Intel disabled TSX on all Haswell and some early Broadwell parts (not just i3 processors!) because it was irreparably broken:<p><a href="http:&#x2F;&#x2F;techreport.com&#x2F;news&#x2F;26911&#x2F;errata-prompts-intel-to-disable-tsx-in-haswell-early-broadwell-cpus" rel="nofollow">http:&#x2F;&#x2F;techreport.com&#x2F;news&#x2F;26911&#x2F;errata-prompts-intel-to-dis...</a><p>Really can&#x27;t blame them for that one. Disabling a feature that causes frequent CPU lockups when used is a good thing.