The BenQ AH700ST versus AK700ST decision is unusually straightforward on paper: one displays 1080p and the other displays 4K UHD, while both share a similar optical placement range. In a real simulator, however, the value of that upgrade depends on the screen and the system supplying the picture.
This guide compares the BenQ AH700ST and BenQ AK700ST as equipment choices. It is based on manufacturer documentation, not an invented side-by-side test.
What stays similar, and what changes?
| Specification | AH700ST | AK700ST |
|---|---|---|
| Display resolution | 1920 × 1080 | 3840 × 2160 |
| Native aspect ratio | 16:9 | 16:9 |
| Rated brightness | 4,000 ANSI lumens | 4,000 ANSI lumens |
| Throw ratio | 0.69–0.83 | 0.69–0.83 |
| Optical zoom | 1.2x | 1.2x |
Source: BenQ's AH700ST and AK700ST specification pages. Shared headline specifications do not prove identical picture processing, ports, mounting details, or real-world performance.
Why screen size changes the value of 4K
At the same image width, 3840 horizontal pixels provide finer spacing than 1920. That is the basic reason to consider 4K for a large projection surface. Whether you notice enough improvement to justify the cost depends on viewing distance, focus, screen texture, lighting, and the content.
Consider where people will look at the image. A golfer checking small data labels from the hitting position has a different viewing task from a spectator seated farther away. Do not assume that everyone needs the same resolution because both rooms contain a golf simulator.
For a new build, choose the usable screen dimensions before choosing between these projectors. For an upgrade, write down what bothers you about the current image. Fine detail is a different problem from poor focus, sunlight, or an incorrectly sized picture.
Sharing a throw range helps but does not guarantee a drop-in swap
For a ten-foot-wide native 16:9 picture, the published ratios give a preliminary lens-to-screen range of 6.9–8.3 feet for either model. This calculated example suggests similar placement possibilities. It does not prove that the existing bracket, lens position, cable path, or alignment can remain unchanged.
Measure from the lens to the screen rather than from the mounting pole. Check the mount's supported load and attachment pattern. Then compare the actual chassis and optical geometry in the installation documentation before removing the old projector.
If the current projector sits inside a protective housing, verify airflow and physical clearance too. A similar-looking cabinet is not enough evidence that the housing is appropriate.
Screen shape and resolution are separate questions
Many golf rooms use a taller screen than the projector's native 16:9 frame. On a 4:3 or square surface, decide whether you prefer a full-width widescreen image with unused height or a different active image format. Those choices affect the pixels used and the complete optical frame.
Check your simulation software's available output settings alongside the projector's screen-fitting options. Avoid assuming that every non-widescreen setup uses the full native resolution simply because the projector accepts that signal.
Compare impact screens and the room layout together. Replacing a screen and replacing a projector solve different problems, although sometimes an upgrade involves both.
Your computer is part of the upgrade
The AK700ST cannot create missing detail from a game rendered at a lower resolution merely by being a 4K display. The computer, software settings, output connection, and projector input need to work as a system.
Before budgeting for 4K, check the current requirements for your exact simulation software and launch monitor. Include the graphics settings you expect to use. A computer that meets minimum requirements for a basic session may not meet your expectations for a detailed, high-resolution course.
Review our simulator computer options as part of the same decision. Keep prices and included accessories in the product listings rather than relying on an old article's promotional price.
When to choose each model
The AH700ST deserves consideration when you want a well-planned 1080p practice setup and the savings protect budget for the hitting mat, enclosure, or computer. The AK700ST deserves consideration when detailed large-screen visuals matter to you and the rest of the system can supply an appropriate 4K signal.
Neither recommendation means that one model improves shot measurement. The launch monitor measures the strike; the projector displays the result. Spend according to the limitation you are trying to remove.
Frequently asked questions
Is the AK700ST brighter because it is 4K?
No. Both have the same published ANSI-lumen rating. Resolution and rated brightness describe different characteristics.
Can I leave all the existing settings unchanged?
Check resolution, refresh rate, screen format, focus, and alignment after installation. Do not assume an upgrade configures the entire system automatically.
Should a beginner automatically choose 1080p?
No. Skill level does not determine image preferences. Screen size, budget, room fit, and the intended use are more useful criteria.
Browse BenQ projectors at Indoor Golf Kit or use our home simulator setup guide to check the rest of your component list.


