AMD’s Zen 5 is here! AMD launched its next-generation Ryzen 9000 series of desktop PC processors on Monday morning local time at Computex, kicking off the next round of processor competition between AMD, Intel, and (now) Qualcomm. If you recall our Ryzen 7950X review, you’ll remember that that chip was accompanied by three others. That’s still the case: AMD launched the flagship Ryzen 9 9950X, plus the Ryzen 9 9900X, the Ryzen 7 9700X, and the Ryzen 5 9600X as well. This is AMD’s “Granite Ridge” architecture, supported by new X870 motherboards. There’s a treat for existing customers, too: AMD …