Productivity Ultrawide (34″ QHD)

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Buying a monitor? Please refer to this post before purchasing.

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    If the monitor is running correctly in its 3440 x 1440 resolution and 21:9 aspect ratio there shouldn’t be any particular issue with text clarity. As with the 346B1C, the monitor shouldn’t have any issues with its subpixels that would have a major negative impact on text clarity. I would say you’re probably just seeing the impact of a significantly lower pixel density than your Mac screen and that isn’t something a 3440 x 1440 IPS UltraWide would solve. But the fact you seemed to prefer the representation of text on a 32″ Full HD monitor as well leaves me scratching my head to be honest. I’m not sure if it’s perhaps a slightly different sharpness algorithm setting you’re not getting on with (you can adjust ‘Sharpness’ on the Philips, this may or may not help). Or you’re not getting on with the screen surface perhaps? Or possibly (but unlikely) you’re not getting on with the curve. Does it matter if the text is observed right in the middle of the screen vs. close to the edge?

    Per the review of the other Philips model: “The USB hub default setting of USB C input for this monitor is “USB 3.2”. The resolution supported by USB 3.2 is 3440 x 1440 @ 60 Hz. When user switches to USB 2.0, the resolution supported will be 3440 x 1440 @ 100 Hz.” Perhaps the 346E2CUAE has this same bandwidth limitation if you’re trying to use USB 3.2 at the same time as a 3440 x 1440 @100Hz signal. But when you say “On my mac display I cannot go beyond the 60hz display setting” do you mean the screen of your Mac won’t go beyond 60Hz or the Philips monitor when connected to the Mac? Your Mac has a 60Hz display, it can’t go beyond that regardless of the capability of the monitor you’ve connected to the sytstem.



    Amazing thread!

    I’m also considering a 34″ IPS 3440×1440 monitor. I’d like it to have at least 75Hz, and vesa support. Some anti-glare and brightness are a must, since during the day it will be in a very sunny room (with a big window at 90º to it). I sometimes use a similar sized monitor with a slight curvature (an “older” LG 34UC97-S) and I like it, I don’t know how if either a flat one or one with a more noticeable curvature would look/feel that much different or not.

    Considering the price range I’m looking at I’m assuming the panel will always be the same, with the same colour gamut and accuracy.

    The LG 34WN750-B is one of the options I’m considering, but I read too many people saying they can’t get 75Hz. Is it a limitation of the connection/cable they might be using?

    The Acer Nitro XV340CKP looks great also, but locally is more expensive than the other options. But it’s being considered in case I find it on a sale or refurbished.

    The Philips E Line 345E2AE/00 has an amazing price but it seems to be out of stock in most places.

    Anyway, I’m open to opinions and would love to know if in the last months either of these got better (or worse) feedback than the others, or if there’s a new player in town or other options I missed.

    I also wanted to double-check what cables and connections I should use to get the most of what each monitor has to offer (atm I have a GTX 1650 Super).



    I’m glad you like the thread, jcml.

    I think you’ve selected some good models there. The Acer XV340CK P would still be a key recommendation, but you’re right that the price and availability would affect that. It seems to be priced much better in the US than in Europe, for example. And if you’re used to a curved monitor (even mildly curved) then perhaps it would be better top opt for a something curved. But you may well adapt either way. The Philips 345E2AE uses the 75Hz version of that panel (CELL – panel minus backlight) and includes a wide gamut backlight. So it’s actually quite an interesting model if you like vibrant colour output as well.

    I’m not sure why the 34WN750 wouldn’t work at 75Hz for some people. It is listed as a supported resolution via both HDMI and DP, but that may well require a newer GPU port controller than some people were using. It isn’t always a straightforward question of bandwidth, even though it theoretically should be supported by older port revisions that may not be the case. The GTX 1650 Super is new enough to include DP 1.4 and HDMI 2.0 – with relatively new port controllers. If that doesn’t work at 3440 x 1440 @75Hz on the LG I really don’t know what would. 🙂


    Thanks for the reply.

