ACF Film.” So the M7 Pro is the ACF machine here, not the Saturn.
The two ratings use different resins and conditions, so they overlap and cannot be read as a ranking. Real plate times depend heavily on layer height, exposure settings and model height, and any quoted time for a full plate of medium creatures is unverified unless it names its settings.
For occasional hobbyist printing, none of this matters much. If you run the printer weekly or print against a deadline, look for published tests that use your layer height and resin before you let a speed rating decide the purchase.
Software and Ecosystem
Both printers work with Chitubox and Lychee Slicer, which are the two tools most miniature printers actually use. Either machine slots into your existing workflow without a software switch.
The M7 Pro also has native Photon Workshop support, which is Anycubic’s own slicer. It’s functional but most experienced miniature printers have already moved to Chitubox or Lychee for their support placement and hollowing tools. Photon Workshop won’t be a reason to choose or avoid the M7 Pro.
Resin compatibility on both is broad. Any 405nm MSLA resin works in either printer. No ecosystem lock-in.
Price and Value
Check current price on both before you decide. Amazon prices for these two move around, and the gap between them is the biggest swing factor in this comparison. A bigger gap means more room in the budget for resin, a wash and cure station, or STL subscriptions. A smaller one makes the spec differences matter more.
The M7 Pro has the bigger plate and the Saturn 4 Ultra has the finer pixels, with speed ratings that overlap. If your use case is batch gaming pieces that go on a table rather than a shelf, the finer pixels are the part you are least likely to notice. If you’re printing display pieces, they’re the part you’re paying for.
Head-to-Head Comparison
| Category | Elegoo Saturn 4 Ultra | Anycubic Photon Mono M7 Pro |
|---|---|---|
| XY Resolution | 14 × 19µm (16K) | 16.8 × 24.8µm (14K) |
| Build Volume | 211.68 × 118.37 × 220mm | 223 × 126 × 230mm |
| Max Print Speed (rated) | Up to 150mm/h | Up to 130mm/h standard resin, up to 170mm/h high-speed resin |
| Release Mechanism | Tilt release, PFA film | Improved ACF film |
| Slicer Compatibility | Chitubox, Lychee, more | Chitubox, Lychee, Photon Workshop |
| Price | Check current price | Check current price |
| Best For | Painted minis, display pieces, finest pixels | Gaming pieces, largest plate |
The Recommendation
Buy the Saturn 4 Ultra if: You’re a miniature painter who cares about the finest pixels on detailed character models, you print display pieces, or you want a large build plate for large creatures and terrain and the price on the day works for you.
For that buyer, the finer pixel pitch is the spec that matters, and it is small on paper. If you genuinely need it, the price premium (if there is one when you check) is the cost of that.
Buy the M7 Pro if: Plate size is what you’re shopping for, the models you print are primarily gaming pieces that will be painted with contrast paints and fielded on a table, or you’re moving up from a smaller-format machine and want the largest plate in this class.
The M7 Pro is not a lesser printer. It has the larger plate, near-equal pixels and an overlapping speed rating. The gap between it and the Saturn is real but small for gaming-first use cases. Let the price on the day break the tie.
After you’ve printed your first plate of minis on either of these machines, the next purchase is usually a wash and cure station. The best wash and cure station guide has the full breakdown. And if you’re new to the workflow entirely, printing your first miniature walks through the process from unboxing to first cured print.
Frequently Asked Questions
Is the Elegoo Saturn 4 Ultra worth it over the M7 Pro for DnD minis? Yes, if you print character models that will be painted and displayed. The 14 × 19µm pixels are somewhat finer than the M7 Pro’s 16.8 × 24.8µm, which matters most for display work. For gaming-first DnD encounters where the minis are playing pieces, the M7 Pro is more than capable, and the price on the day may make the call.
Does the M7 Pro work with Chitubox and Lychee? Yes. Both are fully compatible. You don’t need to use Photon Workshop unless you prefer it.
Can both printers handle pre-supported STL files from creators like Artisan Guild? Yes, in principle. Pre-supported files from MyMiniFactory Tribes and similar platforms are made to print on this class of machine. Support tip size and orientation matter more than which of the two printers you pick.
What resin should I use with either printer? For miniatures that will be painted and handled, ABS-like resin outperforms standard resin in durability. Elegoo ABS-Like and Siraya Tech Blu (now sold as Blu Tough in Easy Grey) are the two I’d look at first. There’s no printer-specific resin requirement for either machine, but run an exposure test on your own printer before committing a full plate.
Do I need a wash and cure station for either printer? Yes. Both produce MSLA prints that need IPA washing and UV post-curing. A dedicated station (the Elegoo Mercury Plus 2.0 is the default pick) makes this step faster and cleaner than jar-and-UV-lamp alternatives.
Can I use the Saturn 4 Ultra with water-washable resin? Yes. The Saturn works with any 405nm resin, including water-washable formulations. Water-washable is a legitimate alternative if you want to avoid IPA in your workspace. The tradeoff is slightly lower part strength in some formulations.