Exophase (exophase.delete@this.gmail.com) on May 15, 2013 6:43 am wrote:
> RichardC (tich.delete@this.pobox.com) on May 15, 2013 3:26 am wrote:
> > The conclusion at that link "Hyperthreading neither helps nor hurts when gaming".
> > It wins a few, it loses a few.
>
> The idea isn't to take an average over several games from several years, but to show that there are
> games that do in fact benefit even from HT at 4C (I guarantee that the effect would be far more pronounced
> at 2C). Or by using a processor at stock clock speed instead of overclocked to 4.4GHz.
>
> The conclusion is that newer games tend to benefit more. Even where HT hurts older games it tends to
> be mostly in maximum framerate, having little impact on average and even positive impact on minimum,
> which would tend to be what you'd prefer. Since older games usually have lower minimum requirements
> to begin with their performance deltas should matter less even if that's what you prefer to play.

Or, may be, on newer engines less time was spent so far optimizing inner loops. So more performance is left on table. Part of what left could be picked up by SMT, but only part.
Other explanations are possible as well.