    I found a good refurbished option for the Acer Nitro XV340CKP, but I read that its brightness can be too low for some bright rooms, so it might not be a good option for me.

    The Philips E Line 345E2AE/00 is slightly brighter but is still hard to find, and I also read that some people had trouble synchronizing Nvidia cards with it (I never had to deal with Freesync or Gsync so I have no idea how the setup works) or emulating sRGB color mode.

    I read some people saying that, if the viewing angles are not an issue, the new Samsung VA panels can have amazing colors and be a good option if the user is not dealing with color-critical operations. What’s your experience with the 34” 3440×1440 144Hz 1500R Curved Samsung VA Panel?

    I also realized that I should stop wanting to check every box. Enough brightness, a good contrast and good, real looking colors are a must, some extra Hz also. Perfect colors and Freesync/Gsync are just a plus.


    What is your current monitor and what do you have the brightness set to? Everybody has their own preferences when it comes to brightness, some like things very dim and others very bright. Most users sit in the middle and will set their monitor to 100 – 200 cd/m², so the 250 cd/m² of the XV340CK P should would be more than adequate in most cases. And that would include in a room that’s moderately bright. If you like to sit in a sun-flooded room and usually crank your monitor brightness way up then yes, it would probably be a bit limited.

    I’ve shared my very extensive experiences with a 34″ 3440 x 1440 144Hz Samsung SVA panel in the AOC CU34G2X review. That and the accompanying video review will give you an excellent idea of what to expect from all aspects of such a monitor, both positive and negative. Don’t fall into the trap of thinking strong viewing angle performance will only apply when you’re sitting off-centre from the monitor. Not the case at all and that’s what discussions of gamma and colour consistency in this thread, that review and our panel types article relate to. The 34″ Samsung SVA panel used in the likes of the CU34G2X is not bad at all in that respect. But there are still losses of saturation peripherally and shifts in gamma (and hence detail level in dark areas) that wouldn’t apply on IPS models.


    Thanks again for the reply.

    I tend to like having the monitor at a low brightness and crank it up when the room is bright and/or when I’m watching something that has dark scenes.

    I’m currently at a room which is bright, but in some months I’ll move into a room which is going to be even brighter.

    At the moment I’m using an Asus PB27UQ but I was using for a long time a Dell S2718D. My complaints were the low contrast and the occasional glare, but I really love the colors in these non matte screens. The maximum brightness was enough for most/all situations. In the Asus I dislike not being able to lower or increase the brightness in the more aggressive blue light filter mode.

    My dream monitor would be the LG 38WN95C, but it’s sold out and expensive. And I read that some people have been getting units with issues. Next would be the LG 34GN850-B, but I dislike the gaming look.

    For any other monitor I’m “compromising”, so I’d look for something way cheaper. Maybe I should wait to see what happens in some months. But I like to pick something out in case my monitor stops working or I feel I need a wider screen at home (I love having the extra room with the ultra wide at work). Or if I find a great deal for it.

    I’ll check out the review and article!


    What about mounting the 34GN850 to a different stand? The screen itself is quite minimalistic, assuming the rear is just facing a wall and you don’t see that.


    That’s a good idea. I’ll keep a look out for stock and deals.


    jcml, another thing to consider is that LG’s 34GP83A is virtually identical as far as specs go to the 34GN850. I’ve recently learned it only supports 85Hz over HDMI, which explains why I could never set it higher than that. I owned this monitor but had to send it back due to instability with the displayport. It’s such a rare issue, one I haven’t seen crop up in any reviews since, that I’d recommend this model. I’m still considering whether I’ll buy it again or wait to see what comes out this year. LG does have a replacement that was featured at CES in January, however, it’s G-Sync instead of FreeSync. There’s also no release date as of yet. LG is so slow with this, in a normal year, I’m not sure if it’d be worth holding out for. 38-inch models are hard to get, selling for more than MSRP in many cases, and really require some powerful hardware to drive them. With that in mind, you might want to wait for LG’s 40-inch model, also slated to come out sometime in 2021. It’s supposed to go for around $2,000 USD, which might be too expensive. It also lacks a high refresh rate and likely won’t be geared toward gamers.

