Hang in their! Its hard work, but it gets better, I promise!
Jasper was feeding EVERY 2 hours, day and night! its an absolutely awful way to start motherhood, but it gets better. Jasper is now 9 weeks old and he's stretching out his feeds now, to between 3-4 hours, every couple of days he'll have a 5 hour night sleep (which is heaven!)
Hang in there! Also, and this is just my opinion, dont give up on the breast feeding just yet, if you can help it. If you want to choose to FF go for it, but if its a matter of giving up on the breast, just hang in there a little longer if you can, it'll be worth it in the long run.
How I survived the frequent feeding was we started co-sleeping, I basically dont get out of bed in the night, in fact, I barely even have to wake up to put him on the boob and fall back to sleep as soon as he's latched... you certainly dont have that freedom with FF!
Maybe to take the pressure off, try expressing milk and have your OH give LO a bottle in the evenings, so you can go to sleep ad get an extra couple of hours uninterupted.
Good luck!