March 27, 2017 at 7:15 pm #42334
I have moved your post to this thread as you are asking for a comparison rather than simply focussing on one model. And I’ve already shared some thoughts on how the AOC AG352UCG compares to some of the other models here. A few points:
– The HP Omen X35 and AOC AG352UCG do not use the same panel, they use different variants of a very similar panel. The curvature is exactly the same (even though AOC chooses to specify it differently to HP) as this is related to the panel itself and does not change between monitors or in this case very similar variants of the same panel. Unlike the Samsung, which does have a steeper curvature and this is one of its key ‘selling points’ for some users.
– Most of the feedback I’ve received regarding the C34F791 has been very positive. There is a lot more feedback on that model than the Omen, and it is far too early and outlandish to claim that the quality control is bad on the Samsung and good on the Omen. From the return rate of CF791s purchased by kind users who have used our links, I can say that this is not something I would be concerned about on the Samsung. With Amazon Italy’s returns policy (I assume you would be using them and supporting our website?) there should be peace of mind in that respect anyway.
– I’ve already commented on this indirectly, by comparing the Samsung and the ASUS MX34VQ. Which you should also be closely considering.
– User feedback suggests that the pixel overdrive on the Omen is poorly configured regardless of setting. Either with obvious trailing (beyond what you’d see on the AOC with its optimal setting) or obvious overshoot (again beyond what you’d see on the AOC). If you feel you could do without G-SYNC, and with the GPUs you’re considering in the future you probably can, then really your choice should be between the Samsung and ASUS instead.March 27, 2017 at 8:32 pm #42339
Many thanks about the detailed answer. But let me ask you some more details.
You said that the omen and the agon don’t share the same panel. I thought the only differences were the curvature (isn’t the omen 1800R and the Agon 2000R?) and the borderless design od the Omen.
From the pictures posted from users i saw i can’t distinguish the curve angle, but how they stated 2 different sizes for the same thing with the same unit of misure?
You find that the overdrive is better on Asus and Samsung panel compared to the agon?
I also noticed on the Agon a scanline problem with gsync in a review and of course, the classic adaptive sync flicker.
Second, you speak about the input lag in the asus thread. Do you think it will be a problem? And how the samsung’s color are compared to the agon panel?
Did you find the “issues” you had with the cf791 less annoying than the flaws of the agon’s panel?
Just to give you a little hint about the input lag tolerance, i currently have an Asus vn279qlb overclocked to 75hz, and i use the vsync (or what nvidia call Adaptive Sync from Control Panel) in nearly every game and i can’t notice the input lag. No game like quake, counter strike or overwatch. Maybe some casual battlefield like shooters. Mostly game like Batman series, the witcher, mass effect, crysis, total war and so on.
Thanks a lot fot your patience 🙂
PS not to be annoying with a question you already answered thousand times. But i’m assuming that the flicker issue is no longer an issue like you saw on reddit at the beginning and it is the same adaptive sync flicker that all freesync monitor (and gsync of course) have, isn’t it? Maybe samsung silently updated the firmware in the newer units released?March 27, 2017 at 9:02 pm #42340
The panel curvature is probably some way between 1800R and 2000R in reality, for both models. Or perhaps varies slightly between units. AOC America even initially quoted 1800 – 2000R. Or perhaps still do. Anyway, discussing this is is waste of time, because the difference between 1800R and 2000R would be negligible in reality.
The AGON does NOT have a particular issue with “scanlines”. More correctly called interlace pattern artifacts. And they are covered in the review. There were really no noteworthy issues in that regard on the AOC.
I have quite clearly stated my stance on input lag in the thread you refer to and don’t see what more I can say really. To reiterate, it is subjective and most users would not have an issue with it. You should find the increase from 75Hz @ 75fps to 100Hz @ 100fps to be beneficial regardless of input lag. Most users would find the “connected feel” of the Samsung very good.
I have already said as much as I can with respect to colour reproduction differences on these two forum threads. For more detail you’ll have to wait for the review really. I appreciate the comparison I’ve drawn is between the ASUS and AOC. But the Samsung is very similar to the ASUS, with slightly higher colour saturation. Therefore compared to the AOC colours are more consistent (retain saturation better near edges) and more saturated on the Samsung. So they do look more vibrant, but it isn’t a massive difference and if you refer to my subjective impressions on colour reproduction on the AOC review you’ll see plenty of positive things were said.