    That’s my 2 cents anyway. My dream at this point would be a 40-inch OLED in that same ultrawide form factor. It’s supposed to be as tall as a 32-inch monitor but 33% wider. OLED is slowly coming to the monitor arena. So we’ll see. Or someone will. I don’t think I’ll ever have that kind of money.


    Hi, in my opinion this is one of the best forums to ask for advice on monitors. As soon as I read some comments I decided to sign up.

    I’m looking for an ultrawide 34 “monitor for simple use: surfing the internet, word, excel, video and some games (I have a Rx 580 8 GB).
    I thought about discarding curved monitors because I will never use the monitor to watch movies. Also, curved monitors up to $ 500 are all “VA” types.
    So I am looking for an IPS monitor, flat, possibly 144 Hz. I would have identified these two solutions, both sold on amazon:

    Iiyama GB3461WQSU

    Acer Nitro XV340CKP

    Can I save with the Iiyama or do I have to buy the Acer XV340CKP?
    Are there any other monitors I need to consider?


    Hi senzaparole,

    I’ve merged your thread with this one as it’s a suitable place. Although you have a little gaming mixed in, your uses are primarily productivity focused. And importantly, both models are discussed here. In particular you should find this post useful. The Acer XV340CK P is my recommendation whereas I can’t specifically recommend the Iiyama. They do use the same panel so I wouldn’t expect the Iiyama to be ‘bad’, but it’s difficult to recommend given that I haven’t really received much user feedback on it. And the feedback I have received has been pretty mixed and generally less positive than the Acer. It doesn’t seem to be calibrated as well and pixel response tuning is perhaps a bit weaker, but I appreciate it is significantly cheaper as well and it may get the job done for your uses!


    ok … then I delete the Iiyama. They should have the same panel but I have read about many people who have complained.

    Last indecision:


    AOC CU34G2X

    The AOC has a curved VA panel … Should I take that into consideration? I’m afraid of losing visual comfort


    Apples to oranges really. Viewing comfort is a very personal thing, individual preferences and sensitivities are important as covered in our article on the topic. Some would find the Acer more comfortable with its flat IPS panel, whereas others would find the AOC more comfortable. I’m afraid there’s no right or wrong answer. In fact I’ve received plenty of positive feedback about the AOC and similar models for productivity and light gaming. The curve is easy to adapt to and quite natural-feeling in my view, as I mention in the review.


    I’m actually a bit confused. 🙂

    Excluding the curvature which of the two monitors do you think is better for me (AOC or ACER)?

    p.s. I have read that you also own a RX 580 GB. For older games, does the RX 580 manage to maintain the resolution of 3440×1440 by lowering all the details?


    As I said, there’s no right or wrong answer. It’s too subjective and the monitors are too different. Neither is ‘better’ for you, it depends on your own preferences. I’ve gone through some of the key characteristics earlier in this thread to have in mind when comparing the two panel types. 🙂 With the Acer, you get a flat IPS panel with ~sRGB colour gamut. With the AOC you’ve got a curved VA model with wider gamut (~88% DCI-P3, refer to review). The Acer offers stronger colour consistency and pixel responsiveness, but weaker contrast and it lacks the curve. Some would prefer one, some the other as they’re distinctly different but each have their advantages – apples to oranges, as I said.

    The RX 580 can’t maintain a solid 144fps easily at all at 3440 x 1440. Although when you say ‘older games’ then perhaps it can there. I don’t play such titles myself and I’m not a GPU reviewer, nor do I spend much time using the RX 580. Beyond the testing of FreeSync and AMD-specific features in reviews. You could perhaps consider the AOC CU34G2 instead, without the ‘X’. It’s limited to 100Hz and lacks HDR capabilities. Not that the HDR capability of the CU34G2X is anything to shout about or that you’d have much if any use for.

    But the CU34G2 is cheaper, arguably more suited to your GPU and the pixel response capabilities of the monitor. Most people would consider it just fine for productivity and that’s your key focus. Just as I would recommend the Philips 346E2CUAE to people with a productivity-focus, especially if they want a greater selection of ports (including some USB-C functionality). I’ve done so to several by email in fact and the feedback has been very positive. Unfortunately none of that was shared on this thread.


