AMD Ryzen 7 3700X Ryzen 9 3900X X470 vs X570 Review

Ryzen 9 3900X

AMD Ryzen 7 3700X and Ryzen 9 3900X Review

Ryzen 9 3900X

The first of our two CPUs up for review today is the one that will bring the most attention and probably shows the clearest example of the AMD methodology. With 12 Cores (!) and 24 threads on a desktop CPU, but not requiring the behind the scenes fettling in software to give good gaming performance we saw from the Threadripper processors, it certainly grabs your attention straight away. Once you include a considerable boost clock speed of 4.6 GHz, and that's 4.6 GHz across all twelve cores, not some show-pony 1 core effort, there should be ample performance for the needs of almost everyone.

AMD Ryzen 7 3700X and Ryzen 9 3900X Specs  
AMD Ryzen 7 3700X and Ryzen 9 3900X Efficiency  

One area AMD have been a little weak in recent times is the power efficiency of their hardware. Generally it's been a rule that for the same performance they require a bit more power than the competition. If you've already read our Radeon Navi RX 5700 review you'll know how they have most definitely solved that with the introduction of the 7nm process and if the graph below is to be believed then that state of affairs is also true of their 3rd Generation Ryzen processors. We'll find out soon enough.

AMD Ryzen 7 3700X and Ryzen 9 3900X Power Requirements  

We don't think it's a particular shock that if you throw more cores and threads at a creation problem then, all things being equal, you'll get a faster result. The Ryzen 9 3900X has more cores and threads than the Core i9-9900K and yet at a similar clock speed, so naturally it should be better at these creation tasks. It might be something you believe doesn't affect you, but with the rise of streaming and creating videos for Youtube even the average person does more encoding and decoding than they might think, so any benefit is going to lead to a smoother daily use experience.

AMD Ryzen 7 3700X and Ryzen 9 3900X Creation Boost  

We've spoken about how AMD don't pretend their hardware can do anything more than it can, and with the 3rd Generation of Ryzen they are open and honest about how they match Intel. They don't better it. Sometimes they are ahead, sometimes behind, but generally in the race. Given how one of the weak spots of Ryzen has been the relative gaming abilities when compared to Intel it's hopeful that this rough patch has been smoothed out.

AMD Ryzen 7 3700X and Ryzen 9 3900X Gaming Performance  

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Most Recent Comments

07-07-2019, 13:17:05

Sick. The 3900x performance metrics are mind boggling.

Seriously, that's an irresponsible amount of multi core performance.

Rock on. Thanks for the hard work guys. I know what my next CPU is going to be Quote

07-07-2019, 14:00:05

Fantastic performance and it's brilliant to see the 3900X is literally nipping at the heels of the 9900K in gaming, I don't need 16 cores of the 3950X coming in September but the 12 core model is calling my name and I'm doubly happy as the performance difference is negligible between X470/570, Ace review Tom, Appreciate the hard work !


07-07-2019, 14:03:01

Yeah for sure I think the star of the show is the 3900x. Not to do disservice to the rest but man, what a beast. Over 7000cb. Wow. J.Ju....Just mad.Quote

07-07-2019, 15:13:58

Thanks so much for all the effort. It's been great going through all the reviews.

I think I might skip X570 and just get an X470 motherboard.Quote

07-07-2019, 16:09:54

nice job Tom, seems that the x570 is not needed unless you really want pci e 4Quote

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