The catch
XGIMI Elfin Flip 4K
A shorter throw helps close to the screen. At 12 feet, though, a 120-inch picture takes digital shrinking or a nearer position. There is also no built-in battery.
Side by side
XGIMI Elfin Flip 4K vs XGIMI HORIZON 20: Elfin suits 9.5 ft for 120 inches, while HORIZON suits 12
Quick verdict
Elfin Flip 4K is the pick for regular room changes or a 120-inch picture from about 9.5 feet. HORIZON 20 is the pick for a 12-foot position, Dolby Vision or an offset shelf within its combined lens-shift limits. All distances are measured from the lens. Since HORIZON’s V1.4.163 update restores autofocus and image correction after lens shift, its older all-manual restriction should no longer decide this purchase.
Before you buy
Why, and what it costs you
Keeping a walkway clear may rule out the brighter projector
Picture a shared living room with a 120-inch screen that stays on the wall, and a projector table that has to be brought forward so people can walk behind it. With the lens 9.5 feet from the screen, Elfin can fill the screen optically, but HORIZON cannot reach that size from the same spot. Should the lens be able to sit at 12 feet, the answer flips for an optical 120-inch fit. First work out where the body and power cable can sit without getting in the way of the room, and pick the lens after that. A higher light-output claim on HORIZON can't make up for a picture its throw range is unable to produce.
Where this comes from
16:9 width is 120 × 16 / √337 = 104.59 inches, and distance = width × throw / 12. That gives 8.54 to 11.33 ft for Elfin and 10.46 to 13.07 ft for HORIZON. The image is assumed to be perpendicular, before digital correction, and some installation tolerance is still needed.
The catch
XGIMI HORIZON 20
The body weighs 4.8 kg. The full horizontal and vertical lens-shift limits cannot be used together, and the firmware notes do not confirm that eye protection is restored after shifting.
XGIMI Elfin Flip 4K
- Why pick it
- The room has to be cleared after watching, and you have a powered lens position around 9.5 feet from a 120-inch screen.
- You want the 1.55 kg folding body and are willing to darken the room instead of buying on the strength of the maximum brightness claim.
- The catch
- A shorter throw helps close to the screen. At 12 feet, though, a 120-inch picture takes digital shrinking or a nearer position. There is also no built-in battery.
XGIMI HORIZON 20
- Why pick it
- Around 12 feet is where your lens sits for a 120-inch picture, which is past Elfin’s optical range.
- You want Dolby Vision, or an offset installation that fits within the combined lens-shift limits, and you will check the installed firmware.
- The catch
- The body weighs 4.8 kg. The full horizontal and vertical lens-shift limits cannot be used together, and the firmware notes do not confirm that eye protection is restored after shifting.
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What this page compares
Shared rooms, side shelves and gaming: how Elfin Flip 4K and HORIZON 20 differ on real placement limits, firmware changes and what the 1 ms claims require.
There are two ways to get XGIMI 4K streaming into a living room. One is a small folding projector that you put away, the other a larger model that stays installed. Your furniture and viewing routine should settle it before the brightness headline does.
Which one fits
Pick the situations that sound like you
Hold 120 inches while the lens is about 9.5 feet away
The required optical throw is within Elfin's range. HORIZON would need the lens farther back or a smaller picture.
- XGIMI Elfin Flip 4K
- Better fit
- XGIMI HORIZON 20
- Not suitable
Lens about 12 feet away, picture still 120 inches
HORIZON fits optically, whereas Elfin would need digital shrinking or a nearer position.
- XGIMI Elfin Flip 4K
- Depends
- XGIMI HORIZON 20
- Better fit
Store the projector after every family movie
The 1.55 kg Elfin body folds. Both models still need power and a stable position.
- XGIMI Elfin Flip 4K
- Better fit
- XGIMI HORIZON 20
- Depends
Watch Dolby Vision movies off a compatible source
Dolby Vision is on HORIZON's list. Elfin’s documented formats are HDR10 and HLG.
- XGIMI Elfin Flip 4K
- Not suitable
- XGIMI HORIZON 20
- Better fit
Apply full horizontal and vertical shift at once
The two headline shift limits on HORIZON cannot both be used at the same time. Elfin has no optical shift equivalent.