    Hi thank you very much for your valuable suggestions.
    I would like to buy the monitor and keep it at least 10 years. So the fact that the RX 580 can’t take advantage of 144Hz isn’t a problem. When video card prices come back reasonable I will buy an RX 5700 XT or an RX 6800 XT.

    I have read your answer carefully, I would like the following clarifications:

    1. Is the ACER XV340CKP IPS panel to be considered an entry level IPS? (I currently have a Dell IPS Dell U2312HM )

    2. I have read that the AOC CU34G2X , in some situations, shows the flicker of the monitor .. When the manufacturer instead declares the panel flicker free. Can you tell me if the ACER XV340CKP also has the flicker problem in some situations? I often find myself reading the monitor for many hours!

    p.s. by clicking on your links I am redirected to Amazon Italy. Do I still help you to support your work?


    1) The Acer XV340CK P is largely comparable in terms of its image output to your current Dell. But offers a slightly lighter and less grainy screen surface, is flicker free and considerably more responsive. Plus offers a higher pixel density and resolution. It should hopefully feel like a natural upgrade without feeling too unfamiliar.

    2) The flicker only occurs with Adaptive-Sync active on the AOC as described in the review. It isn’t a more general issue, the monitor is ‘flicker-free’ as advertised. The flickering in a VRR (Variable Refresh Rate) environment is due to voltage sensitivity with its VA panel and this is common on VA models. The XV340CK P doesn’t have this issue.

    I understand your point about wanting some headroom with refresh rate for when you upgrade your GPU in the future, that makes sense. The links will redirect you to your local Amazon and that will still help support the work – thanks for checking this. 🙂


    Thanks again for all the information you are giving me.

    I was convinced to buy the ACER XV340CKP but I saw this video:

    LG 34GK950F(LEFT) vs MSI MAG341CQ(RIGHT)

    and I re-evaluated the AOC CU34G2X.

    I like the vivid colors of the VA panel. Furthermore, that LG is a Nano IPS and is therefore an IPS panel superior to that of the ACER which remains an entry level. So the ACER XV340CKP can only make the colors worse than that LG.
    Regarding the AOC CU34G2X:

    1. ghosting and smearing problems should be minimal on this panel. Don’t you agree?
    2. I have an AMD video card. Does flicker only occur with FreeSync enabled and below 48 FPS? For a normal use of the monitor (for example surfing the internet), even with FreeSync left on by mistake, I won’t notice any flickering?
    3. Curiosity: the flicker is detected by taking a photo or a video on the monitor .. if there are bands on the photo then the flicker is in progress. Correct?
    4. When I’ll get the monitor, to compare my Dell U2312HM with the new monitor, is it a good idea to connect both of them to my video card and enable duplicate monitor in windows settings? So while I’m playing, playing videos or photos I can make a comparison between the two.

    In conclusion I find the Acer excellent for gaming but not so good for the rest of the activities due to the poor contrast and the colors not vivid. Low light is not a problem because I am 3 meters away from the window. I am usually used to keeping the brightness of my monitors low.

    The AOC CU34G2X instead I see it more performing for productivity for more vivid colors and better contrast. This makes it great for viewing in a few light. I often look at the monitor in a few light. The AOC is not as responsive as the Acer with games but I call myself a casual player and I can accept bugs as long as they are minimal. I also like shooter games but I don’t care about competitiveness. I always play in single player mode.
    The question remains that the AOC CU34G2X has curvature, but your personal considerations on the goodness of the curve intrigued me to try it.
    I like to see vivid and bright colors. At home I have an TV LG OLED B9 65″ that I see 2 meters away!
    I would not want to disfigure excessively and I do not pretend to buy a monitor comparable to an OLED.

    After all my personal information and considerations, who wins the ACER vs AOC comparison?


