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There are then two cleaning cycles, “image cleaning” which takes 10 mins to run, and “pixel cleaning” which will take 1 minute. It’s the “image cleaning” that is the more common and frequent minor cleaning cycle, despite being the longer to complete. The screen will prompt you to run these periodically anyway after certain amounts of usage time (4 hours of use for image cleaning and 500 hours of use for pixel cleaning), and will run the cycle when the screen is in standby so as not to disrupt your usage. To help support the 1440p @ 240Hz the screen features adaptive-sync, giving Variable Refresh Rate (VRR) support for both NVIDIA and AMD systems which is great news. The screen has also been certified under the NVIDIA ‘G-sync Compatible’ and AMD ‘FreeSync Premium’ schemes to give added reassurance around VRR performance. There is also support for HDMI-VRR via HDMI 2.1 which is useful for the latest PS5 and Xbox Series X games consoles. We will look at console gaming more later. OLED panel benefits for gaming and additional features Among all correct predictions, we give away 5 x LG UltraGear™ 27GR95QE and 160 x Ocean Song Ashe Skin + Champion Bundles. Regardless, these issues will happen over hundreds and hundreds of hours of playing the same kind of content, so don’t worry about it too much…just a little. The maximum peak brightness we’d measured in the Gamer 1 mode which was configured to be close to a 6500K white point was around 609 nits. Not bad, but then also not great for a modern HDR display. Certainly nowhere near the peak brightness spec of 1000 nits that LG promote, and quite a long way off modern Mini LED LCD monitors which can typically reach 1000 – 1500 nits. This 609 nits we measured was achieved at a white point close to 6500K in those modes (6847K measured) at least.#
The LG 27GR95QE-B is a fantastic gaming monitor based on its test results and specifications. Its unique OLED panel is fast and vibrant and capable of brilliant HDR performance, even when compared to its mini-LED counterparts. We like its design and added features, plus it’s not stupendously expensive like we feared it would be.We calibrated the screen at a software level using Portrait Display’s Calman Ultimate software and our calibration tools. We will also look at hardware level calibration afterwards. When you load up the software you get a simple section allowing you to define your calibration targets. Here for instance we’ve selected 120 cd/m 2 brightness, 6500K white point, 2.2 gamma and the sRGB colour space. You need a compatible calibration tool (or “meter”) with support for a range of popular options provided in the software – Spyder5, SpyderX, i1 Display Pro/Pro Plus, ColorMunki Photo/Design, i1 Pro 2 (spectro) and the CR100. Here for this example we’ve selected the i1 Display Pro Plus colorimeter.
The monitor also supports hardware calibration and comes with the LG True Color application, allowing you to store two calibrations on the monitor itself without having to rely on ICC profiles. Design & Connectivity Screen Saver – screen turns off automatically when no movement is detected after a certain period of timeThe Screen Saver function seems a sensible one to leave turned on, as it will turn the screen off if it detects no change to the image for an extended period of time. We never saw this happen unnecessarily during any normal usage, even on pretty static desktop applications. It worked as intended in our usage when we left the screen alone fully. HDMI-VRR is supported thanks to HDMI 2.1 from both consoles. ALLM is unfortunately not supported, and although the input lag will be consistent across all preset modes (the main reason for this setting is to turn a TV in to its game mode for lower lag), it could have been useful if it had switched to a gamer preset mode, as opposed to perhaps your normal working mode like sRGB or a calibrated preset. In early April 2023 LG released an updated firmware for the 27GR95QE designed to supposedly help improve screen brightness. We have unfortunately had to return our screen sample, but our friends over at Monitors Unboxed have updated the firmware on their screen (done via the LG OnScreen Control software) and re-tested brightness in both SDR and HDR modes. They confirmed there was no change at all to HDR brightness in Gamer 1 mode, which has the ~6500K colour temp.
This monitor supports the fastest refresh rate and response time as of Dec. 2022, 240Hz refresh rate and 0.03ms, among the OLED gaming monitor.
This confirms the measured results. Note that the highest colour error is in red, which is what we’d seen after software profiling too as the screen seems to struggle with that pure 100% red colour. With over a week of screen time with LG’s new 27” OLED monitor, I can confidently say that this is a stellar product, and absolutely is the upgrade one should consider. Of course, OLED panels do come with one major caveat, and that is the less than average standard brightness, which could struggle in showing bright images under well-lit conditions. Design and Features In SDR mode the luminance range of the screen is limited compared with LCD monitors, with a maximum brightness measured at 192 cd/m 2, which was close to the advertised 200 cd/m 2 which was pleasing. Most LCD monitors however can reach 300 – 500 cd/m 2 easily for SDR content and so on first glance, this might appear to be very limiting on the 27GR95QE. If you are used to using a very bright monitor or running at high brightness settings, you will almost certainly find this screen to look dark by comparison. You can see the recommended OSD settings above that go along with this profile. Our calibrated ICC profilefor this display is available now for our Patreon supportersand will be added to our main database in the coming months. Hardware Calibration The 240Hz refresh feels like a future-proofing, especially with this new generation of Nvidia and AMD GPUs just hitting the market. 1440p has long been the sweet spot for PC gaming; while 240Hz and 360Hz 1440p monitors do exist, this is our first time seeing 240Hz 1440p on an OLED panel.
Class 2)A lag of 8.33 – 16.66ms – the equivalent of one to two frames at a 120Hz refresh rate – moderate lag but should be fine for many gamers. Caution advised for serious gamingGamut coverage – we provide measurements of the screens colour gamut relative to various reference spaces including sRGB, DCI-P3, Adobe RGB and Rec.2020. Coverage is shown in absolute numbers as well as relative, which helps identify where the coverage extends beyond a given reference space. A CIE-1976 chromaticity diagram (which provides improved accuracy compared with older CIE-1931 methods) is included which provides a visual representation of the monitors colour gamut coverage triangle as compared with sRGB, and if appropriate also relative to a wide gamut reference space such as DCI-P3. The reference triangle will be marked on the CIE diagram as well. The LG 27GR95QE has a 2560×1440 screen resolution, which results in a pixel density of 110.84 PPI (pixels per inch) on the monitor’s 26.5″ viewable screen. You get plenty of screen space as well as sharp details and text without having to use any scaling.
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