- XGIMI Elfin Flip 4K
- Not suitable
- XGIMI HORIZON 20
- Not suitable
In practice
Differences you will notice
Keeping a walkway clear may rule out the brighter projector
Picture a shared living room with a 120-inch screen that stays on the wall, and a projector table that has to be brought forward so people can walk behind it. With the lens 9.5 feet from the screen, Elfin can fill the screen optically, but HORIZON cannot reach that size from the same spot. Should the lens be able to sit at 12 feet, the answer flips for an optical 120-inch fit. First work out where the body and power cable can sit without getting in the way of the room, and pick the lens after that. A higher light-output claim on HORIZON can't make up for a picture its throw range is unable to produce.
How we worked this out
16:9 width is 120 × 16 / √337 = 104.59 inches, and distance = width × throw / 12. That gives 8.54 to 11.33 ft for Elfin and 10.46 to 13.07 ft for HORIZON. The image is assumed to be perpendicular, before digital correction, and some installation tolerance is still needed.
Even with lens shift, a high shelf off to the side calls for two placement checks
A permanent shelf for HORIZON keeps its heavier body off the table. The catch is that the full 45 percent horizontal shift is available only when vertical shift is zero. A shelf that is high and also far to one side can go beyond the combined range, even if each headline figure looks like enough by itself. Since the V1.4.163 update restores autofocus and image correction after shifting, the old manual-focus penalty no longer applies. Elfin is easier to put away, but it deals with the problem differently, by tilting and digitally correcting the picture. With either model, keep the beam and cables away from where people normally walk and follow the eye-safety instructions. Having a sensor does not make it safe to look into the lens.
How we worked this out
This covers the placement consequences of the combined-axis limits and the newer release notes, and nothing more. It does not claim that either projector is childproof, pet-safe or certain to fit a given shelf.
Gaming from beside the sofa could cost you the advertised low-lag mode
Each 1 ms headline holds only with auto keystone turned off. If the one convenient gaming spot needs automatic correction, do not pick either projector on the strength of that number. HORIZON’s optical shift may let you line up the image without that correction, provided the installation stays within its limits. Elfin may be the better fit for a nearer table that is centered. The 1 ms claim for HORIZON applies at 1080p240 and for Elfin at 1080p120, so matching headlines do not mean a matching game experience. For 4K60, HORIZON publishes its own 3 ms condition.
How we worked this out
Mode restrictions combined with an off-center room and a gaming requirement that comes with conditions. No independent input-lag measurement or quantified keystone penalty is claimed.
Plug in your numbers
Will either projector work in your room?
This checks hard limits only. Personal preferences are left out of the math.
XGIMI Elfin Flip 4K
Works with your numbersFor a 120-inch 16:9 picture, the calculated lens range is about 8.54 to 11.33 ft. You entered 9.50 ft.
XGIMI HORIZON 20
Does not work with your numbersFor a 120-inch 16:9 picture, the calculated lens range is about 10.46 to 13.07 ft. You entered 9.50 ft.
Measure distance from the lens to the screen. The math assumes a 16:9 picture and uses the verified throw range for each exact model.
Option A
XGIMI, Elfin Flip 4K
Elfin Flip 4K
The room has to be cleared after watching, and you have a powered lens position around 9.5 feet from a 120-inch screen.
- Best for
- The room has to be cleared after watching, and you have a powered lens position around 9.5 feet from a 120-inch screen.
Facts we checked
- 120-inch 16:9 optical distance: About 8.5 to 11.3 feet
- Changing room after dinner: 1.55 kg body with folding stand
- High shelf away from the center: Tilt and digital image correction
- Autofocus after optical shift: Autofocus, without HORIZON’s optical-shift mechanism
Option B
XGIMI, XR13A
HORIZON 20
Around 12 feet is where your lens sits for a 120-inch picture, which is past Elfin’s optical range.
- Best for
- Around 12 feet is where your lens sits for a 120-inch picture, which is past Elfin’s optical range.