And sorry that this reply had been a bit brief and fragmented. I don’t know if you’re aware, but my main test system recently blew up (not literally, but as good as) and I am typing this out on a tablet. The only other PC I have access to is being used by another family member.March 27, 2017 at 9:23 pm #42341
Thanks a lot for all the clarification.
Yes, i red that and i hope you can have your system back soon. No problem for the fragmented answers, i’m just trying to collect any info i can from the reviews, customer’s experiences and more techincal one. We are far to have a perfect 21:9 monitor and seems that we have to find the one with less flaws…
So i don’t give up and i keep my preorder on the Samsung hoping to find a good panel at the first try!March 27, 2017 at 9:31 pm #42342
Fingers crossed you get a good one and enjoy it. 🙂March 28, 2017 at 9:01 pm #42355March 28, 2017 at 9:15 pm #42361
The issue with even the ‘detailed’ response time measurements is that they only consider grey level increments of 50. To paint the full picture, you need to consider all of the grey levels between 0 and 50 (or ideally, 0 and 255). For example transitions between 30 and 15, or 10 and 40 etc. This has now been clarified in our review as well, but whilst the weaknesses between ‘0’ (black) and other shades are shared with the Z35, the weaknesses beyond that (i.e. some grey levels between 1-49) are not.
Obviously it would be unreasonable to expect somebody to measure all grey levels between 0 – 255 in both directions to paint a complete picture. But that is exactly why we prefer subjective impressions and where possible videos over a more limited range of figures.March 28, 2017 at 9:34 pm #42363
I really liked your videos with pixel weaknesses with AOC and ASUS (using Samsung panel). So I will probably still consider AOC. Thank you for your answer. I still don’t know which monitor I should get, but for now AOC>Samsung>Asus just because of G-Sync.March 30, 2017 at 8:45 pm #42386
Exactly how superior is the Quantum Dot display compared to the AOC’s VA panel? and is it nice enough to take it over the AOC? I am running a 1070, but I have seen some people say on other forums that the picture on the AOC is bad with a lot of desaturation and shift even with the smallest head movement, yet I have only seen people say fantastic things about the Samsung.
I am aware that one monitor is Freesync and the other Gsync but apparently both suffer from flickering so i’m not sure if i’d even have Gsync enabled if I found it really annoying anyway. Both monitors are around the same price where I am and i’m having a bit of internal conflict within myself over spending so much on the AOC only to not have impressive picture quality.
If the difference isn’t as significant as the impression I was left with then I am happy to go with the AOC for the bonus Gsync (if I can live with it) but would love input from anyone who has seen both.March 30, 2017 at 9:00 pm #42389
Hi girlinstatic and welcome,
I’ve merged your thread with this one as there is already some existing discussion on how the Samsung C34F791 and AOC AG352UCG compare. I’ll take this opportunity to reinforce these points and those covered in the review and address your questions/concerns:
– The ‘Quantum Dot’ technology simply enhances the colour gamut and possibly improves uniformity slightly but has no specific effects beyond that. This does make the colours produced by the Samsung a touch more vibrant than the AOC, but it isn’t a massive difference really.
– The SVA panel of the Samsung offers superior colour consistency to the AOC, so shades don’t lose as much saturation towards the flanks and bottom of the screen. It’s noticeable to a keen-eyed viewer like me, especially if you were to compare them side-by-side. But some of the comments users have made about the AOC (saying it is “like a TN panel”) are outlandish and misinformed. The user(s) who are most vocal about this will have compared to IPS models. I can tell you having used the AOC beside a 27″ TN reference display that it most certainly doesn’t suffer the same saturation loss near the bottom in particular.
– I quite like the slightly steeper curve of the Samsung, although as noted in the review it’s a subtle difference, not a huge one.
– Both G-SYNC and FreeSync suffer flickering as technologies, these models have been made scape goats by users who have little experience of the technologies. And the issues have been blown completely out of proportion as noted here re. the AOC and here re. the Samsung (in the review).
