Peter Jackson

Both will look identical in motion but the Turbine looks marginally better due to a higher bitrate allocation by each cut being given its own disc, whereas Arrow had FiM seamlessly branch the two onto one. However, Arrow has both cuts in Open Matte (on Blu-Ray) and corrected the opening Universal logo's aspect ratio. https://slow.pics/c/McvVcYDG

Caveat: mostly great video but the 4K Blu-rays have had additional DNR applied in some scenes on top of the DNR that had been applied in post-production and was already present on the DVDs & Blu-rays

The 2020 Blu-ray (the one without the green tint) may be better than the 4K Blu-ray?

New Line Blu-ray have the original 6.1 mixes

4K Blu-ray set is missing extras from the old Blu-ray/DVD releases

The 2011 Blu-ray notoriously had a green tint, the 2020 one removes it.

Caveat: mostly great video but the 4K Blu-rays have had additional DNR applied in some scenes on top of the DNR that had been applied in post-production and was already present on the DVDs & Blu-rays

The 2020 Blu-ray may be better than the 4K Blu-ray?

New Line Blu-ray have the original 6.1 mixes

4K Blu-ray set is missing extras from the old Blu-ray/DVD releases

4K Blu-ray caveat: mostly great video but the 4K Blu-rays have had additional DNR applied in some scenes on top of the DNR that had been applied in post-production and was already present on the DVDs & Blu-rays

The 2020 Blu-ray may be better than the 4K Blu-ray?

New Line Blu-ray have the original 6.1 mixes

4K Blu-ray set is missing extras from the old Blu-ray/DVD releases

WB 4K Blu-ray is significant upgrades compared to the BDs, but has noticeable artificial sharpening

WB 4K Blu-ray is significant upgrades compared to the BDs, but has noticeable artificial sharpening

WB 4K Blu-ray is significant upgrades compared to the BDs, but has noticeable artificial sharpening