Facts we checked
- 120-inch 16:9 optical distance: About 10.5 to 13.1 feet
- Changing room after dinner: 4.8 kg body with adjustable stand
- High shelf away from the center: Optical lens shift, with full horizontal range only at zero vertical shift
- Autofocus after optical shift: Added by V1.4.163 after lens shift
Spec by spec
Where they really differ
| Spec | XGIMI Elfin Flip 4K | XGIMI HORIZON 20 | In practice |
|---|---|---|---|
| 120-inch 16:9 optical distance | About 8.5 to 11.3 feet | About 10.5 to 13.1 feet | Elfin suits a 9.5-foot table and HORIZON suits a 12-foot shelf. Both distances refer to the lens, before any digital correction. |
| Changing room after dinner | 1.55 kg body with folding stand | 4.8 kg body with adjustable stand | The body you carry is about 3.25 kg lighter with Elfin. Power cables and accessories still have to be carried separately. |
| High shelf away from the center | Tilt and digital image correction | Optical lens shift, with full horizontal range only at zero vertical shift | A high side corner still needs a combined-axis check, though HORIZON gives you an additional placement option. |
| Autofocus after optical shift | Autofocus, without HORIZON’s optical-shift mechanism | Added by V1.4.163 after lens shift | For autofocus and image correction, the older blanket restriction no longer applies. Each of the other functions needs its own check. |
| Fast gaming conditions | 1 ms at 1080p120, VRR on, auto keystone off | 1 ms at 1080p240 or 3 ms at 4K60, VRR on, auto keystone off | A claim only holds when the resolution, refresh rate and correction mode match it. |
| HDR and output claims | HDR10 and HLG, 1,600 ISO lumens | Dolby Vision and HDR10+, 3,200 ISO lumens | Which HDR formats are supported can settle a movie setup. The lumen claims are not matched, calibrated-room measurements. |
Trade-offs
What each pick costs you
With XGIMI Elfin Flip 4K
- To get the 1 ms headline you need 1080p120, Game Mode, VRR on and auto keystone off. It does not promise low lag at 4K from any side table.
With XGIMI HORIZON 20
- A high-output test mode, which can change fan noise and color, is the source of the 3,200 ISO rating. It does not promise twice the usable brightness in the movie mode you pick.
Change of plan
When the answer changes
The 120-inch picture has to be projected from 9.5 feet
Go with XGIMI Elfin Flip 4K. That optical position is within Elfin's range and outside HORIZON's.
The priority is either a 12-foot optical installation or Dolby Vision
Go with XGIMI HORIZON 20. HORIZON offers both routes, once its placement and source requirements are checked.
A side table has to keep automatic keystone and still deliver the advertised 1 ms result
Neither model fits. Auto keystone must be off for either 1 ms claim.
Decision guide
Before you buy
The goal is a big movie picture with no projector left in the family’s walking space. Moving the lens toward the wall can fix the floor problem, but then the larger HORIZON may no longer fill the screen.
What this page can’t tell you
- Distances are geometry estimates for 16:9 and are not a guaranteed installation survey.
- A matched test of brightness, noise, contrast or latency was not carried out. Peak operating modes may not be right for regular viewing.
By the numbers
What the data shows
What we found across the home projectors we compare, plus the checked facts behind each finding.
Show the facts and the math
| Product | Needs it meets | Facts we checked | Sources |
|---|---|---|---|
| XGIMI Elfin Flip 4K |
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| XGIMI HORIZON 20 |
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Ready to buy
See today’s price and what owners say
Open either model on Amazon for the current price, customer reviews and delivery options.
XGIMI Elfin Flip 4K
The room has to be cleared after watching, and you have a powered lens position around 9.5 feet from a 120-inch screen.
You want the 1.55 kg folding body and are willing to darken the room instead of buying on the strength of the maximum brightness claim.
See price & reviews on AmazonXGIMI HORIZON 20
Around 12 feet is where your lens sits for a 120-inch picture, which is past Elfin’s optical range.
You want Dolby Vision, or an offset installation that fits within the combined lens-shift limits, and you will check the installed firmware.
See price & reviews on AmazonEach link opens in a new tab.
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