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Oct 28 '17 at 3:32 comment added timuzhti Note that both CPUs feature the AVX 2 ISE. If an even higher performance is desired, the i5 7640X is a Kaby Lake-X CPU with a average overclock 400 MHz higher. AMD's Ryzen CPUs are still currently less competitive in terms of single thread performance, though I will update again for future architectures, as soon as I remeber.
Oct 28 '17 at 3:24 comment added timuzhti Belated Update for Kaby and Coffee Lake: As of Q4'17, with the release of the second unlocked i3 processor, there is really no reason to look further. The i3 7350K currently retails at around U$ 147 at Amazon, while the 8350K is around $50 more expensive. Both have average overclocks of around 4.9 GHz (1)(2), though because the 8350K has 4 physical cores instead of hyperthreading, it may prove more suitable for any multithreaded workload.
Oct 10 '16 at 5:34 comment added Peter Cordes If you don't plan to overclock, Skylake i3-6100 at 3.7GHz (with 3MB of L3 cache) should be a solid chip for sustained single-threaded performance at nearly half the price of an i5-6600k. No turbo, but the base 3.7GHz is close to the max turbo on a stock i5-6600k. (See the desktop CPU table on en.wikipedia.org/wiki/Skylake_(microarchitecture))
Oct 10 '16 at 5:33 comment added Peter Cordes Even Skylake Pentium and Celeron CPUs don't support AVX, only SSE4.1. Depending on what single-threaded workload you're running, you can be losing out on performance if the program can't use its AVX / AVX2 code.
Nov 9 '15 at 12:41 history edited timuzhti CC BY-SA 3.0
fixed grammar
Oct 5 '15 at 1:57 comment added timuzhti @SF. Software tips: If you didn't already know, you can do that by setting processes priority to Realtime. Be careful though, as if it's a dual core, continuous, process, this can lead to unresponsiveness. that can be fixed by using High instead, or setting affinity to one core only. Some times one core can give a marginally better overclock than the others. Never use the BIOS autotune for a 24/7 OC, they tend to push the voltage too high, reducing chip lifetime.
Oct 4 '15 at 11:56 comment added SF. the G3258 seems pretty great. Dual core is helpful for shuffling all but The One Thread to the other core - more cores are not helpful really, and the price is great. The savings can easily be spent on better cooling.
Oct 4 '15 at 9:22 history answered timuzhti CC BY-SA 3.0