Just Received my Acer XB273K 4k 144hz HDR Monitor - Overclock.net - An Overclocking Community

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Just Received my Acer XB273K 4k 144hz HDR Monitor

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post #1 of 72 (permalink) Old 03-05-2019, 11:27 AM - Thread Starter
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Just Received my Acer XB273K 4k 144hz HDR Monitor

And it is Glorious

Im coming from an Asus PG279Q which developed several panel faults. Needed a new screen that could handle my photography (So i needed color accuracy) and gaming. So I ended up sort of looking at HDR displays because in general they have better quality panels anyways (HDR without any kind of local dimming is kind of pointless)

Was not interested in another Asus, Ive had so many Asus monitors that were defective out of the box or otherwise not up to standard and the PG279Q has killed me wanting to give them another shot right now.

Since there does not seem to be a whole ton of info on this one out there right now I figured I'd start up a thread and share everything I find on it since its also fairly new.

So far, I've set it up, calibrated it to 120 cd/m using my Spyder5 (Which for the record, it tests out at about 80% Adobe RGB coverage and well above sRGB, which is great, I cannot test for DCI-P3 unfortunately) and watched some HDR videos plus played a little Battlefield V

It does have some kind of backlight dimming in it, but its not full array, Ive not used it enough but id guess its some kind of zone dimming, It does, however, appear to make a pretty good appreciable difference to the IQ in SDR mode

Uniformity is pretty good so far, I noticed an issue in BFV but it might have been BFV given i have not seen it other places. Literally had it for a few hours now so im still testing and ETC

In windows everything is EXTREMELY clear looking, VERY good AG coating, Text is very sharp and readable (Well it IS 4k). Id say this is maybe closer to a semigloss or not as matte as the 279 or other IPS panels ive had.

Let me know if you guys can think of anything you want, And of course, a couple pictures

Motion handling is very nice
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post #2 of 72 (permalink) Old 03-05-2019, 12:33 PM
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Any compromises required for 4k144hz?

From what I understand the $899 XV273K uses two DVI cables to reach [email protected] (unless I am mistaken and am thinking of a different monitor). Would really like to see how these high-refresh 4k panels that do not come with the gsync module perform when connected to a nvidia GPU, I have been eyeballing one of these monitors but the reality is that my 34" ultrawide offers such a nice range of view that I don't know if I could go back to 16:9 even with higher refresh/resolution. Ideally there will be monitors in ~2160x5160 resolution supporting 144hz+ soon enough.

But still, does the response times seem any faster than the PG279Q? That's the monitor I had before my Alienware.

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post #3 of 72 (permalink) Old 03-05-2019, 02:43 PM - Thread Starter
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Quote: Originally Posted by anticommon View Post
Any compromises required for 4k144hz?

From what I understand the $899 XV273K uses two DVI cables to reach [email protected] (unless I am mistaken and am thinking of a different monitor). Would really like to see how these high-refresh 4k panels that do not come with the gsync module perform when connected to a nvidia GPU, I have been eyeballing one of these monitors but the reality is that my 34" ultrawide offers such a nice range of view that I don't know if I could go back to 16:9 even with higher refresh/resolution. Ideally there will be monitors in ~2160x5160 resolution supporting 144hz+ soon enough.

But still, does the response times seem any faster than the PG279Q? That's the monitor I had before my Alienware.
My understanding is to use 144hz i have to OC it and then you're limited to 4:2:2 Chroma, I'm at 120hz right now 4:4:4 and no issues because I'm willing to sacrifice the extra 24hz for 4:4:4 lol, the 10 bit panel doesnt have any signs of banding anywhere either which is really lovely.

The XV does have some other differences as far as i can tell, i looked into that one first but then found one review on this one at Tom's where it mentions the XB has some form of dimming.. And it does work to improve contrast.. it definitely has a lot deeper blacks and more depth to the image overall than the PG279Q, but the XV can do the 144hz using 2 DP cables and sacrifice Freesync. Now for all i know the XV might also have the same backlight and everything, but I dont 100% know this, I just know the XB says it has it and I couldn't find it stated either way on the XV. I'd say this IPS looks very very close to a VA panel in terms of shadow/black level, but with the color and viewing angles of an IPS, but im not really able to concretely test this, its definitely one of the best IPS-type panels ive ever seen

I also know some of the other monitors that are 4k and high refresh apparently cannot take high refresh at lower than 4k resolution, this one can, So i can easily go to 1440p if i REALLY desperately want high framerates, but the truth is when i want those really high framerates its usually something like League of Legends which will do 4k 120 all day on a potato. Overwatch goes along at 100fps solid

Motion is very silky smooth. The response feels about the same as the PG279Q, The only difference is, obviously, i cant run as many things at 100+ FPS anymore.. But I still get a really good 70+ in many things without sacrifice on my 1080 Ti and thats acceptable to me for the other things the screen offers

I did actually consider going the ultrawide route, but i was unsure on the curve with my photography and correcting distortion and etc. That was about the only other option to achieve a good color range plus higher than 60 refresh plus some form of adaptive sync solution (GSync or Freesync), I couldn't wait anymore for the Razer Raptor which looked quite interesting and this seemed like the best option i could do right now.

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post #4 of 72 (permalink) Old 03-06-2019, 10:11 AM
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Hello ca run it at 4k 144hz gsync hdr?

or 4k 120hz gsync without hdr?n you

Whats the best you can get out of it?
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post #5 of 72 (permalink) Old 03-10-2019, 10:41 PM
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I just got mine today and this is one beautiful display. I got it for $999.99 at Microcenter. It’s 144hz (single included DP cable required) 4K with G-Sync and HDR 400. It’s aboskuely stunning. It’s extremely smooth during games with no noticeable motion blur. I’m driving it with my 9900K and 2080 Ti Hybrid AIO and it’s smooth as butter in BFV. At 4K medium settings I see around 120fps average.

I didn’t use HDR much other than to watch a YouTube video for a few minutes. No backlight bleed that I could see.

It’s 120hz out of box but all you need to do is select 144hz from the OSD, reboot and it’s 144hz no issues.
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post #6 of 72 (permalink) Old 03-12-2019, 03:27 PM
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I understand to use gsync compatible mode you are limited to 120hz since 144hz needs double dp cables and in that case you are giving up gsync right ?
Looking for a new monitor right now and this has caught my eye, only problem is my regular RTX 2080 would struggle and 27" + 4k is not a good match without scaling.
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post #7 of 72 (permalink) Old 03-12-2019, 04:04 PM
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how in Gods name are you gonna be able to drive 4K 144 with a 1080 Ti

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post #8 of 72 (permalink) Old 03-12-2019, 04:40 PM
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Any brave souls want to compare one of these to the X27? This seems like an interesting alternative, especially at half the price

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post #9 of 72 (permalink) Old 03-12-2019, 07:45 PM
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Quote: Originally Posted by outofmyheadyo View Post
I understand to use gsync compatible mode you are limited to 120hz since 144hz needs double dp cables and in that case you are giving up gsync right ?
Looking for a new monitor right now and this has caught my eye, only problem is my regular RTX 2080 would struggle and 27" + 4k is not a good match without scaling.
No it works at 144Hz with Gsync with a single DP cable. I’ll do more extensive testing tomorrow morning when I get home. I only had a few hours with it last weekend but plan to do extensive testing Over the next few days.
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post #10 of 72 (permalink) Old 03-12-2019, 08:11 PM
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Isn't it the same as before?

SDR 144Hz = 4:2:2
SDR 120Hz = 4:4:4
HDR = 98Hz

Something like that. All thanks to the inferior Gsync module that costs a fortune.
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