The AMD Zen 5 architecture is finally out in the wild, and with it comes a whole range of new processors for DIY builders to contemplate when looking to piece together a new machine. The headline figure from Zen 5 is a 16% boost to IPC (Instructions per Clock) along with improved power efficiency. The key takeaway here is a drop in the operating Thermal Design power (TDP) while still offering slightly improved performance compared to the previous generation. This is why the likes of the Ryzen 5 9600X compares well to the Ryzen 5 7600X and the Ryzen 7 9700X is worth considering over the slightly older chip.
As is often the case though, the narrative is a little more complicated at the top of the processor stack. For instance, the new Ryzen 9 9950X has a nominally lower base operating frequency than the Ryzen 9 7950X, matching it at the same Boost Clock of up to 5.7GHz, but unlike the other members of the Zen 5 family, it doesn't come with a significant drop in the TDP to make it the obvious choice.
We're getting ahead of ourselves a little here though, so it's worth stopping for a second to take a look at the vital specs for the Zen 5-powered Ryzen 9 9950X and the older Zen 4-driven Ryzen 9 7950X. Be warned, the differences are pretty subtle:
Ryzen 9 9950X | Ryzen 9 7950X | |
Architecture | Zen 5 | Zen 4 |
Cores | 16 | 16 |
Threads | 32 | 32 |
Base Clock | 4.3 GHz | 4.5 GHz |
Turbo Clock | 5.7 GHz | 5.7 GHz |
L1-Cache | 1,280 KB | 1,024 KB |
L2-Cache | 16 MB | 16 MB |
L3-Cache | 64 MB | 64 MB |
TDP | 170W | 170W |
Supporting Chipsets | A620 , X670E , X670 , B650E , B650 , X870E , X870 |
A quick look at the specifications comparison table above reveals that the new Ryzen 9 9950X has a bit more L1-Cache compared to its predecessor, at 1,280KB versus 1,024KB, and as previously mentioned, a lower Base Clock at 4.3GHz as opposed to 4.5GHz. Beyond those two differences, and obviously the underlying architecture, these two chips are seemingly identical. Without a notable drop in the TDP, we're certainly not looking at the efficiency home run that the other members in this family offer.
It's worth noting though, that the improved efficiency of Zen 5 will give it the generational edge as it will be able to maintain the Boost clocks longer than its predecessor. Given this is a top-end offering, that's going to mean that you'll have access to the performance when you need it most. Essentially, the Ryzen 9 9950X should outperform the outgoing Ryzen 9 7950X at serious number crunching due to its improved efficiency even though the TDP is the same.
You will want to ensure that your Ryzen 9 9950X is adequately cooled, but as AMD has stuck with the AM5 platform here, that means there are a wealth of quality air and liquid coolers to choose from.
One noticeable difference between these processors is on the price front:
Those are the prices listed on the official AMD webstore, but a little searching around on the likes of Newegg and Amazon will reveal better deals on the older chip. At the time of writing, Newegg has the Ryzen 9 7950X for $519.99, while Amazon has it for a fraction more at $522.96.
The launch price of the Ryzen 9 9950X at $649 isn't too hard to swallow given the landscape, especially as that's what the Ryzen 9 7950X launched at a couple of years ago. For the same money you're basically getting a more efficient, more up-to-date processor. Neither chip is exactly what you'd call cheap though, and if you're looking for top of the range performance, then the Ryzen 9 9950X is probably the way to go... well, with one caveat.
The Ryzen 9 7950X was something of a powerhouse at launch, and for the most part the Ryzen 9 9950X is just an updated version of that chip. It's the most powerful processor in the AMD Zen 5 lineup, with more cores and threads than any other chip in this modern family, and it has the fastest clocks as well. If you want the best right now, that's the chip to get.
The problem is, the Ryzen 9000 X3D, or 3D V-Cache, processors are also on the way. As ever, they promise a serious performance uplift in plenty of applications - especially gaming. AMD hasn't given an official release date for the likes of the 16-core Ryzen 9 9950X3D, 12-core Ryzen 9 9900X3D, or 8-core Ryzen 7 9800X3D yet, but they're expected before the end of the year. If you're on the hunt for serious performance, then they could be the chips to wait for, gamers in particular.
If you don't want to wait to see what they offer, or you can't because you need a high-end machine today, then the Ryzen 9 9950X is certainly worth considering.
Just remember that none of these new chips comes with a cooler, so make sure you grab an Air Cooler or an All-in-One to keep it running optimally. Such coolers, along with our awarding-winning range of cases, components, and other peripherals, can all be found on the main CORSAIR webstore.
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