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I've done a little testing of it, and there is one catch - it still can't do 4k@120Hz 4:4:4. It does 4k@60Hz 4:4:4, but when I ran it at 120Hz Chroma subsampling was definitely enabled. It still looked great and I would never have noticed without a test image (and even then, the pathological case text was still very much readable, just not totally sharp), but it does mean the only way to avoid chroma subsampling at the full refresh rate is to use DisplayPort (and that requires DSC to achieve the full 144Hz). At some point I would like to try and figure out at what refresh rate precisely the chroma subsampling is enabled, but I've yet to spend time on that. While not mandatory for DisplayHDR 400 certification, the M28U also has localized dimming. However, there are only 8 zones that dim parts of the screen that needs to be dark. So, you’ll only see benefits from it when dark and bright objects are far apart.
This also means that if you’re using VRR (variable refresh rate) technology, such as FreeSync, and you’re getting around 60FPS (and therefore 60Hz), some overshoot will be noticeable too.
Because BIOS flashing is potentially risky, if you do not encounter problems using the current version of BIOS, it is recommended that you not flash the BIOS. To flash the BIOS, do it with caution. Inadequate BIOS flashing may result in system malfunction. With a peak brightness of 300-nits, the Gigabyte M28U can get more than bright enough under normal lighting conditions, while the static contrast ratio amounts to around 1,000:1, as expected from IPS panels. There are five response time overdrive modes: Off, Smart OD, Picture Quality, Balance, and Speed. All five modes are rather aggressive as they can cause some overshoot, so we recommend using the ‘Off’ mode for the best results. PCコンポーネントの最高のパフォーマンスを引き出してくれるのです。 GIGABYTEのゲーミングディスプレイは、究極のスペックと品質を提供します。皆さんは贅沢を必要とせずに最高のパフォーマンスを楽しむことができます。
There are also advanced image adjustment tools available, including sharpness, gamma, color hue/saturation and color vibrance.The colors are rich and consistent; the gamut is equivalent to ~120% sRGB, so you get some over-saturation for added vibrancy when viewing regular sRGB content.
FreeSync and HDMI 2.1 VRR are supported up to 144Hz (48-144Hz range) for tear-free gameplay. While the monitor is not certified as G-SYNC Compatible by NVIDIA, you can use VRR with compatible GeForce cards without issues.The entire materials provided herein are for reference only. GIGABYTE reserves the right to modify or revise the content at anytime without prior notice. As an unseen player, monitor is often being underestimated. The truth is monitors form as a synergistic effect and bring out the best performance of PC components. GIGABYTE gaming monitors offer the ultimate specifications and quality, users can truly enjoy upscale performance without the need for extravagance. It does have AMD’s FreeSync Premium Pro certification, so compatible games will get better HDR tone and gamut mapping.
Seems they could be roughly the same pricing with TUF coming in at 32", which is more suited for 4KThe stand of the monitor is sturdy and offers height adjustment up to 130mm, tilt by -5°/20° and 100x100mm VESA mount compatibility. In short, you’re not getting the true HDR viewing experience (as expected from a 4K 144Hz monitor at this price range), but some scenes will look a bit better thanks to the display’s wide color gamut, a small boost in brightness, and at least some form of local dimming. There was one thing that surprised me though - the spec sheet for this monitor (and online listings) do advertise it as having KVM functionality, and as such it has a USB Type C port. However, its listed signal input support is listed as being 1xDP1.4 with DSC and 2xHDMI2.1 (and a note for anyone buying, there are big asterisks around "HDMI 2.1" - it doesn't actually support 4K@144Hz 4:4:4; while I haven't tested myself, it will apparently have chroma subsampling over the HDMI ports!).
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