Do both need a UST screen?

Yes. Either washes out on a plain white screen with the lights on; a lenticular CLR screen such as the Elite Aeon CLR 3 is the right pairing for both.

Does the Samsung support Dolby Vision or 4K120?

No. It supports HDR10+ and HLG at 60 Hz with no HDMI 2.1. The Hisense supports Dolby Vision, HDR10+, and 240 Hz at 1080p.

Which sits closer to the wall?

The Hisense, with a 0.22:1 throw against the Samsung's 0.25:1, so the Samsung needs a slightly deeper cabinet for the same image size.

Head to head

Samsung The Premiere 7 vs Hisense PX3-PRO

A single-laser UST with a full Tizen smart platform and built-in speakers against a triple-laser UST with Dolby Vision and 3,000:1 contrast. The deciding factor is whether the projector is the whole system or part of one.

Updated September 14, 2026

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Both are ultra-short-throw laser projectors that sit on a console under the screen, and both want a lenticular CLR screen to look their best. The Samsung is a laser TV in the literal sense, with Tizen, Gaming Hub, and a 30 W 2.2-channel speaker system built in; the Hisense is the better projector, with a triple-laser source, Dolby Vision, three times the native contrast, and a fraction of the input lag. The one question that decides it: will there be a receiver and speakers, or does this box have to do everything?

Spec	Samsung The Premiere 7 4K Laser UST Projector (SP-LPU7DSAXXZA) Lights-on living rooms with no separate audio system View on Amazon	Hisense PX3-PRO TriChroma Laser Cinema UST Living rooms, no ceiling mount, UST ALR screens View on Amazon
Best for	Lights-on living rooms with no separate audio system	Living rooms, no ceiling mount, UST ALR screens
Price tier	Mid-range	Premium
Light source	Laser phosphor, 20,000 h	RGB triple laser, 25,000 h
Brightness	2,500 ISO lumens (mfr)	3,000 ANSI rated, 3,246 measured
Throw ratio and image size	0.25:1, 100 to 120 in	0.22:1, 80 to 150 in
Native contrast	About 1,000:1	3,000:1
HDR formats	HDR10+, HLG	Dolby Vision, HDR10+
Input lag	About 44 ms at 60 Hz, no 120 Hz	18 ms 4K60 measured, 240 Hz at 1080p
Smart platform	Tizen with native apps and Gaming Hub	Google TV
Built-in audio	30 W 2.2-channel with Dolby Atmos decoding	Not published

Pick the Samsung The Premiere if

There will be no receiver, soundbar, or streaming box; the projector has to be the whole system.
You want Samsung's TV interface and Gaming Hub for cloud gaming without a console.
You want to spend several hundred dollars less and use the difference on the screen.

Pick the Hisense PX3-PRO TriChroma if

You have a receiver and speakers and want the best picture a UST can give at this price.
You game on a console and want 18 ms lag and high refresh at 1080p.
You watch Dolby Vision content and care about black levels in a dim room.

Verdict

Buy the Hisense PX3-PRO if it is going into a system with its own audio; it is the better projector on every picture measure and it won the UST comparisons at ProjectorCentral and Projector Reviews. Buy the Samsung The Premiere 7 when the projector replaces a TV in a casual room and nobody is adding a receiver, because the smart platform and speakers are the point. The exception is a gaming household, where the Samsung's 44 ms lag and lack of 120 Hz rule it out regardless of Gaming Hub.

Common questions

Do both need a UST screen?: Yes. Either washes out on a plain white screen with the lights on; a lenticular CLR screen such as the Elite Aeon CLR 3 is the right pairing for both.
Does the Samsung support Dolby Vision or 4K120?: No. It supports HDR10+ and HLG at 60 Hz with no HDMI 2.1. The Hisense supports Dolby Vision, HDR10+, and 240 Hz at 1080p.
Which sits closer to the wall?: The Hisense, with a 0.22:1 throw against the Samsung's 0.25:1, so the Samsung needs a slightly deeper cabinet for the same image size.