It is not real 4K in any material way due to having a final master at 2K. Studios have upscaled the 2K image to 4K and retouched the content for your 4K UHD TV. You should see some visual improvement over a standard 1080p Blu-ray. Check the information below to see if the studios have upgraded the video with HDR or added immersive Dolby Atmos or DTS:X audio tracks.
Shot in 3.4K (one scene 6.5K)
VFX Rendered: Unknown (Likely 2K)
Digital Intermediate at 2K
Deep water Horizon Ultra HD
A story set on the offshore drilling rig Deepwater Horizon, which exploded during April 2010 and created the worst oil spill in U.S. history.