There are some peripheral issues to contend with regarding the Samsung’s implementation of FreeSync and HDR. If you want to use HDR and 10-bit colour, then FreeSync only runs at 100Hz, not 120Hz. If you do want HDR and 120Hz, you’ll have to use 8-bit colour. However, the density level still isn’t able to match 4K screens – a 32-inch 4K panel sits up at 138ppi, and even 40-inch 4K panels serve up 110ppi. 4K screens also have more vertical pixels, and extra vertical space will be more beneficial in some situations. Refresh rate, response time, low input lag, screen size and screen adjustment options are disabled if Freesync is turned on. Elsewhere, the Samsung CRG90 uses a VA screen, just like the Asus XG49VQ. And, just like the Asus, Samsung’s panel has a 4ms response time – fine for mainstream gaming, but not good enough for esports. It’s an exciting slate of specifications, and Samsung says that this panel can be used for work and play – so it should be versatile.

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The monitor does not come with the screws for the VESA mount. According to the manual the correct size is '4.0 mm Φ, 0.7 pitch * 10.0 mm long'. Many games will show lens distortion at the edges. This will elongate objects near the edges and is caused by the game's FOV implementation. Some games are worse at this than others, some will not have this issue at all. If it bothers you, you can try to reduce it by running at say 3840x1440 or 3440x1440. You can use Information menu as a rudimentary framerate counter if Freesync is enabled as it will show the current refresh rate. Note that if LFC is in play it will show double the refresh rate. Unlike the CHG90, the CRG9 does NOT come with a keyboard/mouse switch. You need to use apps like ShareMouse, Barrier or Synergy or alternatively buy a KM switch for a hardware solution. The Samsung’s contrast and colour results remained consistent with the brightness toned down to a more usable 150 nits and with it ramped up to its peak level of 535 nits.The CRG90’s native resolution of 5120 x 1440 is stretched across a 49-inch diagonal. It’s got a 32:9 aspect ratio and an 1800R curve – the standard curvature for most monitors. Local dimming is limited to 10 vertical zones. It's not very useful due to the low amount of zones so you will mostly notice it during game loading screens when it lights up sections of the display with small icons etc. No built-in KVM support. You can use a separate KVM switch or software KVM solutions like Barrier, ShareMouse or Synergy for this. The vast Samsung CRG90 works wonders in racing games thanks to the extra immersion and wider field of view

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It has tremendous screen quality, with superb colours, great contrast and an HDR implementation that actually works. The punchy, vibrant images are joined by AMD FreeSync and solid physical design that delivers good adjustment and an effective OSD. One of the CRG90’s biggest advantages is VESA DisplayHDR 1000 certification. This is a top-tier HDR standard that outstrips most of the other consumer monitors on the market, including the Asus.presets can be saved and they can be selected via buttons at the bottom edge of the display. PbP settings cannot be saved to these presets, only Game and Picture menu settings are saved. As u/BadgerslayerBrett pointed out to me (thanks!), Samsung released a new firmware just a couple of days ago. Elsewhere, the FPS, RTS and MOBA modes made the screen cooler while hampering Delta Es, the RPG mode isn’t much different from factory settings.

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The Samsung CRG90 is a stunning screen with few flaws, but it’s expensive and not suitable for everyone. Samsung’s panel maxed out the sRGB colour gamut, so there are no colour issues with games. It covered 89.5% and 82.8% of the DCI-P3 and Adobe RGB gamuts, too. The former figure is fine for HDR and only half a percent behind what DisplayHDR 1000 demands, but the latter is a little low and precludes this screen from the most demanding colour work. When running games at 3840x1080 for performance reasons I recommend using a sharpen filter (e.g. Nvidia Freestyle sharpen or AMD Radeon Image Sharpening) or the display sharpness control to make it less blurry.Turning HDR on severely washes out any SDR content. You can use Windows HD Color settings to compensate but I recommend just turning HDR on when you plan to use it.