Zelda: Breath of the Wild Runs Better in Handheld Mode

The Legend of Zelda: Breath of the Wild reportedly runs better when played on the Nintendo Switch tablet than while docked.
Digital Foundry has discovered that Breath of the Wild doesn't suffer similar frame stutter issues in handheld mode than are seen while playing on the TV. It's something we even pointed out in IGN's review of the new Legend of Zelda as well.
The possible reason? The theory revolves around the resolution differences between the two Nintendo Switch modes. Breath of the W