Google program manager vs Nvidia Senior Program Manager (L5)

NVIDIA Offer: B: 270k Rsu: 400k/4yrs Joining Bonus: none Yoe: 6 years 1) Is the offer good to be considered? (From HR - these are the final numbers)? 2)Bit on the edge leaving Google. Is it a risky jump? 3) Google has a great WLB. How is it at Nvidia?Working culture at nvidia? 4)Any additional info from the community around this? Many thanks in advance.