Phoronix published a review on the Ubuntu 14.04 LTS 32-bit vs. 64-bit Performance
A quote from the article:
For those curious about the performance advantages of using 64-bit Ubuntu Linux over 32-bit Ubuntu on a modern Intel laptop, here are 32-bit vs. 64-bit benchmarks of Ubuntu 14.04 LTS on the ASUS Zenbook Prime.Ubuntu 14.04 LTS 32-bit vs. 64-bit Performance @ Phoronix
