One of the best CPUs for gaming or productivity, AMD's Ryzen 9 5900X offers 12 cores and 24 threads of 7nm goodness, along with a boost clock of 4.8 GHz. This Zen 3 processor also supports PCIe 4.0 so you can use it with a blazing fast SSD. In our tests, the 5900X outpaced every other AMD chip in our CPU benchmarks hierarchy, even the more-expensive 5950X, in 1080p gaming.
The chip carries a list price of $549 and you can typically find it for around $524. However, right now, Amazon has it for an all-time low price of $479. That's the best Ryzen 9 5900X deal we've ever seen and one of the best holiday CPU deals this year.
Ryzen 9 5900X: was $569, now $479 at Amazon
The Ryzen 9 5900X is a multi-core monster with 12 Zen 3 cores, running at a 3.7 GHz base clock and 4.8-GHz boost clock. The chip tops our CPU benchmark hierarchy, outperforming all others at 1080p gaming.
The Ryzen 9 5900X has excellent power efficiency compared to its Intel counterparts, but unlike the lesser members of the Ryzen 5000 family, it doesn't come with a cooler in the box, but most users in this price range wouldn't use a stock cooler anyway. That's probably for the better, as you can use one of the best CPU coolers to right-size the cooler for your build and to keep temperatures in check either at default frequencies or when overclocking.
The Ryzen 9 5900X is a 12-core/24-thread processor with a base clock of 3.7 GHz and a boost frequency of 4.8 GHz. However, in our tests, we found that it could easily boost to 5 GHz with adequate cooling. In addition, it features 64MB of L3 cache and a thermal design power (TDP) of 105 watts. Pairing the processor with one of the best X570 motherboards is a sure-fire way to build a powerhouse gaming or productivity rig.
Best AMD Ryzen 9 5900X Deals
You can find even more savings at our best Cyber Monday PC gaming deals page. We're also tracking the best Cyber Monday monitor deals, best Cyber Monday CPU deals, best Cyber Monday SSD deals, best Cyber Monday gaming laptop deals, best Cyber Monday keyboard deals, best Cyber Monday gaming mouse deals and the best Cyber Monday PC hardware deals overall. Makers and hobbyists will find sales by checking out the best Cyber Monday 3D printer deals, best Cyber Monday Raspberry Pi deals and best Cyber Monday robot deals. If you're shopping for a graphics card, we even have advice on how to find the best RTX 3080 deals, best RTX 3070 deals and best RTX 3060 deals you can find in this challenging market.