The Digital Foundry verdict on PlayStation Portal with latency/lag and image quality tests.
PlayStation Portal review: impressive hardware but is Remote Play itself good enough?
PlayStation Portal Review: a Cool Handheld for PS5 Owners, but Its Features Are Limited
Sony PlayStation Portal Review!
PlayStation Portal Review: A PS5 in Your Hands, With Limits - CNET
PlayStation Portal Remote Player - PlayStation 5 : Video Games
PlayStation Portal review: impressive hardware but is Remote Play itself good enough?
The PlayStation Portal Just Isn't Good Enough - GameSpot
Review: PlayStation Portal is Marvelous Despite Flaws
Sony PlayStation Portal Remote Player for PS5 Console