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Asus ROG PG348Q 34-inch Curved G-Sync Monitor Review

Asus adds to its premium Republic of Gamers line with the curved ultra-wide PG348Q. It sports a color-accurate IPS panel at 34" diagonal, with 3440x1440 resolution, G-Sync, and a 100Hz refresh rate. We’re checking it out today.

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Brightness And Contrast

To read about our monitor tests in depth, please check out Display Testing Explained: How We Test Monitors and TVs.  Brightness and Contrast testing is covered on page two.

Acer Predator X34

Acer XR341CK

Acer Predator Z35

Uncalibrated – Maximum Backlight Level

Today’s group consists solely of curved monitors with either G-Sync or FreeSync adaptive refresh. Acer’s Z35 and AOC’s C3583FQ are AMVA panels with 2560x1080 resolution. Acer’s XR341CK and X34 share the same pixel count as our review subject, as does the LG34UC98 FreeSync screen.

There aren’t many situations where one would need more than 300cd/m2 output and all the screens deliver that. The PG348Q is at the lower end with 309.2163cd/m2, but that number exceeds Asus' spec of 300.

More importantly, its black levels are at the darker end of our IPS screens. The AMVA twins take this contest but give up resolution to do so. At some point, we’re likely to see higher pixel counts from this technology. Although gaming monitors have made improvements in motion processing and refresh rates, contrast is still an area in which they have room to grow.

Overall contrast from the PG348Q is strong at 1081:1 in the sequential test. It’s almost a dead heat between it and the two Acer IPS panels. But check out the AMVA screens at the top. Their performance more than doubles the next best. Is it worth accepting lower resolution? Perhaps so.

Uncalibrated – Minimum Backlight Level

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The PG348Q’s brightness slider brings the backlight down to a fairly useless 27.3569cd/m2. Even in the dark, the picture looks drab and dim, although it maintains the same contrast ratio. At least performance is consistent. To get our preferred minimum of 50cd/m2, set the brightness slider to 8.

After Calibration to 200cd/m2

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Calibration required us to lower the contrast slider seven clicks to fix a gamma and color tracking issue. Luckily this did not reduce dynamic range at all. The difference here is negligible. In fact the PG348Q is now the best of the IPS panels in the group. You’ll see on the next page in the gamma and color results how important the contrast adjustment is. This is excellent performance and ranks as one of the better IPS monitors we’ve tested for its dynamic range. That guarantees good image depth and a more realistic picture.

ANSI Contrast Ratio

A few small uniformity issues hold our sample back in the ANSI contrast test. It’s not a big problem, but it does put the PG348Q in last place. Another example would likely measure differently. The cause is a bright zone along the bottom of the screen. It’s not quite in the category of IPS glow or backlight bleed though. 871.4:1 is still a decent ANSI result.

40 Comments Comment from the forums
  • RocketChild 29 September 2016 13:35
    How's the cable management on this pretty monitor? Doesn't look like there is any and I take it no VESA mounting points either? Seems like a decent part of the cost with this monitor is that stand so you can have a flashlight on your surface. Good to see headway is being made with higher refresh rates at greater resolutions.
    Reply
  • itsnotmeitsyou 29 September 2016 14:08
    I don't understand why we're still seeing Predator/Bionicle themed high-end hardware... Can the kids that are into this garbage actually afford it?

    I would guess that the larger market is the people who grew up gaming that are now career professionals. I suppose that doesn't imply their taste in hardware styling has matured, but personally I'm over the whole PowerRangerMegaZord kitsch that started with Alienware in the 90s.

    It looks like a beautifully specd monitor. Just wish it wasnt so painfully styled.
    Reply
  • moogleslam 29 September 2016 14:23
    I've had this monitor since April 2016, and it's phenomenal. The combination of 21:9, 34", 3440x1440, 100Hz, Curved, IPS, & G-Sync cannot be bettered by anything currently on the market. Today, this is the ultimate gaming monitor. It's completely immersive, and I've had no issues with game support so far. Funnily, my most jaw dropping moment was when I first took it out of the box and saw the size of it.... before I even powered it up! It's huge! My own sample isn't 100% perfect though. There is noticeable IPS Glow/Backlight Bleed (I don't really know the difference) in all four corners, though it can only be seen in almost entirely black scenes, and fortunately, for the games I play, that's almost never. There are also visible scanlines at any overclock. You have to look very closely to see them, and certainly, during normal game play, I never notice them. In all though, I am incredibly happy with this monitor (even if I paid $1300!), and I expect it to serve me well for many years, regardless of what else comes to market!
    Reply
  • Realist9 29 September 2016 15:34
    Wouldn't it be smarter to pick up a 4k of similar size/specs like the Predator XB32 for $60 more?

    Given you have the rig to run 4K?

    My concern is relative adoption of 3440x1440 vs 4k. I *feel* like 3440 is not as widely supported as 4k, and with 4k, there's no fisheye (right?).

    for ref: Currently running 3x32" surround on a 1080 (for ref concerning frame rate). 3440x1440 = 4.9M pix, 5760x1080 = 6.2M pix, and 4k = 8.3M pix.
    Reply
  • moogleslam 29 September 2016 15:51
    18663297 said:
    Wouldn't it be smarter to pick up a 4k of similar size/specs like the Predator XB32 for $60 more?

    Given you have the rig to run 4K?

