The site is much smaller. Only has one stage. Worked well as a gig venue though - went to Boygenius this year and easy to reach from the tube (although exiting the site was painfully slow). Was sold out but didn't feel crushed.
Reds, Pinks and Purples would fit well at Wide Awake. They have a London show a few weeks later which sold out really quickly. I can see them doing Wide Awake and Primavera before their own European tour.
finishes at 11pm according to this: https://earthackney.co.uk/events/pitchfork-festival-london-porridge-radio-sorry-more-11th-nov-the-shacklewell-arms-london-the-victoria-london-earth-london-various-venues-london-london-st-matthias-church-london-tickets-og5k5/