ios 6.1 beta 4 performance on ipad 3

[FatPuppy]

How is the speed of ios 6.1 beta 4 on ipad 3? and what are the downsides ?

 

[Defender2010]

Same, none (only that it is a beta- but not too many bugs visible)

 

[spyguy10709]

How is the speed of ios 6.1 beta 4 on ipad 3? and what are the downsides ?

It's a beta. Don't install it if you're not a developer. Seriously. They have betas for a reason - they're not ready for public consumption, they're for developers to get their apps ready for the new software.