The HDR brightness is adequate. It gets bright enough to make really small highlights pop, but it can’t sustain this brightness with larger highlights, so they don’t stand out as much. It follows the PQ EOTF curve well until there’s a gradual roll-off before a sharp cut-off at the peak brightness, so it lets highlights get the brightest they can. These results are with the following settings:

• Picture: HDR
• Static Control: Off
• APL Stabilize: High
• Sub-Logo Dim: Off
• Corner Dim: Off

Setting APL Stabilize to ‘High’ has different effects on the image depending on what Picture mode you choose. In ‘HDR’ only the highlights are brightened. In ‘HDR Game’ dark scenes are over-brightened, which may help you see shadow details in games more easily, but it’s not as accurate as the recommended ‘HDR’ Picture mode, and highlights don’t get as bright. ‘HDR Movie’ has a far more gradual roll-off, so highlights don’t get nearly as bright as the recommended ‘HDR’ Picture mode. However, you may prefer this mode if you’re connecting a device that doesn’t allow you to configure HDR brightness. You can see how changing APL Stabilize to ‘Middle’ in the ‘HDR’ Picture mode changes the brightness below:

You can also see how Real Scene brightness is affected by changing Picture and APL Stabilize settings: