AMD Ryzen 7 9800X3D review: a gaming dynamo with new, unexpected suprises

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AMD Ryzen 7 9800X3D review: a gaming dynamo with new, unexpected suprises

AMD Ryzen 7 9800X3D review: a gaming dynamo with new, unexpected suprises

AMD Ryzen 7 9800X3D: Two-minute review

This generation of processors has been a mixed bag at best (and disappointing at worst), so it makes sense that Team Red would go all out to ensure the AMD Ryzen 7 9800X3D delivered something that exceeded expectations.

In that regard, the 9800X3D is a smashing success, delivering substantially better gaming performance than the AMD Ryzen 7 7800X3D that it replaces, though at a slightly higher $479 / £449.99 (about AU$700) price point. For gamers though, most will happily pay a bit more for a roughly 15% increase in gaming performance on average.

The chip isn’t without faults, though. It isn’t the absolute best processor for gaming in terms of framerates (that title belongs to the Intel Core i9-14900K over several games, averaged out), but where the last-gen Intel flagship simply threw raw wattage to get to the top, AMD’s latest gaming processor uses substantially less power to come within 6% of the 14900K’s overall gaming performance, a difference that is so close to being within the margin of variance and test setups that if I reran all my tests next week, the 9800X3D might beat it outright.

But, honestly, it doesn’t need to do that. Intel’s 14900K is overkill for anyone not running creative workloads like video editing, and the power cost is simply too high to justify getting an extra 6% overall gaming performance in synthetic tests. The Ryzen 9800X3D, meanwhile, will get you effectively identical actual performance and at a lower cost, both in MSRP terms, but also reduced power consumption and indirect savings like not needing to shell out for a 360mm AIO cooler to get the most out of the chip.

For that, the Ryzen 7 9800X3D is indisputably the best processor for gaming you can buy right now, and it cements 3D V-Cache as the second most impressive innovation for gaming hardware after AI upscaling and it’s something that Intel just doesn’t have an answer for it.

AMD Ryzen 7 9800X3D: Price & availability

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(Image credit: Future / John Loeffler)

• How much is it? Its MSRP is $479 / £449.99 (about AU$700)
• When is it out? It went on sale November 7, 2024
• Where can you get it? You can get it in the US, UK, and Australia

The AMD Ryzen 7 9800X3D is available now in the US, UK, and Australia for $479 / £449.99 / AU$799, respectively.

This is a bump up from the price of the Ryzen 7 7800X3D it replaces, which launched at $449 / £439 / AU$779. I would have loved to see the price remain the same, of course, but the last-gen chip wasn’t exactly a cheap processor to begin with, and both chips are very much targeted at an enthusiast market where the price bump here isn’t exactly going to be a dealbreaker—so long as the performance increase justifies the bump in price.

In terms of Intel’s competing offerings right now, on the performance side, the Intel Core Ultra 9 285K (and Intel Core i9-14900K, for that matter) is $110 / £100 / AU$300 more expensive to get the same kind of gaming performance. As for in-class silicon, the 9800X3D is about 15-20% more expensive than the competing Intel Core Ultra 7 265K, and is roughly 33% more expensive than the AMD Ryzen 7 9700X.

Essentially, the 9800X3D is a specialist chip for gamers, and while it isn’t a performance slouch, at this price it’s really only for PC gamers who want the best overall gaming processor and don’t much care about stellar performance elsewhere. For those who need more than just a gaming chip, other options from AMD and Intel will be a better fit for the price.

AMD Ryzen 7 9800X3D: Specs

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AMD Ryzen 7 9800X3D vs AMD Ryzen 7 7800X3D

Row 0 – Cell 0	AMD Ryzen 7 9800X3D	AMD Ryzen 7 7800X3D
Price	$479 / £449.99 / AU$799	$449 / £439 / AU$779
Architecture	AMD Zen 5 (TSMC N4X)	AMD Zen 4 (TSMC N4)
Cores	8	8
Threads	16	16
Base clock	4.7GHz	4.2GHz
Boost clock	5.2GHz	5GHz
DDR5 memory support	5600MHz	5200MHz
L3 cache	96MB	96MB
TDP	120W	120W
Motherboard socket	AM5	AM5

AMD Ryzen 7 9800X3D: Features & chipset

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(Image credit: AMD)

The fundamental specs of the 9800X3D aren’t much different from the 7800X3D. They both sport the same 8-core/16-thread setup as the AMD Ryzen 7 9700X, but like the 7800X3D, the 9800X3D has an additional 64MB L3 cache while the Ryzen 7 9700X only has 32MB L3 cache.

This 3D V-Cache in the Ryzen 7 9800X3D has been redesigned from the previous two generations of AMD X3D chips. This second-generation 3D V-Cache, as AMD calls it, fundamentally changes how the 3D V-Cache die interfaces with the main processing die, which addresses some of the main complaints of the previous two generations of X3D chips.

In the first iteration of 3D V-Cache, the extra cache die was stacked on top of the main processing cores, but with 2nd-generation V-Cache, the extra cache die is underneath the main die, leaving the main processing cores free to directly interface with the CPU cooler.

This is a big deal, since the processing cores are where all the heat is being generated, so having an extra layer of silicon between it and the CPU cooler had a lot of implications for what the chip could do. Thermals had to be carefully managed, so clock speeds had to be kept in check and there was no ability to overclock the chip.

By moving the 3D V-Cache die underneath the main processor core complex, the thermal restraints around clock speeds and voltage no longer apply, so the 9800X3D is the first 3D V-cache chip to feature full overclocking support, allowing precise voltage controls at the same voltage limits as the rest of the Ryzen 9000-series lineup.

Compared to the AMD Ryzen 7 7800X3D, then, the 9800X3D benefits from noticeably faster base clock and boost clock speeds out of the box, and overclockers can now tinker with their CPUs without too much concern that they’ll brick the chip (though with overclocking, that is always possible and can void your warranty, so use caution).

Beyond that, the only major change from the previous generation is faster DDR5 memory support, from 5200MHz with the 7800X3D to 5600MHz with the 9800X3D, though both chips support AMD EXPO memory overclocking for even faster memory speeds.

AMD Ryzen 7 9800X3D: Performance

At the end of the day though, all that fancy new tech wouldn’t amount to much if the chip’s performance didn’t deliver, and thankfully, it does – though not universally.

In the synthetic benchmarks, the Ryzen 7 9800X3D showed very strong single-core performance on par with the rest of the Ryzen 9000-series lineup. The Ryzen 7 7800X3D, meanwhile, lags behind its Ryzen 7000 siblings noticeably, owing to the need to control thermals by limiting clock speeds. The Ryzen 9800X3D does not have this problem. Likewise, its multi-core performance is also unconstrained, running ahead of the Ryzen 7 9700X across the board.

On the creative front, this is generally not going to be a chip for creatives to concern themselves with – though there is one exception. If you’re a photographer or graphic designer who does a lot of work in Adobe Photoshop or its alternatives, the Ryzen 7 9800X3D’s extra cache is going to be a serious benefit for your workflows, beating out even the Intel Core i9-14900K in PugetBench for Adobe Photoshop be a few hundred points.

Everyone else though, this chip is not going to do much for you.

On the gaming side, this is where the 9800X3D really shows off, though there’s a bit of a caveat to that. In games where the main CPU bottleneck is game logic, such as Total War: Warhammer III or Civilization VI, the extra 3D V-Cache isn’t necessarily going to help your game performance. In that instance, you’re going to want something with the fastest clocks possible to plow through all those AI decision trees or physics calculations before a game frame is even drawn.

As such, Intel’s last-gen (and even current-gen) chips have an advantage in some games like Returnal (where complex bullet and geometry physics are the main CPU workload) or Total War: Warhammer III (where a lot of individual actors need to have their logic calculated quickly) because these gaming workloads benefit from faster clock speeds.

Where 3D V-Cache really benefits gaming is when there’s data being communicated from the CPU to the GPU, like texture files or model geometry, and that additional cache memory can retain these smaller-but-not-tiny files in the fastest possible memory that can hold it. This mitigates the latency introduced when drawing a new game frame when the CPU has to go back to RAM to fetch a file because it didn’t already have it in its much closer cache memory.

Games like F1 2023 and Tiny Tina’s Wonderland benefited mightily from the extra available cache. In the case of the former, the Ryzen 9800X3D just wallops the Intel Core i9-14900K, and in the case of the latter, runs a very close second to it.

Taken all together, the Intel Core has a slight advantage just given the mix of games I used to test these chips, but for most gamers, the odds are good that the thing you’re going to be looking for is a processor that works with your graphics card the best most of the time, and in this case, that’ll be the Ryzen 7 9800X3D.

Overall, then, with performance that comes in neck-and-neck with the best Intel processors in gaming workloads on average, the Ryzen 7 9800X3D would already be an incredible chip.

But I simply can’t get over the fact that the 9800X3D can do this with just 53% of the power of the Core i9-14900K. Add to that the Ryzen 7 9800X3D’s impressive single- and multi-core performance, surprisingly great Photoshop performance, and gen-on-gen performance gains at very little power or monetary cost, and the Ryzen 7 9800X3D is easily one of the best AMD processors ever made.

Should you buy the AMD Ryzen 7 9800X3D?

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(Image credit: Future / John Loeffler)

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AMD Ryzen 7 9800X3D scorecard

Value	While not the most expensive processor out there, it’s not cheap either, and I’m not thrilled about the price increase.	4 / 5
Features	The redesigned, 2nd-gen 3D V-Cache empowers higher clock frequencies and unlocks the ability to overclock the chip.	4 / 5
Performance	While not every game will benefit from 3D V-Cache, those that do will see noticeably better performance at higher quality settings and resolutions.	5 / 5
Final score	Between the better gaming performance, strong general performance, overclocking capacity, and other improvements over its predecessor, this is unquestionably the best processor release of the year.	4.34 / 5

Buy the AMD Ryzen 7 9800X3D if…

Don’t buy it if…

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• Originally reviewed November 2024

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