i7-4790K (4.6GHz) Vs. i5-9400F | 28 Games Benchmarks - YouTube
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Intel Core i5 9400F has two versions and neither has TIM welding - HardwarEsfera
Intel Core i7-4790K Devil's Canyon 4.0GHz 5.0GT/s 8MB Socket LGA 1150 – Mega Micro Devices Inc.
i7 2600 (Xeon E3 1270) vs i7 4790k vs i5 9400f vs i3 10100f in 15 Games | i7 2600 (Xeon E3 1270) vs i7 4790k vs i5 9400f vs i3 10100f