    My concern is relative adoption of 3440x1440 vs 4k. I *feel* like 3440 is not as widely supported as 4k, and with 4k, there's no fisheye (right?).

    for ref: Currently running 3x32" surround on a 1080 (for ref concerning frame rate). 3440x1440 = 4.9M pix, 5760x1080 = 6.2M pix, and 4k = 8.3M pix.

    I've tried 4K, and this is far superior. There is no 4K with similar specs. Two of the three most important things this monitor provides are missing on 4K; 100Hz, and 21:9. Before this monitor, I had a 144Hz monitor, and dropping to 100Hz was a sacrifice I was willing to make, but I'll never go back to 60Hz, even with G-Sync/FreeSync. And 21:9 is the real difference maker. The extra horizontal screen real estate is amazingly useful, and it's what provides greater immersion than ever before; probably immersion that can only be beaten with VR (not even with triples because I hated the bezels).

    I don't see any adoption issues. Firstly, this format is becoming more and more popular all the time. Secondly, whether it's adopted by the masses or not, I'v had zero support issues to date. The most I've had to do is edit a config file (World of Tanks), but all other games have been completely straight forwards.

    There's zero fish eye in any games. I'm not quite sure what you're getting at.... I mean, your in-game FOV isn't distorted by having a wider monitor; you just see more left and right, in a completely natural manner; there's no stretching to fill it.

    I've tried triples and 4K, and I firmly believe that the three most important factors in a gaming monitor, which I'll never go without again are:

    21:9
    G-Sync/FreeSync
    100+Hz

    Resolution would only be 4th on my list, and I'd even take a 2560x1080 21:9 before I went to 4K, just so I could have the 3 must haves above.
    Reply
  • moogleslam 29 September 2016 15:56
    18662798 said:
    How's the cable management on this pretty monitor? Doesn't look like there is any and I take it no VESA mounting points either? Seems like a decent part of the cost with this monitor is that stand so you can have a flashlight on your surface. Good to see headway is being made with higher refresh rates at greater resolutions.

    Cable management is actually good. If I recall correctly, the cables, where they plug into the monitor, are hidden behind the back cover, and then feed through the stand, coming out at the rectangular square you can see at the bottom/back of it.
    Reply
  • larsv8 29 September 2016 16:14
    This guy, or similar, is on my wish list for some time over the next two months. Heard the light bleed is really the only noticeable downside, but that is not the biggest deal.

    I am assuming this is mostly identical to the Predator X-34? Gonna have to make a decision on which brand to go with.

    I am hoping the new version, the X34P, which is supposed to have some performance improvements is released soon, to either drive this price down, or be affordable enough to upgrade.

    I can't wait to fire up Forza Horizon's 3 on this badboy at max settings. Good time to be a gamer!



    Reply
  • moogleslam 29 September 2016 16:52
    18663459 said:
    This guy, or similar, is on my wish list for some time over the next two months. Heard the light bleed is really the only noticeable downside, but that is not the biggest deal.

    I am assuming this is mostly identical to the Predator X-34? Gonna have to make a decision on which brand to go with.

    I am hoping the new version, the X34P, which is supposed to have some performance improvements is released soon, to either drive this price down, or be affordable enough to upgrade.

    I can't wait to fire up Forza Horizon's 3 on this badboy at max settings. Good time to be a gamer!



    It uses the same panel as the Acer Predator X34, yes. The ASUS PG348Q seems to have had less issues/better QA, and the OSD and associated controls are far superior on the ASUS as well. Many also tend to prefer the PG348Q styling. Other than that, they're more or less identical.

    Sim racing on these monitors, in cockpit view, is one of my favorite things. Try out iRacing if you can, and use the built in FOV calculator.
    Reply
  • infamousk12 29 September 2016 17:20
    This monitor is extremely expensive, however, it is absolutely amazing. I have owned it for about a month. Out of the box, it was easy to assemble and the quality of the parts is simply top notch. The monitor performs extremely well, and once you game on a native 21:9 aspect, you will never go back.
    Reply
  • poochiepiano 29 September 2016 17:22
    18663372 said:
    I've tried 4K, and this is far superior. There is no 4K with similar specs. Two of the three most important things this monitor provides are missing on 4K; 100Hz, and 21:9. Before this monitor, I had a 144Hz monitor, and dropping to 100Hz was a sacrifice I was willing to make, but I'll never go back to 60Hz, even with G-Sync/FreeSync. And 21:9 is the real difference maker. The extra horizontal screen real estate is amazingly useful, and it's what provides greater immersion than ever before; probably immersion that can only be beaten with VR (not even with triples because I hated the bezels).

    I've tried triples and 4K, and I firmly believe that the three most important factors in a gaming monitor, which I'll never go without again are:

    21:9
    G-Sync/FreeSync
    100+Hz

    Resolution would only be 4th on my list, and I'd even take a 2560x1080 21:9 before I went to 4K, just so I could have the 3 must haves above.
    If you take a 4k monitor and chop of the top and bottom 1/6 of the screen, you get 1440p with an even wider screen. How is having additional vertical real estate bad? Assuming the 4k monitor has 100+ Hz that is variable, for the same price, I don't see how it's not better.

    I love the 21:9 form factor too, and I use one at home, but at these prices, I don't see how a 1440 21:9 can beat a 4k with the same specs.

    If the price was more in line with the comparative resolutions, aka it didn't cost virtually the same with <1/3 of the pixels, I would say that 1440p IPS in 21:9 with a 34" diagonal is my sweet spot too, but it just costs too much. This is pretty much the highest-end of these types of displays, especially with 100 Hz, so it's understandable, but with a comparable 4k? Why go with this?
    Reply