    I’m afraid that comparison is of limited use and is misleading you. There is no reference to how the monitors are set up and you could easily reverse the apparent result by adjusting the setup. It looks like the LG’s gamma might be set too low and/or the MSI’s too high. The colour temperature is different and in fact the brightness of boths screens appears to be set completely differently, with the MSI dimmer and therefore appearing ‘deeper’ and more vivid to you and the LG appearing to over-brighten shades by comparison. Side by side comparisons like that are of very limited value, it is showing there is ‘a difference’ but it does not show the exact nature of the difference. You’re ultimately just seeing the camera’s interpretation of two different models, setup differently and not accurately captured. Then outputted on the display you’re viewing the video on.

    When it comes to overall vibrancy there’s really no contest – the LG 34GK950F is superior. It has a wider colour gamut than the MSI (135% sRGB vs. 110% sRGB) and superior colour consistency. I will again direct you to our panel types article if you want to learn more about the concept of colour consistency. That has some accurate/representative comparisons which show what these panels look like from a normal viewing distance. The weaknesses on the VA are not adequately captured in that video because the camera is too far away. I’d also recommend you spend some time reading the colour reproduction section of the CU34G2X review which goes through this in detail with specific examples. Unfortunately the review came before we implemented the SpyderCHECKR 24 system, but the example used in the panel types article is from the AOC PD27. Which uses the same panel technology, is a similar height and has a similar colour gamut, so will give you an excellent idea of how the CU34G2X would perform in that respect. In fact I’ll post the photo and example in question below. Notice how a given shade displayed at the top vs. bottom of the screen differs. Compare to the printed sheet which is what the shade should look like, so you can also see some of that extra saturation and vibrancy from the generous gamut but more so further up the screen. Full explanation of this test and how to interpret it in the relevant section of the PD27 review, from which the photo was taken.

    SpyderCHECKR 24 PD27

    The colour gamut of the AOC is indeed wider than the Acer. So the AOC does still have an edge in that respect. The Acer is more similar to your current Dell, if you want an uplift in saturation and a more vivid look is appealing to you vs. that then perhaps the AOC would be the way to go. But you need to again be aware of colour consistency. I can’t stress this enough, I spend a lot of time reinforcing these points in reviews for good reason! Now onto your questions:

    1) This is covered in detail in the review. There are certainly weaknesses to be aware of on the AOC as with any comparable VA model. Whether you’ll notice those or find them problematic is another thing entirely. Most users I find enjoy the upgrade in refresh rate and understand that the weaknesses in pixel responsiveness is part of the package. Something that needs to be accepted, really. All models have their weaknesses and that is a key weakness with the AOC, there’s no way around that.

    2) As noted in the review the flickering was really a key issue with the AMD GPU when the frame rate crossed or fell below that LFC boundary of 48Hz. There was more minor flickering when the frame rate fluctuated a lot. This shouldn’t happen when you’re on the desktop, such as browsing the internet or watching video content.

    3) It depends on how the camera filters things. Moiré is a common issue when photographing or videoing a monitor, especially close up. This causes little curvy lines or patterns on the image but not distinct straight bands. The flickering you get in a VRR environment (e.g. using FreeSync) is momentary and comes in bursts which may or may not be apparent on a photo or video. It isn’t a continuous and predictable flicker like PWM or a strobe backlight which would cause flowing bands in some photos or videos, it’s a sudden momentary brightness change.

    4) You can do that, yes. But unless your Dell is well-calibrated accept that you will notice some differences on the new monitor (colour temperature, gamma etc.) that will take some getting used to. Don’t fall into the trap of thinking the monitor has a tint this way or that way just because the Dell looks different and that’s what you’re used to. Also make sure you sit quite centrally to the new monitor rather than trying to judge it off to the side. This is particularly important if you go the VA route for colour consistency and viewing angle reasons mentioned earlier.


    Thank you very much!

    I have one final final doubt.
    Between apples, oranges and bananas .. 🙂

    Am I right not to consider 32 “16: 9 2160p or 1440p monitors? 32” 16: 9 monitors cost less and have a slightly larger surface area than 34 “21: 9.

    I apologize for the confusion .. but I have this final doubt before the purchase.

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