Used to accept a fact about the other option before shifting the argument back to your own preference.
“While it's true that the other laptop is lighter, this one has much better battery life.”
“While it's true that the downtown gym is closer, the one near home has better equipment.”
Similar to other concession phrases, this one is great for Task 5's persuasive structure — acknowledge, then pivot. Use it to fairly represent the other option's strength, which makes the examiner see you understood both sides before making your final case.
Synonyms: it's true that, granted that, admittedly