Head-to-head · Best Resin 3d Printers

HeyGears Ultracraft Reflex RS Turbo 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 narrow margin (4.6 vs 4.5). The gap is mostly about Professionals needing precision and reliability — read the strengths below before deciding.

Ranked #2 in Best Resin 3d Printers

HeyGears Ultracraft Reflex RS Turbo

4.5

2 sourcesall derived$999as of Sep 13

The HeyGears Ultracraft Reflex RS Turbo is a production mSLA printer built around ease of use. The Blueprint software and pre-tuned profiles for HeyGears resins handle tuning for you, while an Open Material Mode allows compatible third-party resins with adjustable print settings. This printer is ideal for users seeking a plug-and-play solution but may not suit advanced users wanting full control over their printing process.

Strengths

— Easy-to-use software with intuitive Blueprint slicer interface, per 3DPrintBeginner
— Automatic calibration and leveling eliminates user setup hassle, Dennys Wang notes

Watch-outs

— Pre-tuned profiles cover only HeyGears' own resins; third-party resins require Open Material Mode

$999 · Buy at store.proto3000.com Full review →

Higher ratedRanked #1 in Best Resin 3d Printers

Uniformation GK3 Ultra

4.6

2 sources1 derived$1,200as of Sep 25

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

$1,200 · Buy at uniformation3d.com Full review →

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

HeyGears Ultracraft Reflex RS Turbo

The HeyGears Ultracraft Reflex RS Turbo offers easy-to-use software, surpassing the Elegoo Saturn 4 Ultra in automation and user-friendliness. However, its pre-tuned profiles cover only HeyGears' own resins, with third-party resins requiring Open Material Mode. It also lacks the large build volume and heated chamber features of the Elegoo Saturn 4 Ultra or Phrozen Sonic Mega 8K S.

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

Spec	HeyGears Ultracraft Reflex RS Turbo	Uniformation GK3 Ultra
Display Resolution	10.3-inch 8K amber screen	16K
Light Source	405 nm Wavelength	Masked SLA (M-SLA)
UV Wavelength	405nm	—
Weight	20 kg	30KG
Layer Height	30-100 μm	0.03mm-0.05mm
Build Volume	222 x 122 x 228 mm	300 x 160 x 300 mm
Pixel Size	—	15,120 x 6,230
Print Speed	—	2-3s/layer(0.05mm)
Dimensions	—	455400575(mm)

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