Verdict
Head-to-head · Best Resin 3d Printers

Anycubic Photon Mono 4 Ultra vs Uniformation GK3 Ultra

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

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The short answer

Uniformation GK3 Ultra comes out ahead by a clear margin (4.1 vs 4.6). The gap is mostly about Professionals needing precision and reliability — read the strengths below before deciding.

Anycubic Photon Mono 4 Ultra
Ranked #5 in Best Resin 3d Printers
Anycubic Photon Mono 4 Ultra
3 sources2 derived$329.99as of Aug 1

The Anycubic Photon Mono 4 Ultra is a compact resin 3D printer designed for detailed small-format prints, particularly gaming accessories. Reviewers noted its mono light engine delivers better resolution and light energy than standard RGB panels. The printer ships extremely well packed with multiple protective films, though this adds complexity to setup. Users appreciate its support for high-speed resins and its suitability for intricate models. However, some found the assembly process cumbersome due to misaligned protective films and inconsistent power supply accessories. It's best suited for users seeking precision over large build volumes.

Strengths
  • Features a mono light engine for better resolution and light energy compared to standard RGB-tinted panels
  • Well-packed with protective films and accessories, ensuring safe shipment and setup
  • Supports high-speed printing with Anycubic's High Speed Resin, offering faster print times
Watch-outs
  • Includes excessive protective films that are difficult to align properly during setup
  • Power cord shipped with European plug; lacks standard three-wire connector in included accessories
  • Instructions are light on safety aspects and lack clarity for some assembly steps
Uniformation GK3 Ultra
Higher ratedRanked #1 in Best Resin 3d Printers
Uniformation GK3 Ultra
2 sources1 derived$1,350as of Aug 1

TechRadar praised the Uniformation GK3 Ultra for its 16K resolution, heated build chamber, and auto-resin refill system, calling it a strong contender for professionals needing precision and reliability at scale. The reviewer noted its solid build quality and seamless workflow features, though acknowledged its high price point. YouTube reviewer emphasized the large print volume and 16K resolution but expressed skepticism about marketing claims around the K-number specifications. This printer is ideal for serious hobbyists and professionals seeking high-quality resin printing but may not suit budget-conscious users.

Strengths
  • Superb 16K print quality with 15,120 x 6,230 XY resolution
  • Large build volume of 300 x 160 x 300 mm
  • Heated build chamber for improved resin temperature control
Watch-outs
  • High price compared to the competition
  • No remote monitoring capability

Derived means the reviewer published no score, so one was inferred from their written verdict. Everything else is a number the publisher printed. How we rank.

How they stack up

Anycubic Photon Mono 4 Ultra

The Anycubic Photon Mono 4 Ultra excels in precision with its mono light engine, offering better resolution than standard RGB panels, unlike the Elegoo Mars 5 Ultra or Formlabs Form 4.

Uniformation GK3 Ultra

The Uniformation GK Three Ultra provides a 16K resolution and heated build chamber, outperforming the Elegoo Saturn 4 Ultra in precision and environmental control. However, it lacks the network connectivity and remote monitoring features of the Elegoo Saturn 4 Ultra or Elegoo Mars 5 Ultra.

Specs side-by-side

SpecAnycubic Photon Mono 4 UltraUniformation GK3 Ultra
Build Volume154.22 x 87.04 x 165 mm300 x 160 x 300 mm
Light SourceMono (single color cells)Masked SLA (M-SLA)
UV Wavelength405nm resin, including Anycubic High Speed Resin
MaterialABS, Aluminum, Polycarbonate
Dimensions15"D x 10"W x 20"H455*400*575(mm)
Weight4 kg30KG
Display Resolution10K16K
Pixel Size17 x 17 μm15,120 x 6,230
Print Speed120mm/h2-3s/layer(0.05mm)
Layer Height0.02-0.15 mm0.03mm-0.05mm
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