The UltraFine 6K is also a Nano IPS Black display, which is something the Asus model is not. Nano IPS Black is actually a combination of two technologies that improve the image quality of IPS in different ways. Nano IPS enhances color coverage, while IPS Black cranks up the contrast. The combination of the two is pretty spectacular, especially on a monitor this sharp. It covers sRGB and AdobeRGB at a full 100 percent, something I’ve never seen on an IPS monitor before. The color accuracy is also incredibly strong. Right out of the box, I measured the average color error at a Delta-E of 0.62. Anything under 1.0 is considered excellent, even for professional color graders. No further calibration needed here.
In terms of brightness, my review unit topped out at 480 nits in standard dynamic range (SDR), which is quite bright. The screen has an anti-reflective, matte coating that deters glare and reflections without dimming the screen too much. This is probably going to bother some people coming from a glossy, older LG 5K display. Although I’d also prefer a glossy display, LG’s solution is subtle enough. And while this is certainly not a proper HDR monitor in that it uses a conventional LED IPS panel, I was able to measure 640 nits of peak brightness in HDR. That’s far from what OLED or mini-LED can do. Remember: The HDR effect is created by higher brightness and contrast. That’s what makes OLED displays attractive. The UltraFine Evo 6K has a 2,000:1 contrast ratio, but I only got 1,720:1 in my testing. That’s still better than the average, though, as monitors like the Dell UltraSharp 32 4K use an enhanced IPS Black in order to push the contrast closer to 3,000:1.
The refresh rate is the one big problem with the UltraFine Evo 6K’s picture. It’s only 60 Hz. It doesn’t matter how sharp, vibrant, and color-accurate your image is if the motion feels stiff. Even fairly affordable monitors like my favorite, the Dell 27 Plus 4K ($300), have a 120-Hz refresh rate. That’s likely not the fault of LG, as Asus’ 6K monitor is also stuck at 60 Hz—but it’s a current limitation of the resolution on offer. I have no doubt that future 6K monitors will come out with a 120-Hz refresh rate, but as of now, that’s a trade-off you’ll be making for the extra pixels.
Pricey Proposition
Photograph: Luke Larsen
The LG UltraFine Evo 6K costs $2,000. While that’s not as much as Apple’s ridiculous Pro Display XDR, it also lacks the HDR capabilities that make that monitor special. The price feels especially egregious when you consider how cheap OLED monitors are getting. Dell’s first nongaming OLED, the Dell 32 Plus QD-OLED, is only $850 and is often on sale for under $700. It’s only 4K, but it’s better for both watching and producing HDR content.
Lastly, if you’re set on 6K, there’s also the Asus ProArt PA32QCV to consider. I haven’t tested it yet, but it’s $600 cheaper than LG’s model, despite using the same 6K panel. What does that extra $700 buy you? A flashier design, for one, but also more up-to-date ports. Although I like where Asus has placed its ports better than LG, it uses old specs such as Thunderbolt 4 and DisplayPort 1.4. The biggest difference is the lack of Nano IPS Black, which means it likely doesn’t have the color performance and contrast of the LG model. These differences aren’t insignificant, but are they worth $700? That’s tough to say, especially since they are otherwise the identical panel. I can’t say for sure until I’ve tested Asus’ model, but on the surface, the LG UltraFine 6K does feel a little overpriced by comparison.
On the other hand, if you’re already dropping this much cash on a 6K monitor, image quality is paramount, and the inclusion of Nano IPS Black makes the LG UltraFine 6K a better alternative to OLED or the Pro Display XDR.
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