Which 4K projectors have frame interpolation? - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 13 Old 05-23-2018, 06:35 PM - Thread Starter
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Which 4K projectors have frame interpolation?

Here’s what I’m looking for

4K (e shift is fine)
18gbps hdmi support
Frame interpolation
2000 lumens

Bonus
Lag under 50ms
1080p @120 hz


My living room is 18’ x 22’. Some ambient light. White walls.

Thanks in advance. There are so many new projectors! We need an excel sheet of a feature comparison or something.
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post #2 of 13 Old 05-23-2018, 07:35 PM
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The Optoma UHD65 is the only DLP with CFI under $3k but it has higher than 50ms lag and none that I know of officially support 1080p @ 120hz. The JVC rs420/440 is another with less than or around 50ms lag but its MSRP is above $3k but its been known to sell for a lot less.

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post #3 of 13 Old 05-24-2018, 11:06 AM - Thread Starter
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Quote:
Originally Posted by rekbones View Post
The Optoma UHD65 is the only DLP with CFI under $3k but it has higher than 50ms lag and none that I know of officially support 1080p @ 120hz. The JVC rs420/440 is another with less than or around 50ms lag but its MSRP is above $3k but its been known to sell for a lot less.
Thanks for the tip. Right now I’m leaning towards the Epson 4000.
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post #4 of 13 Old 05-24-2018, 07:05 PM
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The Epson 4000 has the limited 10gb HDMI and lower quality LCD panels so much poorer contrast compared to the 5040.

"Smart enough to know better, to old to care" ------ Dedicated Bat Cave Home Theater, JVC RS49U/Mitsubishi HC7900DW Projector, 110" 16:9 Jamestown screen with variable power masking for CIW 2.50:1 to 16:9, Marantz 7009 with 7.1.4 Atmos with Ohm mains,3 DIY Subs (2 15" (1 ported, 1 sealed and a 12" 4th order bandpass), 1 DIY butt kicker, Custom Built HTPC, 18TB DroboFS NAS
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post #5 of 13 Old 05-24-2018, 07:34 PM
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Quote:
Originally Posted by rekbones View Post
The Epson 4000 has the limited 10gb HDMI and lower quality LCD panels so much poorer contrast compared to the 5040.
Are you sure about the 10Gb/s input? The manual indicates that one input is HDMI 2.0 and the other is not. The HDMI 2.0 input is listed as supported 2160p/60 with HDR, which indicates full 18Gb/s compatibility.

I am with you on the contrast jump to the 5040 being a worthwhile thing to spend, but hadn't heard about the HDMI input being an issue.

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post #6 of 13 Old 05-25-2018, 10:44 AM
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Quote:
Originally Posted by rekbones View Post
The Optoma UHD65 is the only DLP with CFI under $3k but it has higher than 50ms lag and none that I know of officially support 1080p @ 120hz. The JVC rs420/440 is another with less than or around 50ms lag but its MSRP is above $3k but its been known to sell for a lot less.
The Acer V7850 has CFI.
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post #7 of 13 Old 05-25-2018, 12:08 PM
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Originally Posted by AV_Integrated View Post
Are you sure about the 10Gb/s input? The manual indicates that one input is HDMI 2.0 and the other is not. The HDMI 2.0 input is listed as supported 2160p/60 with HDR, which indicates full 18Gb/s compatibility.

I am with you on the contrast jump to the 5040 being a worthwhile thing to spend, but hadn't heard about the HDMI input being an issue.

Yep positive. Only 10gbs. 4k 60 will work but not with hdr on. Also frame interpolation will NOT work with a 4k feed. Iam happy with my 4000 but Epson needs a new projector out ASAP to keep up! Have to recommend the JVC right now for sure. Not outrageously more money (unless you are a heavy user then bulb pricing might scare you off)
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post #8 of 13 Old 05-25-2018, 02:04 PM
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Quote:
Originally Posted by yakapo View Post
Thanks for the tip. Right now I’m leaning towards the Epson 4000.
What gunlife said. The Epson 4000/5040ub have 4k enhancement and they have frame interpolation but unfortunately not at the same time-- CFI only works in plain old 1080p mode. Plus they lack 18Gbps HDMI inputs.


