LG 34UM67 Introduction and Overview

LG as a company has many products and certainly offers some strong competition. Their product line includes HDTVs and computer displays, smartphones and smart watches, fitness bands, home appliances, audio accessories, commercial AC and lighting, and numerous other offerings; in short, LG is a brand we’ve all encountered. Given their strong presence in the HDTV market over the years, computer displays should be a strong category for LG, and with one of the first shipping FreeSync displays, LG is at the front of the pack as far as new technologies are concerned. But being first doesn’t necessarily mean being best.

As the first FreeSync display to cross our desks, the LG 34UM67 has some good and bad elements. In many ways it feels like the larger version of the LG 29EA93 we reviewed a while back, albeit in an improved design and with most of the early 21:9 issues having been ironed out. The price is also lower now, so for less money you can get a more capable 34” display instead of 29”. But with FreeSync being the marquee feature, the supported refresh rates of 48-75 Hz can be something of a problem.

Gallery: LG 34UM67

But let’s not jump too far ahead. Fundamentally this is a computer display, so let’s talk about the design, features, and other elements before we continue. After testing the two previous TN-based G-SYNC displays, the Acer XB280HK and the ASUS ROG Swift PG278Q, the change back to an IPS panel is immediately noticeable. From an ideal viewing location it may not matter as much, but get off axis at all and IPS is definitely superior. The color quality also looks quite good out of the box – not sufficient for professional use, perhaps, but definitely better than most lesser panels.

In terms of connectivity, LG includes multiple input options: DisplayPort, HDMI, and dual-link DVI-D are present. There are also two 7W downward facing speakers in the screen, with audio in/out ports on the back. One thing you won’t find however are any USB ports. The built-in stand likewise offers no height adjustment, rotate, or swivel – the only thing you can do is tilt it forward/backward. There is a 100x100mm VESA mount, however, so the stand at least can be replaced. From an ergonomics perspective, the built-in stand isn’t very good, but it does at least provide a good level of support (which is often an issue on budget displays).

Power is provided via a power brick, which is unfortunate and likely unnecessary – the bulk of the display should have easily allowed for placing the power circuit inside the chassis. There are also no cable routing features, so all the wires simply connect directly into the back of the display above the stand hinge.

Gallery: LG 34UM67 OSD

Moving to the OSD (On Screen Display), LG offers plenty of options. The controls consist of a 4-way nub located at the bottom-center of the panel, and while it might not seem ideal I didn’t find it to be particularly problematic either. The nub also serves as the power button if you press it when outside of the OSD menus. All of the usual settings are present, including various color modes, brightness/contrast, the ability to tune the RGB output (and even a more advanced option that allows adjustment of six colors (Red, Green, Blue, Cyan, Magenta, Yellow – both hue and saturation can be altered), and input selection.

Areas where LG adds extras to the OSD include the PBP (Picture Beside Picture) mode, where you can do a split screen view while using two connections, gaming modes designed to improve (in theory) pixel response times and reduce input lag (DAS aka Dynamic Action Sync), and of course the option to enable/disable FreeSync. I don’t know why it’s necessary to inherently provide the option to disable FreeSync, though – if your GPU doesn’t support the standard, the display should simply function as normal with a static refresh rate.

I want to note that the DAS mode and FreeSync actually caused problems on at least one occasion, as the first time I booted with the display connected FreeSync was disabled and when I turned it on the screen went black and never came back on – I had to restart the PC but then things worked properly. DAS did the same thing when I turned it off at one point, though this time power cycling the display fixed the issue. After that, DAS mode was grayed out, and it’s not clear why that’s the case. Disabling FreeSync didn’t allow me to change DAS mode, but switching to one of the preset picture modes other that Custom brought back the option to change the DAS mode.

It looks like there’s are a few minor bugs in the display firmware, but personally I tend to set up a display and then rarely change things, so it’s not a huge concern. If you happen to regularly tweak the OSD settings on your display, however, you might find the current 34UM67 OSD to be a bit irritating. I also missed the option to adjust the OSD timeout; it's about 20 seconds with no way to make it any longer. As it stands, it’s neither the best nor the worst OSD menu that I’ve encountered, and in general it does what it needs to do.

LG 34UM67 Specifications
Video Inputs 1x DisplayPort 1.2a
1x HDMI 1.3
1x DL-DVI
Panel Type IPS
Pixel Pitch 0.312mm x 0.310mm
Colors 16.7 Million
Brightness 300 cd/m2
Contrast Ratio Not Specified (>600:1 measured)
Response Time 14ms
Viewable Size 34"
Resolution 2560x1080
Viewing Angle (H/V) 176 / 176
Backlight White LED
Power Consumption (operation) 53W Typical
Power Consumption (standby) <0.5W
Screen Treatment Anti-Glare
Height-Adjustable No
Tilt Yes, -5 to 15 degrees
Pivot Yes
Swivel Yes
VESA Wall Mounting Yes, 100mm x 100mm
Dimensions w/ Base (WxHxD) 830mm x 469mm x 173mm
Weight 7.3kg
Additional Features 2 x 7W speakers
Audio in/out
Limited Warranty 2 Years
Accessories AC Power Brick
DisplayPort Cable
HDMI Cable
Price $649 MSRP
FreeSync Gaming on the LG 34UM67
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  • Crunchy005 - Wednesday, April 01, 2015 - link

    more unsupported rather than proprietary nature. Proprietary seems to get thrown around to much. Reply
  • p1esk - Tuesday, March 31, 2015 - link

    Double the resolution, then get the price down to $499, and I will consider it. Reply
  • wolrah - Tuesday, March 31, 2015 - link

    "the screen went black and never came back"

    *snicker*
    Reply
  • Asmodian - Tuesday, March 31, 2015 - link

    Isn't FreeSync disabled when over the VRR? Your in game (F1) ghosting test is with FreeSync disabled. What is the ghosting like with FreeSync active? I understand overdrive is forced off whenever FreeSync is active. Reply
  • JarredWalton - Tuesday, March 31, 2015 - link

    Behavior over the max VRR depends on the game setting -- it can be either VSYNC on (which will effectively cap FPS at max VRR) or VSYNC off. I personally leave it off, as I like being able to run at higher FPS. Reply
  • Dribble - Tuesday, March 31, 2015 - link

    And his other point about ghosting - on other freesync monitors overdrive gets disabled when freesync is on, is that the case here? Reply
  • JarredWalton - Wednesday, April 01, 2015 - link

    I took plenty of ghosting pictures to check this out as much as possible. From what I can see, overdrive ("Response Time" in the LG OSD) is fully active with or without FreeSync. Reply
  • Soulwager - Tuesday, March 31, 2015 - link

    "AMD tells us that they drive a display at its max refresh rate when the frame rate drops below the cutoff"

    Could you test that? PCPer said the display was staying at it's MINIMUM refresh rate when your framerate drops below the cutoff.
    Reply
  • JarredWalton - Tuesday, March 31, 2015 - link

    Sadly I don't have any equipment suitable for testing the actual refresh rate, which is why I say "claims". Right now, I'm pretty sure that if you fall below 48 FPS the display refreshes at 48Hz. I suspect it's something AMD can change with driver updates. We're still waiting of CrossFire FreeSync as well, so maybe the next driver update will alter the way this works. Reply
  • dragonsqrrl - Tuesday, March 31, 2015 - link

    This is not a good variable refresh rate display, plain and simple. In fact I would argue it's not a good desktop monitor in general. I think the fact that this monitor even came to market illustrates the difference between Nvidia and AMD's strategy and design philosophy. Reply

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