Manual AMD CPU overclocking barely exists at all, though features like PBO provide most of the benefits AMD chips are capable of. That’s a 1.39x cost increase for what ought to be a ~1.3x performance improvement in multi-threaded code, and that’s as close to a linear tradeoff as exists these days. If you want guaranteed multi-threading over hypothetical OC-dependent gains, the Core i7-10700F is about $303 compared with ~$218 for the Core i5-10600. If you want to take a shot at overclocking, we’d recommend the Core i5-10600KF over the K, since dropping the integrated graphics should pull the price down to around $240 as opposed to ~$265. Customers who opt for the unlocked variant are paying about 1.22x more for a chance at 5-15 percent improved performance. Intel’s Core i5-10600 and Core i5-10600K perform nearly identically, despite the fact that the Core i5-10600 has a much lower base clock and is rated at 65W instead of the 125W TDP on the 10600K. Lower TDPs and lower base clocks don’t necessarily impact the performance of Intel CPUs at all, as we’ve seen. Chips like the Core i5-10600K might be able to offer a 5-15 percent improvement over standard, but here’s the caveat:
It may be possible to squeeze additional performance out of the Threadripper 3970X and 3990X - the 3990X can benefit, at least - but reviews of the 5600X and 3300X suggest both chips only pick up 3-5 percent additional performance when you overclock them. A 1.05 – 1.15x clock gain is good by modern standards and barely worth mentioning by historical ones. OC headroom started coming down with Ivy Bridge, and it’s not coming back unless we make some fundamental breakthroughs in transistor design that have thus far eluded us. Chips like the Athlon 1GHz, Duron 600, and Celeron 300A were all historically capable of overclocking by 1.4 – 1.6x. My own media center PC used to be built around an Intel Core i7-920, a 2.66GHz CPU I’d overclocked to 3.9GHz, a gain of 1.46x. Intel comes off looking better by comparison, but only because it’s been so long since an overclocking-friendly CPU actually existed.
AMD’s midrange chips don’t compare as well here the 5600X only appears to gain 5-7 percent on average. The Core i5-10600K is capable of picking up 5-15 percent in some benchmarks, with the higher figure more likely if you can hit an all-core 5-5.1GHz.
Mainstream CPUs sometimes offer a little more oomph, at least if you like Intel CPUs. Applications like the Intel eXtreme Tuning Utility will still be available.
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