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Side by side	ELEGOO Mars 5 Ultra Resin 3D PrinterCheck price on Amazon	ELEGOO Saturn 4 Ultra 16K Resin 3D PrinterCheck price on Amazon
Buyer rating	★★★★★4.3	★★★★★4.3
Price	$356.98	$519.99
Our score	8.5/10	8.3/10
Buyer ratings	381 ratings	349 ratings
Brand	ELEGOO	ELEGOO
Best for	High-precision resin miniatures with minimal mechanical tuning	Medium-format resin production and detailed batch manufacturing
Detail and resolution	9.2/10	—
Print speed	8.8/10	—
Automated safeguards	8.5/10	—
Ease of workflow	8.0/10	—
Value proposition	8.2/10	—
Resolution and optics	—	9.2/10
Failure prevention	—	8.8/10
Thermal regulation	—	8.5/10
Chassis and mechanics	—	8.1/10
Workspace integration	—	7.0/10
Product Dimensions	15.75 x 18.5 x 9.06 inches	24 x 17 x 15 inches
Item Weight	19.36 pounds	35.5 pounds
Item model number	EL-3D-M5U	Saturn Series 3D Printer
Manufacturer	ELEGOO	ELEGOO
Our verdict	The Mars 5 Ultra brings automated tilt-release mechanics and improved connectivity to Elegoo's compact resin lineup. While it reduces print failures and simplifies workflow, toxic photopolymer resins still mandate a dedicated exhaust extraction setup. It suits detail-focused makers who want a streamlined resin printing experience in an appropriately ventilated workshop.	Featuring a 16K LCD and an expanded build volume, the Saturn 4 Ultra is built for higher-throughput, high-resolution resin manufacturing. The larger surface area and resin vat volume produce substantial volatile emissions, making dedicated exhaust ducting an absolute requirement. It represents a serious commitment in both financial investment and shop safety planning.
Pros and cons	+ Automated release mechanisms improve operational reliability + Proven detail reproduction for intricate small components + Solid balance of hardware features and mid-tier pricing − Mandates budgeting for adequate workspace ventilation − Ongoing costs for replacement release films and chemicals	+ 16K panel delivers exceptional precision across a larger area + Automated mechanics reduce layer peeling failures + Sufficient build volume for small-batch manufacturing − Higher purchase cost and increased consumable usage − Heavy resin volume necessitates rigorous air extraction

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