The Optoma UHD65 has CFI that works in 4K but it's input lag is really, really bad. The Optoma UHD51A, which also features CFI, is only slightly better in that department.


In the sub $3000 segment this is about it. JVC will sell you an X590R with all of your requirements save the 2000 lumens (the JVC is rated at 1800) for around $3300. Ironically, even the $5000 Sony 285ES with it's native 4K resolution won't meet your requirements as, like the Epsons, it lacks 18Gbps inputs.

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post #9 of 13 Old 05-25-2018, 07:53 PM - Thread Starter
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Originally Posted by DunMunro View Post
The Acer V7850 has CFI.
This looks like a better option for me... thanks.

Only negative is 1 year warranty
——

All of these DLP 4K UHD projectors, including the V7850 reviewed here, use a single Texas Instruments DLP (DMD) micro display chip with a native resolution of 2716 x 1528 pixels, which is 1/2 the number of pixels found in a true native 4K display (approx. 4M pixels vs. 8M pixels). Pixel shifting is then used to create a 4K image. This technique produces an image that is sharper, with more fine details, that what is possible with a standard 1080 HD projector, including 1080p models that also offer pixel shifting. In any case, this model is not a native 4K resolution projector, rather is it what we like to call a “FauxK” or “4K-lite” projector.

1/8/2018 UPDATE: The V7850 received our Special Interest Award for offering lower black levels and better performance on displaying dark scenes that does the closest competitor’s projector (i.e., the Optoma UHD65) that we have reviewed.
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post #10 of 13 Old 05-26-2018, 07:51 AM
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Quote:
Originally Posted by yakapo View Post
This looks like a better option for me... thanks.

Only negative is 1 year warranty
——

All of these DLP 4K UHD projectors, including the V7850 reviewed here, use a single Texas Instruments DLP (DMD) micro display chip with a native resolution of 2716 x 1528 pixels, which is 1/2 the number of pixels found in a true native 4K display (approx. 4M pixels vs. 8M pixels). Pixel shifting is then used to create a 4K image. This technique produces an image that is sharper, with more fine details, that what is possible with a standard 1080 HD projector, including 1080p models that also offer pixel shifting. In any case, this model is not a native 4K resolution projector, rather is it what we like to call a “FauxK” or “4K-lite” projector.

1/8/2018 UPDATE: The V7850 received our Special Interest Award for offering lower black levels and better performance on displaying dark scenes that does the closest competitor’s projector (i.e., the Optoma UHD65) that we have reviewed.
I absolutely hate that Art perpetuates the "FauxK" thing. It's bad for the industry and it confuses consumers. Call it what it is: pixel shifted 4K.

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post #11 of 13 Old 05-30-2018, 06:32 AM
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Originally Posted by gunlife View Post
Iam happy with my 4000 but Epson needs a new projector out ASAP to keep up!
I won't buy another projector until Epson releases a new one...with this much delay in a new one with 18GBPS I have a feeling something big is cooking. Either they're trying to force the LS10500 down into the under $5000 category and cutting a few corners, they're milking the 10500 for all its worth or, they're re-evaluating their bottom line to see if HT projectors are even making them any money.
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post #12 of 13 Old 05-30-2018, 08:23 AM
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I won't buy another projector until Epson releases a new one...with this much delay in a new one with 18GBPS I have a feeling something big is cooking. Either they're trying to force the LS10500 down into the under $5000 category and cutting a few corners, they're milking the 10500 for all its worth or, they're re-evaluating their bottom line to see if HT projectors are even making them any money.


Agreed 100% The best we can hope for is a 18gbps ls10500 for under 5k. Anyone thinking we will get true 4k panels is wishfully thinking. I would like to see the ls10500 down in price but with about 30% more brightness. That would be a very acceptable upgrade IMO.


Obviously Epson royally screwed up with the power supply issue on the 4000/5040. It very well may be the nail in the coffin for consumer grade projector releases. This would of course be horrible as we really need Epson to step it up for competition sake. Can you imagine the cost to overnight all these people projectors!!! They cant have that big of a markup!
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post #13 of 13 Old 05-30-2018, 08:34 AM
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