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Does Hyperthreadind matter in Gaming?

Mostly no since 4 cores is already enough. Most games are not optimized to use more. I guess if you get an i3 that has 2 cores HT would help the few games that can use 4 cores.
 
from everything I've seen so far, you don't get any sort of advantage from having HT enabled.

drescherjm made a good point about an i3 though, that's probably the only case where I can see it being useful in current gen games
 
It really depends on how the game is programmed, how it is threaded, and how well the game's tasks can be/are parallelized.

It also depends on whether or not using HT is going to cause cache misses or not. This is probably the biggest factor all things considered.
 
Today or tomorrow? It's not a big help today, but it will make it's way into gaming within a couple of years.
 
I've read it actually hurts performance in games, but the performance difference is so negligible that its better to leave it on since it helps for regular usage.
 
It can hurt if the scheduler inefficiently handles what threads go on the logical cores or it keeps switching what cores get what threads. Basically if you use windows XP you will see this problem more than if you use Windows 7 which is aware of the logical and physical threads.
 
From my casual observation of benchmarks, Inotocracy is right, hyperthreading hurts gaming performance, even just a little. I've always considered it a worthless Intel feature because games are the only place where CPU speed is critical to me. Even in the best non-gaming cases, hyperthreading is far from the performance that another real core would provide.
 
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