So yes, the Samsung does have a bit of an edge in image quality. But it is not a massive difference and as mentioned to Dinsy in that second last post I mentioned, it’s really a monitor you should see for yourself. With a GTX 1070 you can certainly benefit from G-SYNC, although it depends on the frame rates you’re getting and games you play. And it also depends on how sensitive you are to flickering or tearing as to how beneficial you’ll find the technology. I personally feel it is a very nice addition, but I can’t deny that the Samsung does have a bit of an edge in image quality. If they made that model with G-SYNC it would be ‘the one to get’ (depending on price), but they don’t and therefore you need to choose between them based on the factors above and covered in detail in the reviews.March 30, 2017 at 9:48 pm #42390
Quantum dot might also help some for those with blue light sensitivity. It is a broader spectrum back lighting which is easier to see and in particular at the center of our eyes where we have very few blue receptors.
I too am in your conundrum. Love the c34f791 except for the lack of g-sync. Love the AOC ag352ucg except I wish it had QD. I have a slight preference to a 16:9 30-32″ because I want a slightly lower PPI as it makes it easier on my eyes. But there is no 32″ which meets my wish list as well as either of these two 21:9 monitors. I am on the fence if I should just buy one of them now or wait and see what the Samsung CH711 holds (but that wait will probably be until june or later).March 31, 2017 at 5:43 am #42393
Some further thoughts on Quantum Dots and viewing comfort, for reference – https://forum.pcmonitors.info/topic/high-end-169-or-1610/#post-41849. The same blue diodes are used, but there is indeed a more balanced spectrum (without LBL modes even active) which some eyes might prefer.April 13, 2017 at 1:51 pm #42632
Hi PC monitors,
i read in this topic that:
“I was actually rather impressed with the ASUS. It did have a slight edge over the AOC in terms of responsiveness and colour consistency as well, but nothing major.And to be honest nothing I feel is worth buying that model over the AOC for as an Nvidia user who could benefit from G-SYNC instead, which could be far more valuable. “
So I’m thinking of buying the AOC.
But first I would ask advice on some things if possible:
1) Is it worth buying a monitor with G-SYNC now when the new G-SYNC HDR has been announced?
2) With a powerful graphics card and adjusting the settings to always stay above 100 FPS makes sense G-SYNC?
3) what it is actually perceived the image quality difference between AOC and ASUS?
4) I saw the test of the luminance uniformity and colour temperature (white point) variations and ASUS seems to have still a more uniform distrubution of these values … I would not be with a monitor that has noticeably darker areas and other lighter, is so evident a difference in everyday use or while playing?
Sorry for the mistakes, as you’ll see i’m not native English speaker.
Thanks for any help you can give me, and congratulations for the most accurate and updated site that I found on the web about pc monitor.April 13, 2017 at 1:56 pm #42637
Hi Mark0 and welcome. Some good questions there:
1) It depends on how much you want to spend on the monitor really. And how long you want to wait. G-SYNC HDR requires a 384-zone (or similar) backlight solution and they don’t come cheap. It will be some time before you see an UltraWide with that sort of backlight solution and when you do it will initially be very expensive.
2) G-SYNC would de-activate at 100fps on a 100Hz monitor, so if you’re always going to be pushing such frame rates then there is really no benefit to the technology. The only potential advantage is if you set a frame rate cap of a few fps below that (98fps), which would mean G-SYNC remains active and you wouldn’t get the tearing associated with VSync off or the stuttering nor input lag associated with VSync on.
3) The colour consistency is the major thing here. As I’ve said already it’s ‘nothing major’. I don’t really think users should let that put them off if they otherwise really like the sound of the AOC.
4) As noted in the review, that varies between individual units. And individual sensitivity to this also varies. I didn’t personally find it problematic on the AOC and given the shifts you see from such wide VA models anyway, there wasn’t an obvious weakness that could be put down just to the uniformity of the panel.April 14, 2017 at 9:42 am #42642
Thank you for the reply, very appreciated.
So if i play overwatch with my asus strix 1080 A8G and with setting that keep me always over 100 fps i don’t have any benefit from g-SYNC, it’s right?
In this case i think i go for the asus, that have better colour consistency, minor perceived blur and minor weaknesses in pixel responsiveness.
I prefer to change the graphic card over the monitor. I think i can change the monitor after 4-6 years the graphic card al least every 2 year.
What do you think?
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